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Class 560/1 - Carboxylic acid esters


Subclass of Class 560 - Organic compounds -- part of the class 532-570 series
Definition: Compounds under Class 532, ... wherein the acid function
No. of patents: 383
Last issue date: 12/06/2011


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NumberTitleIssue Date
4002648Catalyzed trans-acidolysis reaction of trimellitic acid, trimellitic anhydride and 2-naphthoic acid
The trans- acidolysis reaction between carboxylic acids and lower alkanoic acid esters of organic hydroxy or mercapto compounds is catalyzed by Group Ia and IIa metal salts of alkanoic acids such as sodium acetate....
01/11/1977
4001182Flame retardants for polymers
Novel compounds having the formula ##EQU1## WHEREIN N IS AN INTEGER, 0 TO 3 AND Z is selected from bromine or ##EQU2## the proportion of the selected Br-- and RCO2 --being such that the weight percent Br in the compound will be in ran...
01/04/1977
3997577Manufacture of lavandulol and its esters
A process for the manufacture of lavandulol and its esters, starting from the new compound 3,5,5-trimethyl-1,6-heptadien-3-ol, which is converted by conventional methods to 3,5,5-trimethyl-hepta-2,6-dien-1-ol or its esters, which are rearranged to lavandu...
12/14/1976
39961941,5-Bis(3',5'-di-hydrocarbyl-4'-hydroxyphenyl)pentyl derivatives
This invention is directed to 1,5-bis(3',5'-dihydrocarbyl-4'-hydroxyphenyl)pentyl derivatives, including the 3-pentyl ester, amine and amide compounds. It also deals with the stabilization of organic materials by incorporating such compounds therein,...
12/07/1976
3992437Polyhydrophenanthrene derivatives
Alkyl polyhydro-2-phenanthrylideneacetates are prepared by interacting the corresponding 2-oxopolyhydrophenanthrenes with a tri-lower-alkyl ଱-phosphono-lower-alkanoate. Said alkyl polyhydro-2-phenanthrylideneacetates are hydrolyzed to the free acid,...
11/16/1976
3980687Intermediates for the preparation of 17-substituted-Ɗ4 -gonenes
A process for the production of a Ɗ4 -gonenic steroid having the formula ##SPC1## Wherein R represents a member selected from the group consisting of hydrogen and the acyl of an organic carboxylic acid having from 1 to 18 carbon atoms, R'...
09/14/1976
3979434Benzobicycloalkane amines
Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity....
09/07/1976
3976696Benzobicycloalkane amines
Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and anti-inflammatory activity....
08/24/1976
3970684Polyunsaturated prostaglandin derivatives
Novel prostaglandin dehydro analogs of the PGA and PGB series and the 9-hydroxy-derivatives thereof, which possess a diethylenic unsaturation in the carboxylic acid chain and may be additionally substituted at C-4, C-6, C-9 and/or C-15 by a methyl, ethyl ...
07/20/1976
3965142Production of alicyclic unsaturated compounds having pendent functional groups
Cyclocooligomerization of at least one conjugated diene and an alkyl acrylate in the presence of a noncarbonyl containing, zero-valent nickel complex compound catalyst to form an olefinically unsaturated alicyclic ring compound having the non-hydrocarbon ...
06/22/1976
39651286ଲ,7ଲ-Epoxy-1଱,2଱-methylen-D-homo-4-pregnen-3,20-di ones
New 6ଲ,7ଲ-epoxy-17଱-hydroxy or acyloxy-1଱,2଱-methylen-D-homo-4-pregnen-3,20-diones having surprising progestational activity are disclosed....
06/22/1976
3960936Naphthyl substituted aliphatic acids
2-(2'-Naphthyl) acetaldehyde derivatives optionally substituted at the 2 position and/or positions C-1',4',5',7' or 8'; and/or position C-6' or positions C-5' and 7' exhibit anti-inflammatory, analgesic, antipyretic and anti-pruritic activity....
06/01/1976
3959382Method for reactivating palladium catalysts
Palladium catalysts employed in the hydrogenation of reducible cyclic organic compounds containing deleterious nitrogen impurities are reactivated according to a process comprising separating spent catalyst from the hydrogenation reaction mixture; contact...
05/25/1976
3957827Hydrogenation of carboxylic acid anhydrides to lactones or esters by homogeneous catalysis
γ-Lactones may be selectively prepared by the hydrogenation of cyclic carboxylic acid anhydrides under mild conditions in a homogeneous solution in the presence of a ruthenium catalyst of the formula ##EQU1## WHEREIN X is hydrogen, chlorine, bromine...
05/18/1976
3954842Process for the production of unsaturated esters
The thermal reaction of olefinic reactants with formaldehyde in saturated esters as solvent provides a convenient one-step preparation of unsaturated esters. The unsaturated ester products can be pyrolyzed to isoprene or used as chemical intermediates and...
05/04/1976
3953494Reactions involving carbon tetrahalides and ଱-methyl ketones or ketones having ଱,଱'-hydrogens
A process for preparing aldehydes, ketones, carboxylic acids and esters by reaction of various substrates with carbon tetrahalides in the presence of a strong base. The reactions are accelerated by the presence of a polar solvent. Anions of the substrate ...
04/27/1976
3952034Carbonylation of olefins and acetylenes
Olefins and acetylenes are carbonylated to a carboxylic acid or ester using a homogenous catalyst system comprising palladium together with iron or a metal of Groups IVA, VA or IIIB, the catalyst being either a polynuclear complex incorporating both metal...
04/20/1976
3948961Organic compositions
Cyclopropyl substituted esters, syntheses thereof, compositions thereof, and use for the control of mites and ticks....
04/06/1976
3943181Separating optically pure d-l-isomers of menthol, neomenthol and isomenthol
A process for the separation of optically active d- and l-isomers of a compound selected from the group consisting of menthol, neomenthol and isomenthol, which comprises esterifying a d,l-isomeric mixture of the compound with an acid selected from the gro...
03/09/1976
3939193D-Homosteroids
A novel class of D-homosteroids is disclosed. These compounds have potent endocrinal activity, particularly as anti-inflammatory agents....
02/17/1976
3936494Naphthenohydroxamic acid preparation
Naphthenohydroxamic acid is prepared by reaction at 25°C to 30°C, equimolar quantities of A. an ester of naphthenic acid, B. hydroxylamine dissolved in an alcohol/water/alkali metal sulfate slurry wherein the water content of the slurry is insufficient to hy...
02/03/1976
3931326Alkenoyl-cyclohexadienes
New cycloaliphatic unsaturated ketones and their use as perfuming and odour-modifying agents in the manufacture of perfumes and perfumed products, and as flavouring and taste-modifying agents in the preparation of foodstuffs in general and imitation flavo...
01/06/1976
393129710-Hydroxy PGC compounds
10.alpha.-Hydroxy-11-desoxy-prostaglandin analogs of the PGE.sub.1 and PGE.sub.2 and PGF.sub.1.sub..alpha. and PGF.sub.2.sub..alpha. series, the 11-dehydro derivatives thereof as well as the 9,10-ketals in the PGF series, and methods of preparing same, ...
01/06/1976
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