Abstract: A textile having a surface that is coated with a compound of formula I or formula II.

Abstract: The present invention is directed to compounds represented by structural formula (I), or a pharmaceutically acceptable salt or a transition metal chelate, coordinate or complex thereof or a transition metal chelate, coordinate or complex of a deprotonated form of the compound. Pharmaceutical composition and method of use for these compounds are also included.

Abstract: The present invention is directed to compounds represented by structural formula (I), or a pharmaceutically acceptable salt or a transition metal chelate, coordinate or complex thereof or a transition metal chelate, coordinate or complex of a deprotonated form of the compound. Pharmaceutical composition and method of use for these compounds are also included.

Abstract: Reaction products prepared from reactants including: (a) at least one compound of structural Formula (I): wherein R1 is selected from aryl and heteroaryl; X is selected from a direct bond, —O—, —S—, —NH—, alkylene, cycloalkylene, heterocyclylene, arylene, alkarylene, and heteroarylene; Y is a substituted alkylene group having at least two contiguous carbon atoms and which can be interrupted by one or more —O—, —S—, or —NH— moieties as defined herein, wherein the alkylene group of Y has substituents independently selected from —OH, —NH2, —SH, cycloalkyl, heterocyclyl, aryl, and heteroaryl, or two hydrogen atoms on the same carbon atom of Y are replaced by carbonyl, and wherein at least two substituents of Y are each independently selected from —OH, —NH2, and —SH, as defined herein; and (b) at least one isocyanate functional material.

Abstract: Provided are compounds, pharmaceutical compositions and methods of treating or preventing disorders associated with NMDA receptor activity, including schizophrenia, Parkinson's disease, cognitive disorders, depression, neuropathic pain, stroke, traumatic brain injury, epilepsy, and related neurologic events or neurodegeneration. Compounds of the general Formulas A-E, and pharmaceutically acceptable salts, esters, prodrugs or derivatives thereof are disclosed.

Abstract: Compounds having a biphenyl group substituted with a phenyl or heteroaromatic group, as shown in Formula I, including pharmaceutically acceptable salts of the compounds, are CETP inhibitors, and are useful for raising HDL-cholesterol, reducing LDL-cholesterol, and for treating or preventing atherosclerosis:

Abstract: The invention relates to novel N-substituted imides and polymerizable compositions comprising these N-substituted imides. The invention further relates to the use of N-substituted imides as polymerization initiators.

Abstract: Compounds of formula wherein A1, A2 and A3 are each independently of the others a bond or a C1–C6alkylene bridge; A4 is a C1–C6alkylene bridge; D is CH or N; W is, for example, O, NR7 or S; T is, for example, a bond, O, NH or NR7; Q is O, NR7, S, SO or SO2; Y is O, NR7, S, SO or SO2; X1 and X2 are each independently of the other fluorine, chlorine or bromine; R1, R2 and R3 are, for example, H, halogen, CN, nitro, C1–C6alkyl, C1–C6haloalkyl, C1–C6alkylcarbonyl or C2–C6alkenyl; R4 is, for example, H, halogen, CN, nitro or C1–C6alkyl; R5 and R6 are, for example, H, CN, OH, C1–C6alkyl, C3–C8cycloalkyl, C3–C8cycloalkyl-C1–C6alkyl, C1–C6haloalkyl, C1–C6alkoxy or C1–C6haloalkoxy; R7 is H, C1–C6alkyl, C1–C6alkoxyalkyl or C1–C6alkylcarbonyl; k, when D is nitrogen, is 1, 2 or 3; or, when D is CH, is 1, 2, 3 or 4; and m is 1 or 2; and, where applicable, their possible E/Z isomers, E/Z isomeric mixtures and/or tautomers, in each case in free form or in salt form, a process for the preparation of those compounds and

Abstract: A method of preparing a pyrrolotriazin-4-one and a method of preparing the isothiocyanatoformic acid ester derivative which can be used as a reactant in that method of preparing a pyrrolotriazin-4-one. The method of preparing the pyrrolotriazin-4-one includes an addition step of an aminopyrrole derivative and the isothiocyanatoformic compound and a step of ring-closing reaction of a resulting adduct.

Abstract: Benzene-sulphonamide derivatives complying with the general formula (I): in which the different symbols have different meanings, their optical isomers and the salts pharmacologically acceptable of these derivatives, as well as their uses for drug manufacture and as radiolabelled pharmacological tools of the thromboxan A2 receptors.

