Abstract: Complexes of a selected class of chiral ligands with molybdenum, tungsten or chromium, preferably molybdenum, are effective as catalysts in highly enantioselective and regioselective alkylation of allylic substrates.

Abstract: Propanolamine derivatives represented by the following formula (I): These derivatives may be &bgr;3 agonists and exert sympathomimetic, anti-ulcerous, anti-pancreatitis, lipolytic and anti-urinary incontinence and anti-pollakiuria activities. Pharmaceutical compositions containing such propanolamine derivatives, methods for the prevention and/or treatment diseases using these propanolamine derivatives, and processes for their preparation are also described.

Abstract: Compounds having Formulas 5 and 6 wherein the symbols have the meaning defined in the specification are inhibitors of the cytochrome P450RAI (retinoic acid inducible) enzyme, and are used for treating diseases responsive to treatment by retinoids.

Abstract: New compounds containing bicyclic fused rings, one of which being a phenyl moiety connected by an aliphatic chain to a cycloalkyl or aryl moiety, and pharmaceutically active salts thereof are useful as RAR selective retinoid agonists. Furthermore, such retinoic acid receptor agonists, particularly retinoic acid receptor &ggr; (RAR&ggr;) selective agonists, are useful for the treatment of emphysema and associated pulmonary diseases, as well as for the therapy and prophylaxis of dermatological disorders, for the therapy and prophylaxis of malignant and premalignant epithelial lesions, tumors and precancerous changes of the mucous membrane in the mouth, tongue, larynx, esophagus, bladder, cervix and colon.

Abstract: The invention relates to novel biaromatic compounds having general formula I and their use in pharmaceutical compositions for use in human and veterinary medicine, in particular for treating dermatological, rheumatic, respiratory, cardiovascular, and ophthalmological disorders, and for use in cosmetic compositions.

Abstract: Sulfonamide derivatives, their physiologically tolerable salts and their prodrugs according to the present invention are vitronectin receptor antagonists and inhibitors of cell adhesion, as well as inhibit bone resorption by osteoclasts. These derivatives, salts and prodrugs are pharmaceutically active compounds useful in the therapy and prophylaxis of diseases which are caused at least partially by an undesired extent of bone resorption, for example of osteoporosis. Processes for the preparation of the sulfonamide derivatives according to the present invention, the use of these derivatives as pharmaceutically active ingredients, and pharmaceutical preparations comprising these derivatives also are disclosed.

Abstract: The present invention describes novel nitrosated and/or nitrosylated nonsteroidal antiinflammatory compounds, and novel compositions comprising at least one nitrosated and/or nitrosylated nonsteroidal antiinflammatory compound, and, optionally, at least one compound that donates, transfers or releases nitric oxide, elevates endogenous levels of endothelium-derived relaxing factor, stimulates endogenous synthesis of nitric oxide or is a substrate for nitric oxide synthase. The present invention also provides methods for treating, preventing and/or reducing inflammation, pain, and fever; decreasing or reversing the gastrointestinal, renal and other toxicities resulting from the use of nonsteroidal antiinflammatory drugs; treating and/or preventing gastrointestinal disorders; treating inflammatory disease states and disorders; and treating and/or preventing ophthalmic diseases or disorders.

Abstract: The present invention relates to chromotropic nitrone spin trapping agents, methods of making these agents, compositions comprising same, and methods of their use. In particular, azulenyl nitrones of the present invention are effective agents for trapping free radical species and find use as efficient antioxidants in physicochemical and biological systems. Accordingly, the invention also relates to spin adducts formed from the combination of azulenyl nitrones with free radicals. The compounds of the present invention are readily prepared from available starting materials and find further use in assays and in a number of diagnostic, prophylactic and therapeutic applications, including but not limited to the alleviation, modulation and inhibition of the negative effects of carbon-centered or oxygen-centered radical species and other products of oxidation. Moreover, the combination adducts may be colorimetrically detected and, optionally, isolated and characterized to obtain valuable information (e.g.

Abstract: Compounds of the formula wherein the substituents are as defined in the application and their pharmaceutically acceptable acid and base salts thereof which are useful for preventing loss of bone matrix.

