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4116998 |
Preparation of esters of m-phenoxybenzyl alcohol and its α-cyano and α-ethinyl derivatives with 2,2-dimethylcyclopropanecarboxylic acids
Process for the preparation of esters of m-phenoxybenzyl alcohol and its α-cyano and α-ethinyl derivatives with carboxylic acids containing at least 6 carbon atoms by heating together a methyl or...
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4116987 |
Method of hydroxylation
A process for the production of alcohols and esters comprises hydroxylating a saturated hydrocarbon at between about 20° and about 130° C. with an oxygenated amine. The amine may be a...
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4113969 |
Preparation of 2,2-dimethyl-3-(2,2-dihalogenovinyl)-cyclopropane-1-carboxylic acid esters
In the preparation of a 2,2-dimethyl-3-(2',2'-dihalogenovinyl)-cyclopropane-1-carbox
ylic acid ester of the formula ##STR1## in which Hal is halogen, and R 1 is alkyl with 1 to 4 carbon atoms,...
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4113968 |
Process for preparation of substituted cyclopropane carboxylic acids and esters thereof and intermediates of said acids and esters
When 1-halogeno-3-alkene-2-ol is reacted with an ortho-carboxylic ester and/or a ketene acetal, a γ-halogeno-δ-unsaturated-carboxylic ester is obtained as a main reaction product. When this...
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4097678 |
Δ.sup.9 (11) -5α-D-homo-20-keto steroids
3α-Hydroxy and 3α-acyloxy- Δ 9 (11) -5α-D-homo-20-ketopregnenes of the formula ##STR1## wherein R is hydrogen or acyl, R 1 is hydrogen or methyl and R 2 is methyl or ethyl, are produced by...
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4097670 |
Carboxyalkylureido cephalosporins
Carboxyalkylureido cephalosporins of the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, diphenyl-lower alkyl, tri(lower alkyl)silyl, trihaloethyl, a salt forming ion, or...
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4091006 |
Esters of 3-hydroxyindone compounds
A new series of substituted esters of 3-hydroxyindone compounds have been found to have exceptional miticidal and herbicidal activity.
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4085273 |
Preparation of chrysanthemic acid compounds
Pesticidal and anti-inflammatory cyclopropyl compounds, cyclopropyl intermediates for the preparation of pesticidal compounds, especially chrysanthemic acid-like intermediates, and a process for...
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4083863 |
Process for the preparation of cyclopropane carboxylic acids and esters
Certain derivatives of cyclopropane carboxylic acid and their esters are useful and valuable intermediates for the preparation of broad spectrum pyrethroid type pesticides. The invention provides a...
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4083855 |
Method for producing a γ-lactone
A method for producing a 3,3-dimethyl-4-(2,2-dihalogenovinyl)-4-hydroxybutyric-1,4-la
ctone of the formula, ##STR1## wherein X is a halogen atom, which comprises reacting a...
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4081598 |
Flame retardant mercaptocarboxylic acid esters of halogenated polyols
This invention is directed to novel halogen-containing polythiols which impart improved flame retardancy to radiation cured thiol-ene compositions.
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4081488 |
Process for preparing 1,1-dihalo-4-methyl-1,3-pentadienes
1,1-Dihalo-4-methyl-1,3-pentadienes, key intermediates in the syntehsis of insecticidal dihalovinylcyclopropanecarboxylates, may be prepared in three steps beginning with the Friedel Crafts...
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4076953 |
1,3-Bridged amino tetralins
1,3-Bridged-2-amino tetralins, having spiro substitution or the bridge, and intermediates thereto. The final products have analgesic activity.
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4073876 |
Preparation of glycol esters
In the preparation of glycol esters by the oxidation of an olefin in the presence of a catalyst comprising tellurium, wherein the accumulation of foreign metals in association with the tellurium...
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4070404 |
Process to 1,1-dihalo-4-methyl-1,3-pentadienes, pyrethroid insecticide intermediates
1,1-Dihalo-4-methyl-1,3-pentadienes, key intermediates in the synthesis of insecticidal dihalovinylcyclopropanecarboxylates, result from the condensation of 3-methyl-1-butene with a carbon...
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4069385 |
Method for the preparation of optically active allylic esters
In the preparation of olefin derivatives having an ester group at the allylic position (hereinafter referred to as "allylic ester(s)") which comprises reacting an olefin having at least one...
