Abstract: New optically active intermediates and processes for producing optically active prostaglandins which are useful for various therapeutic purposes such as antisecretory agents, cardiovascular agents, antiulcerogenic agents and as agents for inducing labor or terminating pregnancy in pregnant females.

Abstract: N-acyl-acyloxy aromatic amines, e.g. 4-acetoxyacetanilide (AAA), are prepared by reacting a hydroxy aromatic ketone, e.g. 4-hydroxyacetophenone, with hydroxylamine or a hydroxylamine salt and a base to obtain the ketoxime of the ketone, e.g. 4-hydroxyacetophenone oxime, and then subjecting the ketoxime to a Beckmann rearrangement and accompanying acylation by contacting the ketoxime with a carboxylic acid anhydride and a Beckmann rearrangement catalyst to form the N-acyl-acyloxy aromatic amine.

Abstract: 1-Fluoro-1,1,5-trinitro-3-oxa-5-azahexane which is prepared by reacting one mole of 2-fluoro-2,2-dinitroethanol with one mole of an acetate of the formula ##STR1## wherein R is --CF.sub.3 or CH.sub.3.

Abstract: An improved process for the preparation of fluorene-9-carboxylic acid comprising reacting fluorene and a dialkyl carbonate with alkyls of 1 to 5 carbon atoms in the presence of a member of the group consisting of alkali metal hydrides or potassium alcoholate of an aliphatic alcohol of 1 to 5 carbon atoms, neutralizing the mixture and saponifying the resulting fluorene-9-carboxylic acid ester to obtain fluorene-9-carboxylic acid in good yields.

Abstract: Bisphenol derivatives of the formula (I), ##STR1## are produced by reacting a carboxylic acid, RCOOH (II), with a bisphenol of the formula (III), ##STR2## adding a halogenating agent in the presence of a dehydrohalogenating agent. The product bisphenol derivatives are useful as antioxidants.

Abstract: 4-Acetoxyacetanilide is produced by subjecting phenyl acetate to a Fries rearrangement or phenol and an acetylating agent to a Friedel-Crafts acetylation to form 4-hydroxyacetophenone which is then reacted with hydroxylamine or a hydroxylamine salt to form 4-hydroxyacetophenone oxime. The oxime is then subjected to a Beckmann rearrangement and accompanying acetylation with acetic anhydride to form the 4-acetoxyacetanilide.

Abstract: The present invention relates to a method of preparing 10,11-dihydro-5H-dibenzo[a,d]cycloheptene-5-one or substitution products thereof from dibenzyl-o-carboxylic acid or its corresponding substitution products, by cyclocondensation. The cyclocondensation is performed in either of two ways, namely (a) with catalytic amounts of a concentrated acid as catalyst, or (b) with the aid of di- and/or trichloromethyl aromatic compounds in the presence of catalysts, preferably catalysts from the group of the Lewis acids.

Abstract: As new compound is provided a cyclohexane derivative of the formula ##STR1## wherein R represents a hydrogen atom or an alkyl group, an alkylthioalkyl group or an unsubstituted or substituted phenyl group; and R.sup.1 represents an alkyl group, an unsubstituted or substituted benzyl group, a phenethyl group, a phenoxymethyl group, a 2-thienylmethyl group, an alkoxymethyl group or an alkylthiomethyl group, or a salt of said cyclohexane compound.This cyclohexane compound exhibits useful plant-growth regulating effects on crop-plants and also non-crop plants such as lawn and may be prepared by cyclization of an acetonylsuccinic acid dialkyl ester, followed by reaction with an organic acid chloride and by intermolecular rearrangement.

Abstract: Compounds useful in treating cardiovascular disorders are the carboxylic acids depicted in formulas (1) and (2) ##STR1## as well as their pharmaceutically acceptable, non-toxic salts and esters, wherein:n is an integer from one to four;R.sub.1 is hydroxy;R.sub.2 is hydrogen; orR.sub.1 and R.sub.2 together are an oxo group;R.sub.3 is ##STR2## wherein A is --CH.sub.2 --CH.sub.2 --; trans--CH.dbd.CH--; --C.tbd.C--; andR.sub.4 is linear or branched alkyl of one to twelve carbons, preferably 1-10 carbons, most preferably 3-8 carbons, cycloalkyl of three to eight carbons; phenyl optionally substituted with one or two identical substituents selected from the group consisting of lower alkyl, lower alkoxy, hydroxy, trifluoromethyl, and halo; or phenylloweralkyl optionally substituted with one or two identical substituents selected from the group consisting of lower alkyl, lower alkoxy, hydroxy, trifluoromethyl, and halo.