Abstract: Peptidomimetic isoprenyl transferase inhibitors R6SCHR1′CHR1WCHR2YC(:X)NR3CHR5COR4 wherein R1=OH, H, alkyl, amino group or R1 and R6 together form a heterocyclic ring; R1′=H, alkyl, aryl; R2=H, alkyl, arylalkyl, heteroarylalkyl; R3=H, alkyl, arylalkyl; R4=OH, alkoxy, amino group; R5=natural amino acid residue or D—E—F, where D is alkyl or alkenyl, E is O, S, N, or null, F is H, alkyl, aryl, carboxy amino, etc.; R6=H, alkyl, acyl, etc.; W=alkyl, alkenyl; X=O, S, Y is M—O—P, where M is C0-6 alkyl, O is oxygen-C0-4 alkyl, P is(un)substituted C6-20 aryl are disclosed.

Abstract: An alkyl 3-oxoalkanoate, a process for preparation and use for the synthesis of fatty hydroxylated amino acids, fatty amino alcohols and ceramides.

Abstract: The naphthyloxyacetic acid derivatives of the formula (I) 1

Abstract: Bi-aromatic compounds linked via a heteroethynylene radical are provided along with pharmaceutical and cosmetic compositions containing these compounds and methods for their use.

Abstract: Described herein are compounds having the general formula: ##STR1## wherein: Ar.sup.1 and Ar.sup.2 are independently selected aryl groups, optionally substituted with substituents selected from the group consisting of alkyl, cycloalkyl, alkoxy, alkanoyl, aralkyl, aralkyloxy, halo, NO.sub.2, Ph, CF.sub.3, CN, OH, methylenedioxy, ethylenedioxy, SO.sub.2 NRR', NRR', CO.sub.2 R (where R and R' are independently selected from the group consisting of H and alkyl) and a second aryl group, which may be substituted as above;wherein any cycloalkyl or aryl substituent is linked to Ar.sup.1 or Ar.sup.2 by a bridging element which may be a single bond, a vinylene group, an ethynylene group, a Z group, a --Z--(CH.sub.2).sub.n -- group, a --(CH.sub.2).sub.n --Z-- group, or a --Z--(CH.sub.2).sub.n --Z-- group, where Z represents an O atom, a S atom, an NH group or an N-alkyl group, and n is an integer from 1 to 4;wherein Ar.sup.1 and Ar.sup.

Abstract: This invention relates to compositions for and methods of treating, preventing or ameliorating cancer and other proliferative diseases as well as methods of inducing wound healing, treating cutaneous ulcers, treating gastrointestinal disorders, treating blood disorders such as anemias, immunomodulation, enhancing recombinant gene expression, treating insulin-dependent patients, treating cystic fibrosis patients, inhibiting telomerase activity, treating virus-associated tumors, especially EBV-associated tumors, modulating gene expression and particularly augmenting expression of a tumor suppressor gene, inducing tolerance to an antigen and treating, ameliorating or preventing protozoan infection. The methods of the invention use metabolically stabilized oxyalkylene esters.

Abstract: Compounds of the formula ##STR1## where the symbols have the meaning described in the application, have retinoid-like or retinoid antagonist-like biological activity.

Abstract: The naphthyloxyacetic acid derivatives of the formula (I) ##STR1## wherein A is H, --(alkylene)COOR.sup.1, --(alkylene)CONR.sup.2 R.sup., --(alkylene)OH, --(alkylene)tetrazole, --(alkylene)CN; E is single bond or alkylene; G is --S--, --SO--, --SO.sub.2 --, --O-- or --NR.sup.4 --; L is alkylene, --(CH.sub.2).sub.m --CH=CH--(CH.sub.2).sub.n -- or --(CH.sub.2).sub.x --CH(OH)--(CH.sub.2).sub.y --; M is phenyl, phenyl(thio, oxy, amino), diphenylmethyl, diphenylmethyl(thio, oxy, amino), and pharmaceutical composition comprising them as an active ingradient. The compounds of the formula (I) can combine PGE.sub.2 receptor and exhibit the activity to antagonize or agonize for PGE.sub.2 receptor. Therefore, they are useful as anti-hyperlipemia, for the prevention of abortion, for analgesics, as antidiarrheals, sleep inducer, diuretic, anti-diabetes, abortient, cathartics, antiulcer, anti-gastritis or antihypertensive etc.

Abstract: Compounds of the formula ##STR1## the symbols have the meaning described in the specification.