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4065480 |
Process for preparing substituted cyclopropycarbinyl compounds
Pesticidal and anti-inflammatory cyclopropyl compounds, cyclopropyl intermediates for the preparation of pesticidal compounds, especially chrysanthemic acid-like intermediates, and a process for...
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4064174 |
Preparation of 2-halocyclobutanones
The preparation of a 2-halocyclobutanone by contacting a 2,2-dihaloalkanoyl halide with an ethylenically unsaturated compound at a temperature of at least 5° C in the presence of dispersed zinc or...
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4058392 |
Tetrasubstituted urea compounds and herbicidal compositions
New N,N'-tetrasubstituted ureas of the formula ##STR1## in which X is oxygen, sulfur or an NR 5 -- or SO 2 --group, R is alkyl or an optionally substituted aryl group, or an optionally...
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4057561 |
D-Homo-19-norsteroids
D-homosteroids of the formula ##STR1## WHEREIN R 3 α is hydrogen, R 3 β is hydroxy, lower alkanoyloxy or aroyloxy and R 3 α and R 3 β taken together are oxo; R 17a α is hydrogen, lower alkyl,...
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4048327 |
(4-Phenoxyphenoxy)alkyl cyclopropanecarboxylates
New cyclopropanecarboxylates of the formula ##STR1## are disclosed, wherein R 1 represents hydrogen, methyl or ethyl and n is 1, 2 or 3. These compounds are useful as pesticides, especially for...
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4048215 |
Process for preparation of trans-chrysanthemates
A novel process for the preparation of alkyl esters of dl-trans chrysanthemic acid of the formula ##STR1## wherein R is alkyl of 1 to 6 carbon atoms comprising reacting in the presence of a strong...
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4048120 |
Method of improving, enhancing or modifying perfume using cyclobutane derivatives
Cyclobutane derivatives useful as odor-modifying ingredients for manufacturing perfumes and perfumed products, and as flavor-modifying ingredients for the manufacture of artificial flavors or for...
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4042616 |
Preparation of cyclopropanecarboxylates
Preparation of tert-(cyclo)alkyl 1-hydrogen-2- hydrocarbylcyclopropanecarboxylates or 1-tert-(cyclo)alkyl spiro [2,p] alkanecarboxylates where p is an integer of at least 2 by reaction of a...
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4035405 |
Novel synthesis for preparing the hydrochloride salt of selected catecholamine derivatives
Compounds of the formula: ##STR1## wherein R represents a straight or branched C 1 -C 5 alkyl group; and R 1 in each occurrence represents an acyl member which is alkanoyl having 1-22 carbon...
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4029690 |
Asymmetric synthesis of alkyl chrysanthemates
Process for producing an optically active alkyl chrysanthemate by reacting 2,5-dimethyl-2,4-hexadiene with an alkyl diazoacetate in the presence of a copper complex coordinated with a particular...
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4028397 |
Hydroxycitric acid derivatives
Ester and amide derivatives of threo-hydroxycitric acid γ-lactone inhibit fatty acid synthesis in biological systems and are useful in the treatment of obesity and in correcting conditions of...
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4014918 |
Process for the preparation of cyclopropane derivatives and compounds produced therein
Process for the preparation of racemic or optically-active cyclopropane carboxylic acid of the formula ##STR1## wherein the CO 2 H substituent on the carbon 1 and the ##STR2## substituent on the...
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4012430 |
Process for the preparation of cyclopropane derivatives
GEM-DIHALOCYCLOPROPANE DERIVATIVES ARE PREPARED BY REACTING OLEFINIC COMPOUNDS WITH A DIHALOCARBENE IN THE PRESENCE OF AN IMPROVED CATALYST.
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4007171 |
Intermediates for prostanoic acids
15- And/or 16-alkyl derivatives of 9,15-dioxygenated prost-13-enoic, prosta-4,13-dienoic and prosta-5,13-dienoic acid, lower alkyl esters thereof and homologs thereof, as well as a process for...
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4006136 |
Prostaglandin intermediates
A process for preparing 11-deoxyprostaglandin E 1 , E 2 and E 3 and analogs thereof is realized by treating an appropriate di(lower)alkyl 3-(optionally...
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4005091 |
Substituted trimethylene cyclopropanes, salts thereof, intermediates and methods of making the same
Trimethylenecyclopropane wherein all six hydrogen atoms are symmetrically substituted with cyano, alkoxycarbonyl or carbacyl groups and which are salt-forming can be made by reacting...
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4001428 |
Cyclopropane derivatives and use thereof as cell membrane mobility agents
Compounds capable of functioning as membrane mobility agents in plant and animal cells are described. These compounds have a structure represented by the formula ##STR1## in which A represents a...
