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3960907 |
Esters of cyclopropyl substituted carboxylic acids
Esters of cyclopropyl substituted carboxylic acids, syntheses thereof, compositions thereof, and use for the control of mites and ticks.
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3959263 |
Prostaglandin intermediate
Prostaglandin derivatives of the formula ##SPC1## In which R 4 , R 5 , R 6 and R 7 each are hydrogen or lower alkyl, X is hydroxy and Y is hydrogen or X and Y together are oxo, Z is CH 2 CH 2 ...
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3957872 |
Benzobicycloalkane amine N-oxides and the salts thereof
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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3957849 |
Cyclopropane esters
Esters of cyclopropyl substituted carboxylic acids, syntheses thereof, compositions thereof, and use for the control of mites and ticks.
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3952047 |
Method of purifying pyrethrum extract
A method of purifying crude pyrethrum extract through the use of acetonitrile as the extracting agent comprising the method steps of mixing crude pyrethrum extract with acetonitrile, separating the...
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3943167 |
Process for preparing trans-chrysanthemic acid
A process for preparing trans-chrysanthemic acid which comprises reacting a mixture of alkyl trans-chrysanthemate and alkyl cis-chrysanthemate with an equimolar amount or less of an alkali with...
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3932483 |
W-Aliphatic and cycloaliphatic-hydrocarbonoxy-2,6-alkadiene and 2-alkene-1-nitriles
The present invention concerns unsaturated ethers or thioethers of the formula: ##EQU1## wherein R 1 is an aliphatic or alicyclic hydrocarbon, R 2 and R 3 are H or alkyl, Y is cyano, amido, a...
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3931280 |
Process for preparing alkyl trans-chrysanthemate
Alkyl cis-chrysanthemate is treated with a catalytic amount of alkali metal alkoxide at a temperature of about 50° to 200°C in the absence or presence of an aprotic solvent to give alkyl...
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3926860 |
Fragrance materials containing cis-2-n-pentyl cyclopropane-1-carboxylic acid
Described are perfumed articles, colognes and fragrance compositions containing cis-2-n-pentylcyclopropane-1-carboxylic acid (substantially in the absence of...
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3925460 |
Esters of cyclopropane substituted carboxylic acids
Esters of cyclopropane substituted carboxylic acids, syntheses thereof, compositions thereof, and use for the control of mites and ticks.
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3923871 |
Cyclopropylmethyl esters
Organic compounds characterized by a cyclopropanemethyl moiety, synthesis thereof, and compositions thereof for the control of mites.
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3923868 |
Substituted alkylthio butenoic acids and esters
Aliphatic 5-thia esters and acids, and derivatives thereof, useful for the control of insects.
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3922293 |
Prostaglandin F-type 9-monoacylates
Monocarboxyacylates of prostaglandins F 1 α, F 2 α, F 3 α, dihydro F 1 α, F 1 β, F 2 β, F 3 β, dihydro F 3 β, and their 15β isomers, at the C-9 position, and processes for preparing them....
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3922269 |
Oximes of 3-formylcyclopropane carboxylic acid esters
New insecticides are of the formula: ##EQU1## where R 1 is H, alkyl or alkenyl and R is a group that forms insecticidal esters with chrysanthemic and related acids. R may be e.g....
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3917668 |
Prostanoic acid intermediates
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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3917667 |
Process for preparing gem-dihalocyclopropanecarboxylic acid derivatives
Esters and amides of gem-dihalocyclopropanecarboxylic acids (which can be converted to the acids per se by pyrolysis or acid hydrolysis, respectively) are prepared by reacting an ester or an amide...
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3897478 |
Continuous process for the manufacture of alkyl chrysanthemate esters
A continuous process for the preparation of the C 1 -C 10 alkyl chrysanthemate esters is disclosed. The use of this novel process is found to be far more rapid as well as less hazardous than the...
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3894073 |
Extraction of pyrethrum
Pyrethrins are extracted from a solution of pyrethrum material in a low boiling hydrocarbon solvent with 4 to 8 C atoms into methanol or ethanol containing water. The pyrethrins are back-extracted...
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3892814 |
Cyclopropane derivatives
Allenes of formula ##SPC1## Where X 1 and X 2 are each an alkyl, carboalkoxy, carboxy, hydroxymethyl or aldehyde group or together are an alkylene group, X 3 and X 4 are each alkyl and R is...