Abstract: A class of substituted phenoxy naphthalene compounds of the structure: ##STR1## where n is 2 or 3; R.sup.1 is hydrogen, hydroxy, C.sub.1 -C.sub.4 alkoxy, phenoxycarbonyl, C.sub.1 -C.sub.6 alkoxycarbonyl, or C.sub.2 -C.sub.6 alkoxy-sulfonyl; R.sup.2 is is hydrogen, hydroxy, C.sub.1 -C.sub.4 alkoxy, phenoxycarbonyl, C.sub.1 -C.sub.6 alkoxycarbonyl, or C.sub.2 -C.sub.6 alkoxy-sulfonyl, or halo; and R.sup.3 is 1-piperidinyl, 1-pyrollidinyl, methyl-1-pyrrolidinyl, dimethyl-1-pyrrolidinyl, 4-morpholino, dimethylamino, diethylamino, diisopropylamino, or 1-hexamethyleneimino; are useful in the treatment of pathological conditions associated with post-menopause including osteoporosis, endometriosis, uterine fibroid disease, cardiovascular disease (particularly hyperlipidemia), and hormonally-dependent cancers (particularly breast and uterine cancer).

Abstract: Novel pharmaceutically/cosmetically-active bicyclic aromatic compounds have the structural formula (I): ##STR1## and are useful for the treatment of a wide variety of disease states, whether human or veterinary, for example dermatological, rheumatic, respiratory, cardiovascular and ophthalmological disorders, as well as for the treatment of mammalian skin and hair conditions/disorders.

Abstract: Certain novel substituted (5,6)-dihydroanthracenyl compounds of the general formula ##STR1## wherein A, n, p, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are as defined in the specification exhibit retinoid-like properties and are particularly useful in the prevention of post-surgical adhesions.

Abstract: Novel farnesyl transferase inhibitors of general formula (I), ##STR1## the preparation thereof and pharmaceutical compositions containing said inhibitors, are disclosed. In general formula (I), R.sub.1 is Y--S--A.sub.1 (where Y is a hydrogen atom, an amino acid residue, a fatty acid residue, an alkyl or alkoxycarbonyl radical or a radical R.sub.4 --S-- where R.sub.4 is a C.sub.1-4 alkyl radical optionally substituted by a phenyl radical or a radical of general formula (II) ##STR2## wherein A.sub.1, X, X.sub.1, Y.sub.1, R'.sub.1, R.sub.2, R'.sub.2 and R are defined as below, and A.sub.1 is a C.sub.1-4 alkylene radical optionally alpha-substituted in the >C(X.sub.1)(Y.sub.1) grouping by an amino or alkylamino, dialkylamino, alkanoylamino or alkoxycarbonylamino radical); X.sub.1 and Y.sub.1 are each a hydrogen atom or, taken together with the carbon atom to which they are attached, form a >C.dbd.O grouping; R'.sub.1 is hydrogen or a C.sub.1-6 alkyl radical; X is an oxygen or sulphur atom; R.sub.2 is a C.

Abstract: Compounds of formula (I) wherein R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, m and n have the meanings reported in the description, processes for their preparation and pharmaceutical compositions which contain them as active ingredients are described. The compounds of formula (I) are endowed with a mixed ACE-inhibitory and NEP-inhibitory activity and are useful in the treatment of cardiovascular diseases.

Abstract: There is disclosed a structural genus of compounds, defined according to coordinates in three-dimensional space, that binds amino moieties on neighboring lysine residues in a tyrosine residue 29 pocket of the matrix protein component of the HIV preintegration complex (PIC), thereby preventing the PIC from binding to karyopherin .alpha. and preventing nuclear importation and integration of the HIV viral genome into the host cell DNA, thereby preventing viral infection.

Abstract: A series of new azulene derivatives are disclosed, which are represented by the following formula; ##STR1## wherein: R.sub.1 is hydrogen atom, lower alkoxycarbonyl group, carboxy group, halogen atom, lower alkyl group, phenyl group or lower alkanoyl group; R.sub.2, R.sub.3 and R.sub.4 are hydrogen atom, lower alkyl group, lower alkoxy group or halogen atom; X is lower alkyl group or amino group.The compounds of the present invention are useful for treatment of inflammation.