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4001331 |
Benzobicycloalkane
Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and...
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4001326 |
Benzobicycloalkane imines
Benzobicycloalkane amines, their pharmacologically acceptable addition salts, intermediates therefore the processes for their preparation and use. The compounds of the invention exert analgesic and...
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4001306 |
Prostaglandin F.sub.α 15-monoacrylates
Mono(carboxyacylates) of prostaglandins F 1 α, F 2 α, F 3 α, dihydro F 1 α, and their 15β isomers, at the C-15 position, and processes for preparing them. These compounds are useful for a...
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4000181 |
α-Cyano-phenoxybenzyl cyclopropane carboxylate insecticides
New insecticides are compounds of the formula ##STR1## WHEREIN TWO OF R 1 , R 2 and R 3 each represent methyl and the third represents hydrogen, Z represents H, CH 3 --, --CN or --C.tbd.CH, Y...
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4000180 |
Process for preparing 2-dihalovinyl-3,3-dimethyl cyclo propane derivatives
A process for the preparation of a compound of formula: ##STR1## wherein X is chlorine or bromine, and Q is selected from the group consisting of cyano, acetyl and alkoxycarbonyl which comprises...
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3997593 |
Organic compounds
This invention provides a new process for the preparation of a compound of formula I, ##STR1## wherein R' is alkyl or cycloalkyl, and R is an organic radical which is inert under the reaction...
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3989654 |
Process for preparing cis-chrysanthemic acid
A novel process for preparing cis-chrysanthemic acid comprising (1) hydrolysis of trans-δ-halogenodihydrochrysanthemic acid or ester thereof under neutrally kept condition with an alkaline earth...
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3987081 |
Alkyl derivatives of prostanoic acids and preparation thereof
15- And/or 16-alkyl derivatives of 9,15-dioxygenated prost-13-enoic, prosta-4,13-dienoic and prosta-5,13-dienoic acid, lower alkyl esters thereof and homologs thereof, as well as a process for...
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3987079 |
Vinyl ethers
Compounds of the formula ##SPC1## Wherein X is halogen or hydroxy; R 3 and R 4 represent halogen radicals; and R 5 represents a hydrogen atom or the cyano radical. These compounds are used in...
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3981903 |
Cyclopropane carboxylic acid esters
A new pyrethroidal pesticide containing as an active ingredient a pesticidally effective amount of novel cyclopropanecarboxylic acid esters represented by the formula, ##EQU1## wherein R is a...
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3980687 |
Intermediates for the preparation of 17-substituted-Δ.sup.4 -gonenes
A process for the production of a Δ 4 -gonenic steroid having the formula ##SPC1## Wherein R represents a member selected from the group consisting of hydrogen and the acyl of an organic...
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3978034 |
L-Aspartyl dipeptides as sweetening agents
Dipeptides of the formula: ##EQU1## wherein n is an integer from 0 to 5, R 1 is an alkyl, alkylaryl or alicyclic radical, and R 2 is a cycloalkenyl radical, and, in addition, may be phenyl when n...
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3976693 |
Benzobicycloalkanone oximes
Benzobicycloalkanone oximes which are intermediates for the preparation of benzobicycloalkane amines. The amines exert analgesic and antiinflammatory effects in warm-blooded animals.
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3973036 |
Cyclopropanecarboxylic acid esters
A novel cyclopropanecarboxylic acid ester of the formula, ##SPC1## Wherein R 1 is a hydrogen atom, a cyano or ethynyl group, and X is a chlorine, bromine or fluorine atom, which possesses various...
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3971822 |
Aspartyl amide sweetening agents
An ester compound of the formula: ##EQU1## wherein R 1 is hydrogen or hydroxy, R 2 is alkyl of one to five carbon atoms, alkenyl of two to three carbon atoms, cycloalkyl of three to five carbon...
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3969393 |
Process for preparing cyclopropane-carboxylic acid esters
A process for preparing an organic acid ester of the formula (I), ##EQU1## wherein R 1 is a hydrogen atom or a methyl group, R 2 is a methyl group, a vinyl group, a 2,2-dichlorovinyl group, a...
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3968137 |
Perfluoralkylcyanocyclopropenes
Described are random linear copolymers of certain cyclopropenes, e.g., cyclopropene or 1-methylcyclopropene, with certain ethylenically unsaturated or strained ring monomers, e.g., ethylene,...
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