Abstract: Disclosed are diaryl piperazines and related compounds. These compounds are selective modulators of capsaicin receptors, including human capsaicin receptors, that are, therefore, useful in the treatment of a chronic and acute pain conditions, itch and urinary incontinence. Methods of treatment of such disorders and well as packaged pharmaceutical compositions are also provided. Compounds of the invention are also useful as probes for the localization of capsaicin receptors and as standards in assays for capsaicin receptor binding and capsaicin receptor mediated cation conductance. Methods of using the compounds in receptor localization studies are given.

Abstract: Initiators for atom transfer radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers.

Abstract: The present invention provides prodrugs of GABA analogs, pharmaceutical compositions of prodrugs of GABA analogs and methods for making prodrugs of GABA analogs. The present invention also provides methods for using prodrugs of GABA analogs and methods for using pharmaceutical compositions of prodrugs of GABA analogs for treating or preventing common diseases and/or disorders.

Abstract: A magnetic circuit component having a plurality of claws arranged in a plurality of rows, with the base of each claw connected to a common yoke. A plurality of non-interlaced coils constituting a multi-phase winding are included, with the coils being wound around the bases of corresponding claws, and being distributed uniformly in the direction of motion.

Abstract: Control agents that have an oxygen-nitrogen bond covalently bonded to a thiocarbonyl moiety are provided for living-type free radical polymerization of a wide variety of monomers, particularly vinyl monomers.

Abstract: 1

Abstract: The invention relates to compounds of formula (I), and also to salts thereof, which have fungicidal activities: in which the various radicals and substituents are as defined in the description, and also to the fungicidal compositions containing them and to methods for combating the phytopathogenic fungi of crops using these compounds and compositions.

Abstract: A compound comprised of a hydrophilic polymer covalently yet reversibly linked to a amine-containing ligand through a dithiobenzyl linkage is described.

Abstract: Compounds of the Formula 1, Formula 2, Formula 3 and Formula 4 wherein the symbols have the meaning assigned to them in the disclosure have retinoid-like biological activity.

Abstract: A compound comprised of a hydrophilic polymer covalently yet reversibly linked to a amine-containing ligand through a dithiobenzyl linkage is described.

Abstract: The present invention relates to methods of making dihydropyrone HIV inhibitors.

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: This invention is directed to compounds of the following formula: wherein m is from 0-4; X is O or S; Y is halogeno; R1 is hydrogen or C1-4 alkyl; R2 is hydrogen, C1-4 alkyl or optionally substituted propargyl; and R3 and R4 are each independently hydrogen, C1-8 alkyl, C6-12 aryl, C6-12 cycloalkyl or C6-12 aralkyl, R5 is hydrogen or C1-4 alkyl; and pharmaceutically acceptable salts thereof, provided that when X is O, R2 is optionally substituted propargyl. This invention is also directed to the use of these compounds for treating depression, Attention Deficit Disorder (ADD), Attention Deficit and Hyperactivity Disorder (ADHD), Tourette's Syndrome, Alzheimer's Disease and other dementia's such as senile dementia, dementia of the Parkinson's type, vascular dementia and Lewy body dementia. This invention is further directed to a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.

Abstract: The present invention provides dihalopropene compounds of the general formula: ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.10 alkyl or the like; L is C(.dbd.O)NH or the like; R.sub.2, R.sub.3 and R.sub.4 are independently halogen or the like; R.sub.5, R.sub.6 and R.sub.7 are independently hydrogen or the like; m is an integer of 0 to 4; n is an integer of 0 to 2; X is chlorine or the like; Y is oxygen or the like; and Z is oxygen or the like, which have excellent insecticidal activity so that they are satisfactorily effective for the control of noxious insects.

Abstract: The present invention relates to O-thiocarbamoyl-aminoalkanol compound represented by the following structural formula (VI), (VIII) and (IX) which are a racemic or enantiomerically enriched and pharmaceulically acceptable salts thereof to treat diseases of the central nervous system: ##STR1## wherein Ar is a phenyl group as described as follows: ##STR2## wherein R is a member selected from the group consisting of hydrogen, lower alkyl of 1 to 8 carbon atoms, halogen selected from F, Cl, Br, and I, alkoxy containing 1 to 3 carbon atoms, thioalkoxy containing 1 to 3 carbon atoms, nitro, hydroxy, or taifluorocarbon, and x is an integer from 1 to 3, with the proviso that R is the same or different when x is 2 or 3. R.sub.1 and R.sub.2 may be the same or different from each other and are independently selected from the group consisting of hydrogen, lower alkyl of 1 to 8 carbon atoms, aryl, 3 to 7-membered aliphatic cyclic compounds and R.sub.1 and R.sub.