Abstract: The present invention relates to novel colchicine derivatives of formula (1), where Y is a --CH.sub.2 --CH--NH--R.sub.3 group or a --CH--CH.sub.2 OR.sub.3 group and the other variables are as defined in claim 1, having antiproliferative, antitumoral and anti-inflammatory activities. The novel compounds have a cytotoxicity on human tumoral cell lines comparable with colchicine, but, in comparison with the latter, they are less toxic and more selective, particularly on cells resistant to the usual medicaments. Some compounds have a marked activity on TNF and interleukine 2, and therefore are very potent anti-inflammatory agents. They can be included in pharmaceutical formulations useful for the parenteral, oral and topical administrations.

Abstract: This invention is directed to tetrahydronaphthalene compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, bromine, cyano, formyl, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, aryloxy, lower aralkoxy or aryl; R.sup.2 is an amino acid residue or a chain of 2 to 20 amino acid residues wherein reactive moieties in the side chains of the amino acid residue(s) is/are protected or unprotected, and wherein the amino group of the N-terminal amino acid is a free or protected amino group; A.sup.1, A.sup.2, A.sup.3 and A.sup.4 each are .alpha.-amino acid residues wherein A.sup.1 and A.sup.2 are in the L configuration and A.sup.3 and A.sup.4 are in the D configuration when the .alpha.-C atom of said .alpha.-amino acid residue is asymmetric; X is oxygen or sulphur; Y is a residue of the formula ##STR2## n is 0 or 1; R.sup.3 is hydrogen or lower alkyl; R.sup.

Abstract: Compounds of the formula ##STR1## where the symbols have the meaning described in the application, have retinoid-like or retinoid antagonist-like biological activity.

Abstract: Novel pharmaceutically/cosmetically-active polycyclic aromatic compounds have the structural formula (I): ##STR1## wherein Ar is a radical having one of the formulae (a)-(e): ##STR2## and are useful for the treatment of a wide variety of disease states, whether human or veterinary, for example dermatological, rheumatic, respiratory, cardiovascular and ophthalmological disorders, as well as for the treatment of mammalian skin and hair conditions/disorders.

Abstract: Novel pharmaceutically/cosmetically-active bicyclic aromatic compounds have the structural formula (I): ##STR1## and are useful for the treatment of a wide variety of disease states, whether human or veterinary, for example dermatological, rheumatic, respiratory, cardiovascular and ophthalmological disorders, as well as for the treatment of mammalian skin and hair conditions/disorders.

Abstract: The invention covers a novel series of .alpha.-mercaptoacrylic acid derivatives that inhibit both calpain I and calpain II with a high affinity and selectivity. The compounds are useful in the treatment of neurodegenerative disorders including cerebrovascular disorders, brain injury, spinal cord, and peripheral nerve injury, cardiac infarction, cataracts, inflammation, restenosis, muscular dystrophy, and platelet aggregation. Pharmaceutical compositions, methods of using processes for preparing and novel intermediates useful in the processes are also disclosed.

Abstract: Novel farnesyl transferase inhibitors of general formula (I) ##STR1## preparation thereof and pharmaceutical compositions containing same. In general formula (I), R.sub.1 is Y--S--A.sub.1 -- (where Y is a hydrogen atom, an amino acid residue, a fatty acid residue, or an alkyl or alkoxycarbonyl radical, and A.sub.1 is a C.sub.1-4 alkylene radical optionally .alpha.-substituted in the >C(X.sub.1) (Y.sub.1,) grouping by an amino, alkylamino, alkanoylamino or alkoxycarbonylamino radical wherein the alkyl or alkanoyl portion contains 1-6 carbon atoms; each of X.sub.1 and Y.sub.1 is a hydrogen atom or X.sub.1 and Y.sub.1, taken toether with the carbon atom to which they are attached, form a >C.dbd.O grouping; R'.sub.1 is hydrogen or a C.sub.1-6 alkyl radical; X is an oxygen or sulphur atom; R.sub.2 is a C.sub.1-6 alkyl, alkenyl or alkynyl radical optionally substituted by hydroxy, alkoxy, mercapto, alkylthio, alkylsulphinyl or alkylsulphonyl.