Abstract: The title compound, 1-(3-phenoxy-propyl-2,3-dibromopropionate, ##STR1## is an insect repellent.

Abstract: 2- and 3-Nitroterephthalamic acids are prepared by ammonolysis of dialkyl nitroterephthalates. The terephthalamic acids are useful as intermediates in the preparation of difunctional compounds useful in the preparation of aromatic polyamides and polybenzimidazoles.

Abstract: A process for the recovery of cobalt and manganese from solid aromatic acid oxidation incinerator ash, pyrolysis sand and pyrolysis char is disclosed. The process comprises heating the solid residue at a temperature of about 120.degree. to about 300.degree. C. and a pressure of about 3 atmospheres to about 30 atmospheres. The recovered catalyst is useful for the oxidation of alkyl aromatic hydrocarbons to their corresponding di- or tricarboxylic acids which are used for the manufacture of fibers, films and molded products.

Abstract: Benzocycloalkane amine derivatives and their non-toxic acid addition salts as novel analgesic agents.

Abstract: A carboxylic acid esters, such as methyl propionate, is prepared by carbonylation of an olefin, such as ethylene, in the presence of an alcohol by the use of a molybdenum-nickel-alkali metal, a tungsten-nickel-alkali metal or a chromium nickel-alkali metal co-catalyst and in the presence of a halide.

Abstract: A compound of the formula ##STR1## wherein X.sup.1 is a free or an esterified carboxyl group, or a group of the formula: ##STR2## (R.sup.a and R.sup.b are each independently a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.3 -C.sub.7 cycloalkyl group, a benzyl group, a phenyl group, a phenyl group substituted with a halogen atom or a C.sub.1 -C.sub.4 alkyl group, or, when taken together with the adjacent nitrogen atom to which they are attached, they represent a 5 to 7 membered saturated heterocyclic group), Y is a group of the formula: ##STR3## (R.sup.6 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group) or ##STR4## (R.sup.6 is as defined above), R.sup.1 is a hydrogen atom, a hydroxyl group or a protected hydroxyl group, R.sup.2 is a hydrogen atom or R.sup.1 and R.sup.2, when taken together, mean a single linkage to form a double bond between the carbon atoms which they are linked, R.sup.3 is a hydroxyl group or a protected hydroxyl group, R.sup.4 is a hydrogen atom or a C.sub.1 -C.sub.

Abstract: Pyrocatechol methylcarbamate is prepared by reacting pyrocatechol carbonate with methylamine in the presence of a tertiary amine and, preferably, a solvent.

Abstract: Described is 2-methoxy-4-(2-methylpropenyl) phenyl ester of isobutyric acid of our invention having the structure: ##STR1## and uses thereof in augmenting or enhancing the aroma or taste of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products and chewing tobaccos and the process for preparing said 2-methoxy-4-(2-methylpropenyl) phenyl ester of isobutyric acid by reacting isobutyric anhydride with vanillin according to the reaction sequence: ##STR2##

Abstract: A curing agent for fluorocarbon polymer coating compositions having the formula ##STR1## where R is R.sup.1 NH, R.sup.1 is an aliphatic or cycloaliphatic hydrocarbon radical, R.sup.2 is C or an aliphatic hydrocarbon group, R.sup.3 is H or CH.sub.3, where x is 3 when R.sup.2 is a hydrocarbon group and x is 4 when R.sup.2 is C; the curing agents form ambient curing fluorocarbon polymer coating compositions;These compositions are used to provide corrosion and abrasion resistant coatings for large structures in chemical plants, oil refineries, oil drilling platforms, and the interior of smoke stacks of large utility companies.

Abstract: Described is the genus of 4(hydrocarbylthio)acetoacetic esters defined according to the structure: ##STR1## wherein R.sub.1 represents C.sub.2 -C.sub.6 aliphatic hydrocarbyl and R.sub.2 represents hydrogen or C.sub.1 -C.sub.2 aliphatic hydrocarbyl and the uses of such 4(hydrocarbylthio)acetoacetic esters for augmenting or enhancing the aroma or taste of foodstuffs and chewing gums.

Abstract: Esters or carboxylic acids are prepared from olefins containing at least two carbon atoms by reacting the olefin with carbon monoxide in the presence of:(i) a first complex of a selected Lewis acid with the ester or carboxylic acid, whichever is the reaction product recovered;(ii) a second complex of the Lewis acid with an alcohol, if an ester is being prepared, or with water, if a carboxylic acid is being prepared; and(iii) a metal carbonyl compound containing a Group IB transition metal in the first oxidation state; andby recovering the reaction product(s).The preferred olefin is propylene, the preferred ester to be prepared is methylisobutyrate, the preferred metal is copper and the preferred Lewis acid is boron trifluoride.