Abstract: Dithiocarboxylates, and in particular, dithiocarbamates, block the induced expression of the endothelial cell surface adhesion molecule VCAM-1, and are therefor useful in the treatment of cardiovascular disease, including atherosclerosis, post-angioplasty restenosis, coronary artery diseases, and angina, as well as noncardiovascular inflammatory diseases that are mediated by VCAM-1.

Abstract: There is disclosed 3-N-substituted thiocarbamoyl-2-phenyl-1,3-propanediol carbamate, represented by the following structural formula I, that is very effective for prophylaxis and treatment of central nervous system disorders including nervous muscular pain, epilepsy and cerebral apoplexy: ##STR1## wherein R.sub.1 and R.sub.2 may be the same or different from each other and are independently selected from the group consisting of hydrogen, lower alkyl containing 1 to 8 carbon atoms and 5 to 7-membered aliphatic cyclic compound which may comprise two or less nitrogen or oxygen atoms directly unconnected, with a proviso that R.sub.1 and R.sub.2 both should not be hydrogen and the total number of carbon atoms of R.sub.1 and R.sub.2 ranges from 1 to 16.

Abstract: A method for the treatment of cardiovascular diseases and noncardiovascular inflammatory diseases that are mediated by VCAM-1 is provided that includes the removal, decrease in the concentration of, or prevention of the formation of oxidized polyunsaturated fatty acids, or interferes with a complex formed between a polyunsaturated fatty acid or an oxidized polyunsaturated fatty acid and a protein or peptide that mediates the expression of VCAM-1. A method is also provided for suppressing the expression of a redox-sensitive gene or activating a gene that is suppressed through a redox-sensitive pathway, that includes administering an effective amount of a substance that prevents the oxidation of the oxidized signal, and typically, the oxidation of a polyunsaturated fatty acid, or interferes with a complex formed between the oxidized signal and a protein or peptide that mediates the expression of the redox gene.

Abstract: Dithiocarboxylates, and in particular, dithiocarbamates, block the induced expression of the endothelial cell surface adhesion molecule VCAM-1, and are therefor useful in the treatment of cardiovascular disease, including atherosclerosis, post-angioplasty restenosis, coronary artery diseases, and angina, as well as noncardiovascular inflammatory diseases that are mediated by VCAM-1.

Abstract: A method for the treatment of cardiovascular diseases and noncardiovascular inflammatory diseases that are mediated by VCAM-1 is provided that includes the removal, decrease in the concentration of, or prevention of the formation of oxidized polyunsaturated fatty acids, or interferes with a complex formed between a polyunsaturated fatty acid or an oxidized polyunsaturated fatty acid and a protein or peptide that mediates the expression of VCAM-1. A method is also provided for suppressing the expression of a redox-sensitive gene or activating a gene that is suppressed through a redox-sensitive pathway, that includes administering an effective amount of a substance that prevents the oxidation of the oxidized signal, and typically, the oxidation of a polyunsaturated fatty acid, or interferes with a complex formed between the oxidized signal and a protein or peptide that mediates the expression of the redox gene.

Abstract: The instant invention relates to novel compounds of formula (II) ##STR1## wherein R, R.sup.2 and x are as defined in the Specification. These compounds retard oxidation of, confer protection under extreme pressures to and reduce frictional wear of lubricants and hydraulic fluids.

Abstract: A thermosensitive reversible color-developing and disappearing agent includes an aromatic compound having at least one group of the formula, --SO.sub.2 NHCXNH--, wherein X.dbd.O or S atom, and at least one straight chain alkyl group with 11 or more carbon atoms, and is reactive with a dye precursor in a thermosensitive recording material to thereby record colored images on the recording material upon heating imagewise, and make the colored images disappear upon heating to a temperature lower than the colored image-forming temperature.

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: This invention is a pharmaceutical composition that inhibits the growth of cancers and tumors in mammals, particularly in human and warm blooded animals. The composition contains a 10:1 to 1:10 mixture of (1) N-chlorophenyl carbamates and N-chlorophenylthiocarbamates and (2) N-phosphonoglycine derivatives which are systemic herbicides. This composition can also be used to treat viral infections.

Abstract: This invention is a pharmaceutical composition that inhibits the growth of cancers and tumors in mammals, particularly in human and warm blooded animals. The composition is also effective against viruses. The composition contains N-chlorophenylcarbamates and N-chlorophenylthiocarbamates which are systemic herbicides.