Abstract: The present invention is directed to non-peptidic factor Xa inhibitors which are useful for the treatment of arterial and venous thrombotic occlusive disorders, inflammation, cancer, and neurodegenerative diseases. The factor Xa inhibitors provide compounds of structure: ##STR1## or pharmaceutically acceptable salts thereof; whereinR.sup.1 is alkyl, substituted alkyl, cycloalkyl, aryl, substituted aryl, heteroaryl or substituted heteroaryl; R.sup.2 is one of hydrogen, alkyl, cycloalkyl or aryl; R.sup.3 is one of hydrogen, hydroxy or alkoxy; R.sup.4 is one of --NH.sub.2, phenyl or pyridyl, wherein said phenyl and said pyridyl are optionally substituted with one or two of halogen, hydroxy, hydroxyalkyl, alkoxy, amino, monoalkylamino, dialkylamino, aminoalkyl, monoalkylaminoalkyl and/or dialkylaminoalkyl; X is one of --CH.sub.2 -- or --C(O)--; and n is from zero to eleven; provided that when R.sup.4 is --NH.sub.2, then R.sup.3 is hydrogen and n is other than zero; and also provided that when R.sup.

Abstract: Diphenylheteroalkyl derivatives of the formula I ##STR1## where A and R.sup.1 -R.sup.6 have the meanings specified in the description, and the preparation thereof are described.The substances are suitable for controlling diseases and as cosmetic agents.

Abstract: A liquid crystal compound of the formula (1) ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms,both X and Y are hydrogen atoms or one of X and Y is a fluorine atom and the other is a hydrogen atom,A is --CF.sub.3 or --C.sub.2 F.sub.5,m is an integer of 2 to 4,n is an integer of 2 to 4, andC* is an asymmetric carbon,having a ferrielectric phase in its phase sequence, or a ferrielectric liquid crystal composition containing the liquid crystal compound of the formula (1) having a ferrielectric phase, may be injected between substrates provided with nonlinear active elements, such as thin film transistors or diodes formed on each pixel, to form an active matrix liquid crystal display device.

Abstract: (1) Naphthyloxyaetic acid represented by the compound of the formula (I): ##STR1## and non-toxic salts thereof, (2) process for the preparation of the compounds represented by the compound of the formula (I) described hereinbefore,(3) PGE.sub.2 antagonist or agonist containing the compound represented by the compound of the formula (I) as the active ingredient.The compounds represented by the compounds of the formula (I) can be adapted to medicines which possess an inhibitory effect of uterine contraction, an analgesic action, an inhibitory effect of digestive peristalsis, a sleep-inducing effect as PGE.sub.2 antagonists, and an uterine contractile activity, a promoting effect of digestive peristalsis, a suppressive effect of gastric acid secretion, hypotensive activity as PGE.sub.2 agonists. The compounds bind to PGE.sub.2 receptor and have an activity of antagonist or agonist against the action thereof.

Abstract: 10-thio-substituted 1,8-dihydroxy-9(10H) anthracenones, therapeutic compositions containing at least one of the 10-thio-substituted 1,8-dihydroxy-9(10H) anthracenones of the invention and methods of treating inflammatory conditions are provided.

Abstract: A process for preparation of 4-mercapto-1-naphthol compounds which comprises the steps of:(i) obtaining a 4-heterocyclylthio-1-naphthol compound by reacting a 1-naphthol compound with a heterocyclylsulfur chloride or by reacting a 4-iodo-1-naphthol compound with an alkali metal or ammonium salt of a mercaptoheterocyclic compound,(ii) hydrolyzing the resulting 4-heterocyclylthio-1-naphthol compound in the presence of a base to form a reaction product, and(iii) acidifying said reaction product.The resulting compounds are useful as intermediates in the synthesis of bleach accelerator releasing couplers for use in silver halide color photographic materials.

Abstract: Diethylenetriaminepentaacetic acid monoamide derivatives, their complexes and complex salts, containing an element of atomic numbers 21-29, 31, 32, 39, 42-44, 49 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and process for their production.

Abstract: Di(aromatic) compounds corresponding to the following formula: ##STR1## in which: Ar represents either ##STR2## n=1 or 2 or: ##STR3## X represents a divalent radical, Z represents O, S or a divalent radical, and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 represent a hydrogen atom or various organic radicals, and the salts of the compounds of formula (I) when R.sub.1 is a carboxylic acid function.Use in human and veterinary medicine and in cosmetics.