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3884979 |
Synthesis of unsaturated diketones
This invention relates to a process for the preparation of 2-alkenyl-4-hydroxy-3-methyl-2-cyclopenten-1-ones from the reaction product of 2,4-pentane dione and a 2-propen-or 2-propyn-1-ol...
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3876682 |
Substituted benzoates of cyclpropane carboxylic acids
Organic esters characterized by the presence of a cyclopropane moiety, synthesis thereof, and compositions thereof for the control of mites and ticks.
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3876681 |
Novel cyclopropanecarboxylate
A compound of the formula, ##SPC1## Wherein R is hydrogen or methyl group, which is harmless to warm-blooded animals, useful as an active ingredient of insecticides, particularly in the form of...
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3862174 |
CYCLOPROPANECARBOXYLATES
A cyclopropanecarboxylate of the formula: ##SPC1## Wherein R 1 is methyl, R 2 is lower alkoxymethyl, lower alkenoxymethyl, lower alkynoxymethyl or acyl such as lower alkanoyl, lower...
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3857872 |
CYCLOPROPANE CARBOXYLIC ACID ESTERS
Cyclopropane carboxylic acid esters of hex-2,5-dienyl alcohol and of 2-yn-5-enyl and 2,5-dienyl aliphatic alcohols wherein the aliphatic chain contains between 6 and 12 carbon atoms. The esters are...
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3857858 |
CYCLOPROPANE CARBOXYLIC ACID ESTERS
Novel carboxylic acid esters represented by the formula, ##SPC1## Wherein R 1 represents hydrogen atom or methyl group; R 2 represents methyl, 2-methyl-1-propenyl or 2-methoxy-carbonyl-1-propenyl...
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3856976 |
CYCLOPROPANE DERIVATIVE FUNGICIDES
Fungi are controlled by certain derivatives of 1,1-dihalocyclopropanes.
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3853957 |
OXY SUBSTITUTED PEROXYKETALS
Peroxyketals having two peroxy groups attached to the same carbon atom of an aliphatic group having at least three carbon atoms, and at least one hydroxyl, acyloxy, substituted acyloxy,...
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3853952 |
2-ETHYNYLCYCLOPROPANE COMPOUNDS AND PROCESS FOR THE PREPARATION THEREOF
Novel 2-ethynylcyclopropane compounds having the formula ##SPC1## Wherein R 1 represents hydrogen atom, a straight or branched lower alkyl group or an aryl group which may be substituted with...
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3843686 |
PROCESS FOR THE PREPARATION OF 17-SUBSTITUTED-Δ4-GONENES AND INTERMEDIATES
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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3835176 |
ALPHA-CYANOBENZYL CYCLOPROPANECARBOXYLATES
α-Cyanobenzyl cyclopropanecarboxylates of the formula, ##SPC1## Wherein A is oxygen atom or methylene group, R 1 and R 2 are respectively hydrogen atom, a halogen atom or a lower alkyl group, R...
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3832383 |
HERBICIDAL ACYLOXYALKYL ANILIDES
Herbicidal acyloxyalkyl-2-halo-substituted acetanilides.
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3759964 |
DIHALOMETHYLENE SUBSTITUTED ESTERS AND DERIVATIVES
Novel aliphatic hydrocarbon esters, acids and alcohols having a backbone of at least 12 carbon atoms, a lower alkyl group at C-3, C--7 and C--11 and unsaturation or saturation at C--2,3, C--6,7...
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3741987 |
INTERMEDIATES IN TOTAL SYNTHESIS OF 16-DEHYDROPROGESTERONE
dl-Pregna-4,16-diene-3,20-dione (16-dehydroprogesterone) and dl-17-formylandrosta-4,16-diene-3,20-dione are prepared by a series of reactions starting with 1-methylcyclopropyl methyl ketone.
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3723469 |
PROCESS FOR THE PREPARATION OF CYCLOPROPANE DERIVATIVES AND COMPOUNDS PRODUCED THEREIN
Process for the preparation of an internal hemiacylal of racemic or optically active cis 3,3-dimethyl-2-formyl-cyclopropane-1-carboxylic acid which are intermediates for the preparation of racemic...