Abstract: There are disclosed 3-thiocarbamoyl-2-phenyl-1,3-propandiol carbamate racemate, represented by the following structural formula I: ##STR1## and its (R)- and (S)- optical isomers and intermediates thereof, which are very effective for prophylaxis and treatment of central nervous system disorders including epilepsy and apoplexy. 3-Thiocarbamoyl-2-phenyl-1,3-propandiol carbamate racemate and its (S)- and (R)- optical isomers are prepared from 2-phenyl-1,3-propandiol monothiocarbamate, (S)-2-phenyl-1,3-propandiol monothiocarbamate, and (S)-2-phenyl-1,3-propandiol monocarbamate, respectively.

Abstract: A process for the preparation of alkyl esters of N-alkyl or N-aryl thiocarbamic acid having the formula: ##STR1## wherein R is alkyl or aryl, R.sub.2 is alkyl and R.sub.1 is hydrogen or alkyl which comprises reacting the S-alkyl ester of N-alkyl or aryl dithiocarbamic acid having the formula: ##STR2## wherein R, R.sub.1, R.sub.2 have the meanings stated above with an appropriate alkali metal alkoxide in the presence of one or more alcoholic solvents.

Abstract: Di(aromatic) compounds corresponding to the following formula: ##STR1## in which: Ar represents either ##STR2## 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: The present invention provides an agricultural or horticultural fungicide including an effective amount of an amino-acid derivative represented by the formula: ##STR1## wherein R.sup.1 represents a lower alkyl group (optionally having at least one same or different substituent of a halogen atom, an alkoxy group, and a cyano group), R.sup.2 represents an ethyl group, or an n-propyl group, R.sup.3 represents a hydrogen atom or a lower alkyl group, R.sup.4 represents a hydrogen atom, R.sup.5, R.sup.6, and R.sup.7 independently represent a hydrogen atom or a lower alkyl group, R.sup.8 represents a hydrogen atom, or a lower alkyl group, Z.sup.1 and Z.sup.2 independently represent an oxygen atom or a sulfur atom, Z.sup.3 represents an oxygen atom, or a sulfur atom, Q represents a phenyl group, m represents an integer from 0 to 2, and n represents 0 or 1.

Abstract: A borate ester having the formula ##STR1## wherein Y is N, S or O, X is O or S, R.sup.1 and R.sup.2 are, independent of one another, selected from the group consisting of H, (C.sub.1 -C.sub.40)hydrocarbon residues and (C.sub.3 -C.sub.50)cycloalkyl, aryl and aralkyl, each of which may further contain N, O or S, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are independent of one another, selected from the group consisting of H and (C.sub.1 -C.sub.8)hydrocarbon residues, n is 0 to 4. An anti-wear/anti-oxidant/anti-friction/anti-rust additive comprises the borate ester of the invention when added to a lubricating oil.

Abstract: Compounds of the formula ##STR1## in which A is oxygen, sulfur or --NR.sub.1 --;B is C.sub.2 -C.sub.6 alkylene,D-E is --O--E, --S--E, --O--CH.sub.2 --E, --O--C(.dbd.O)--E, --O--C(.dbd.O)--O--E, --O--C(.dbd.O)--N(H)--E or --O--C(.dbd.S)--N(H)--E;E is phenyl; phenyl which is substituted by one to three substituents; a five-membered aromatic heterocycle having one to three hetero atoms; a five-membered aromatic heterocycle which has one to three hetero atoms and which is substituted by one or two substituents; a six-membered aromatic heterocycle which has one to three nitrogen atoms; or a six-membered aromatic heterocycle which has one to three nitrogen atoms and which is substituted by one or two substituents;L is halogen or methyl;X is fluorine;Y is chlorine or fluorine;Z is hydrogen, fluorine or methyl;m is the number zero, one, two, three, four or five;n is the number zero, one or two andR.sub.1 is hydrogen, C.sub.1 -C.sub.

Abstract: The heat-sensitive recording material disclosed comprises a colorless or pale colored dyestuff precursor, one or more salicylic acid derivative of the formula (1) or metal salt of the derivative and an aliphatic amide compound having 18.about.60 carbon atoms in molecular structure, and is excellent in thermal response and preservation stability of white portions and images. ##STR1## wherein X.sub.1 and X.sub.2 are a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group or an aryl group, Y.sub.1 and Y.sub.2 are an oxygen atom or a sulfur atom, R.sub.1 is a hydrogen atom, an alkyl group, an aralkyl group or an aryl group, and R.sub.2 is an alkyl group, an alkenyl group, an aralkyl group or an aryl group.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a dye corresponding to the following formula ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represent hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represent substituted or unsubstituted amino, or R.sup.5 and R.sup.