Abstract: Abstract of the Disclosure: Diphenylheteroalkyl derivatives of the formula I ##STR1## where A and R.sup.1 -R.sup.6 have the meanings specified in the description, and the preparation thereof are described.The substances are suitable for controlling diseases and as cosmetic agents.

Abstract: Compounds of Formula I ##STR1## wherein the symbols are as defined in the specification.

Abstract: The present invention is related to sulfonium salt compounds useful as an initiator of cationic polymerization and represented by a following general formula (I): ##STR1## wherein R.sub.1 is benzyl, phenyl, etc., R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen, alkyl, etc., R.sub.5 is hydrogen, alkyl, phenyl, etc., R.sub.6 is a group represented by a formula, --(CH.sub.2).sub.m --R.sub.11 wherein R.sub.11 is COR.sub.12, COOR.sub.13, OR,.sub.14, nitrile, OCOR.sub.15 or SOR.sub.16, wherein R.sub.12, R.sub.13, R.sub.14, R.sub.15 and R.sub.16 are each independently hydrogen, alkyl or phenyl, m is 0 or 1, and X represents SbF.sub.6, AsF.sub.6, PF.sub.6 or BF.sub.4.

Abstract: (1) Naphthyloxyaetic acid represented by the compound of the formula (I): ##STR1## and non-toxic salts thereof, (2) process for the preparation of the compounds represented by the compound of the formula (I) described hereinbefore,(3) PGE.sub.2 antagonist or agonist containing the compound represented by the compound of the formula (I) as the active ingredient.The compounds represented by the compounds of the formula (I) can be adapted to medicines which possess an inhibitory effect of uterine contraction, an analgesic action, an inhibitory effect of digestive peristalsis, a sleep-inducing effect as PGE.sub.2 antagonists, and an uterine contractile activity, a promoting effect of digestive peristalsis, a suppressive effect of gastric acid secretion, hypotensive activity as PGE.sub.2 agonists. The compounds bind to PGE.sub.2 receptor and have an activity of antagonist or agonist against the action thereof.

Abstract: Compounds of the formula ##STR1## wherein the symbols have the meaning described in the specification have retinoid-like biological activity.

Abstract: The present invention provides methods and pharmaceutical preparations for inhibiting the growth of bacterial microorganisms.

Abstract: The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.

Abstract: There is provided a process for preparing an arylacetic acid or arylpropionic acid divative from an arylcarbinol which comprises the step of subjecting said arylcarbinol to suitable carbonylation conditions for a sufficient period of time and under suitable pressure and temperature to form said acid derivative, with the proviso that said carbonylation conditions include conducting the reaction in a two-phase system wherein one phase is an aqueous medium which contains (1) a catalyst which is a water-soluble metal complex consisting essentially of a Group VIII metal and a hydrophilic ligand such as palladium complexed with trisulfonated triphenylphosphine, and (2) optionally an acid, and wherein the second phase comprises said arylcarbinol.

Abstract: A process for preparing olefin compounds of the formula ##STR1## where A is aryl, substituted aryl, heteroaryl, substituted heteroaryl, benzyl, substituted benzyl, vinyl or substituted vinyl and R.sub.2, R.sub.3 and R.sub.4 are hydrogen, alkyl, cycloalkyl, alkyl-substituted cycloalkyl, aryl, substituted aryl, alkoxy, alkythio, heteroaryl, substituted heteroaryl, alkanoyl, aroyl, substituted aroyl, heteroarylcarbonyl, substituted heteroarylcarbonyl, trifluoromethyl or halo, which comprises reacting an organic halide of the formula A-X where X is chloro, bromo or iodo with a vinyl or substituted vinyl compound of the formula ##STR2## where R.sub.2, R.sub.3 and R.sub.

Abstract: Oxadiazines of formula I, wherein R1 is F, Cl or fluoroalkoxy and R2 is alkyl, are prepared by reacting hydrazine derivatives of formula II with a dialkoxymethane in the presence of a protic acid catalyst in an inert solvent under conditions which allow for the prompt removal of the alcohol by-product by distillation. The reaction can be combined with the preparation of the hydrazines derivatives II from the corresponding ketones and hydrazines NH2-NHR3 in the presence of the same protic acid catalyst and an inert solvent. Oxadiazines I are useful as intermediates in the preparation of arthropodicidal agents.