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3711555 |
ARYL ALLYL SULFONES
Aryl allyl sulfones of the formula wherein Ar is phenyl optionally substituted with lower alkyl, lower alkoxy, halomethyl, nitro or halogen and HA has the formula wherein R' 1 is hydrogen or lower...
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3699146 |
SYNTHESIS OF METHYL MALVALATE AND METHYL 5,6-METHANO-5-UNDECENOATE
This invention relates to the preparation of methyl malvalate, methyl 5,6-methano-5-undecenoate and the preparation of some new intermediates. Malvalic acid, the major cyclopropene component in...
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3694472 |
SYNTHESIS OF PYRETHRIC ACID
A novel process for the preparation of 3,3-dimethyl-2-(2'-methoxycarbonyl-trans 1'-propenyl)-1-cyclopropane carboxylic (1R,2R) acid or d-trans pyrethric (1R,2R) acid of the formula ##SPC1## By...
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3691215 |
THE PREPARATION OF 7α-METHYL-Δ -ESTRATRIENES
The preparation of 7α-methyl-Δ 4 ,9,11- estratrienes of the formula ##SPC1## Wherein R 1 is selected from the group consisting of hydrogen and an acyl radical of an organic carboxylic acid of...
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3689535 |
PROCESS FOR PREPARING ETHYLENE GLYCOL ESTERS
This invention relates to a process for preparing ethylene glycol esters by intimately contacting a mixture of ethylene, bromine or chlorine (or a bromine or chlorine containing compound) and...
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3683005 |
CYCLOPROPANECARBOXYLIC ACID ESTERS
This invention relates to novel cyclopropanecarboxylic acid esters, to a process for preparing the same and to insecticidal composition containing the same. 13 Claims, No Drawings
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3678172 |
ALLETHRONYL ESTERS OF CERTAIN CYCLOPROPANE-CARBOXYLIC ACIDS AS INSECTICIDES
Insecticidal compositions contain as their active ingredient allethronyl esters of 2,2-dichloro-3,3-dimethylcyclopropanecarboxylic acid and certain other cyclopropanecarboxylic acids.
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3678069 |
LACTONE POLYMERIZATION WITH A DICARBOXYLIC ACID-WATER INITIATOR
Lactones having the formula: wherein n is an integer from 4 to 6 and the R's are of the group consisting of hydrogen, alkyl, cycloalkyl, alkoxy, and single ring aromatic hydrocarbon radicals are...
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3673237 |
2,4-DINITRO-6-ALKYL PHENYL-CYCLOPROPIONATES
It has been found that cycloalkyl carboxylic acid esters of the general formula wherein n denotes one of the numbers 1, 2 or 3, Y represents oxygen or sulphur and R 1 , R 2 , R 3 , R 4 and R 5 ...
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3673215 |
SUBSTITUTED CHRYSANTHEMUMATES
New and valuable chrysanthemumates, particularly esters having triunsaturated alcohols, and a process for controlling pests with these esters.
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3671558 |
NOVEL ESTERS AND DERIVATIVES
Novel aliphatic hydrocarbon esters, acids and alcohols having a backbone of at least 12 carbon atoms, a lower alkyl group at C-3, C-7 and C-11 and unsaturation or saturation at C-2,3, C-6,7 and/or...
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3668239 |
PROCESS FOR PREPARING GLYCOL ESTERS FROM OLEFINICALLY UNSATURATED COMPOUNDS
Glycol esters derived from olefinically unsaturated compounds are prepared by contacting the olefinically unsaturated compound and molecular oxygen in a carboxylic acid medium in the presence of a...
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3607909 |
NEW PHENYL-AMINO PROPANE DERIVATIVES
Trifluoromethylphenyl amino propane substituted on the nitrogen atom (1) optionally, by lower-alkyl of up to 5 carbon atoms, and (2) in any case, by -(CH 2 ) n -OR' wherein n is 2 or 3 and R'...
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3542778 |
5-METHYLENE-2-PYRROLIDONES AND THEIR USE IN A PROCESS FOR MAKING BETA,BETA DISUBSTITUTED PYRROLIDINES
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3538143 |
PROCESS FOR THE PRODUCTION OF TRANS-CHRYSANTHEMIC ACID ETHYL ESTER
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3535386 |
NOVEL DIETHYNYLCARBINOLS
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