Abstract: The compounds of the formula (I) ##STR1## in which R.sup.1 -R.sup.4, W, X, Y and Z are as defined in claim 1 are suitable for controlling harmful plants in crops.

Abstract: Heat-sensitive recording materials contain an electron-donating chromogenic compound and an electron-attracting compound. The recording materials also contain at least one compound represented by the following formula: ##STR1## wherein R.sub.1 and R.sub.3 mean a hydrogen atom or an alkyl, aralkyl or aryl group, R.sub.2 and R.sub.4 denote an alkyl, alkenyl, aralkyl or aryl group, X.sub.1, X.sub.2, Y.sub.1 and Y.sub.2 stand for an oxygen or a sulfur atom, and --Z.sub.1 -- and --Z.sub.2 -- are a specific aromatic group. Also provided are phenol compounds represented by the following formula: ##STR2## wherein R.sub.1, R.sub.2, X.sub.1 and Y.sub.1 have the same meanings as defined above; R.sub.5 and R.sub.6 are a hydrogen or halogen atom or an alkyl, alkoxy, aralkyl, aryl or hydroxyl group; p and q stand for an integer of 1-4; R.sub.5 and R.sub.6 may be either the same or different when p and q represent an integer of 2 or greater; and --Z.sub.3 -- means a specific divalent group.

Abstract: A method of inhibiting the growth or replication of viruses of the HIV group is disclosed. Also disclosed are compounds useful in the method and pharmaceutical formulations incorporating such compounds. The method involves the use of compounds having the general formula: ##STR1## wherein the substituent groups are as defined in the specification.

Abstract: The compounds of the formula (1) indicated in claim 1 are suitable for use as direct dyes for dyeing and printing a wide range of materials, in particular cellulose-containing fibre materials, producing dyeings and prints having good fastness properties.

Abstract: A process is provided for preparing N-acyl-aminothiophenols, e.g., N-acetyl-para-aminothiophenol, or aminothiophenols, e.g., para-aminothiophenol, by reacting a hydroxy aromatic ketone, e.g., 4-hydroxyacetophenone (4-HAP), with hydroxylamine or a hydroxylamine salt, to form the oxime of the ketone, subjecting the oxime to a Beckmann rearrangement in the presence of a catalyst to form the N-acyl-hydroxy aromatic amine, e.g., N-acetyl-para-aminophenol (APAP), reacting the N-acyl-hydroxy aromatic amine with an N,N-di (organo) thiocarbamoyl halide, e.g., N,N-dimethylthiocarbamoyl chloride, to form an O-(N-acyl-aminoaryl)-N,N-di (organo) thiocarbamate, e.g., O-(N-acetyl-para-aminophenyl)-N,N-dimethylthiocarbamate, pyrolytically rearranging the O-(N-acyl-aminoaryl)-N,N-di (organo) thiocarbamate to form an S-(N-acyl-aminoaryl)-N,N-di (organo) thiocarbamate, e.g., S-(N-acetyl-para-aminophenyl)-N,N-dimethylthiocarbamate, and hydrolyzing the latter compound to obtain the N-acyl aminothiophenol or aminothiophenol.

Abstract: A method is provided for preparing N-acylaminothiophenols, e.g., N-acetyl-para-aminothiophenol, or aminothiophenols, e.g., para-aminothiophenol, or N,S-diacylaminothiophenols, e.g., N,S-diacetyl-para-aminothiophenol, by reacting any of certain sulfur-containing ketones, viz., an S-(acylaryl) N,N-di(organo)thiocarbamate, e.g., S-(4'-acetophenyl)-N,N-dimethylthiocarbamate, an acylthiophenol acylate ester, e.g., 4-acetothiophenol acetate, or a free acylthiophenol, e.g., 4-acetothiophenol with hydroxylamine or a hydroxylamine salt, to form the oxime of the ketone, subjecting the oxime to a Beckmann rearrangement in the presence of a catalyst to form an S-(N-acyl-aminoaryl) N,N-di(organo)thiocarbamate, e.g., S-(N-acetyl-para-aminophenyl) N,N-dimethylthiocarbamate, an N,S-diacylaminothiophenol, e.g., N,S-diacetyl-paraaminothiophenol, or an N-acyl aminothiophenol, e.g., N-acetyl-para-aminothiophenol, respectively.

Abstract: Dye corresponding to the following formula - ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represents substituted or unsubstituted amino, or R.sup.5 and R.sup.6 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus, including a heterocyclic nucleus with an aliphatic or aromatic ring fused-on;R.sup.7 and R.sup.