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JPS5422964B2 |
Sulphones of the formula: in which R is a substituted or unsubstituted alkyl, alkylaryl, aralkyl, or aryl radical, A is a radical containing one or more isoprene units which is saturated, unsaturated, or of the conjugated or unconjugated...
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JPS5417009B2 |
1327320 Flavour and aroma composition L GIVAUDAN & C1E SA 7 Dec 1971 [8 Dec 1970] 56811/71 Heading A2B [Also in Division C2] An odorant and/or flavouring composition contains a compound of the formula: where R is H or acetyl, R1 is methy...
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JPS5461152A |
NEW MATERIAL:The title compound of formulas IWIV (R1-6 are H, 1-5C hydrocarbon group; R0 is H, 1-20C hydrocarbon group), or their keto-enol tautomeric isomers. EXAMPLE: 2-(3-Buten-1-yl)cyclohexane-1,3-dione. USE: Intermediate of pharmace...
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JPS546547B1 |
1325080 Arylsulphonyl olefinic carboxylic compounds RHONE-POULENC SA 4 Aug 1971 [5 Aug 1970] 930/70 Divided out of 1325079 Heading C2C The invention comprises arylsulphonyl olefins of the formula wherein R is aryl and Q is H or a monoval...
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JPS544944B2 |
1396623 Sulphones having a 1,5-dimethylhexa-1,5-dienylene group; carotene RHONEPOULENC SA 2 Feb 1973 [2 Feb 1972 10 April 1972] 5368/73 Headings C2C and C2V The invention comprises compounds of the formula wherein the sulphonyl group -SO...
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JPS544948B1 |
1283887 Vitamin A acid amides F HOFFMANN-LA ROCHE & CO AG 19 April 1971 [2 Feb 1970] 20880/71 Heading C2V Vitamin A acid amides of formula where R and R1 are alkyl, alkyl substituted by alkoxy, alkyl substituted by dialkyl amino, hydroxy...
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JPS544945B2 |
Sulphones useful for preparing polyenes have the formula IN WHICH THE SUPHONE GROUP REPLACES A HYDROGEN ATOM ON CARBON ATOM (A) OR (B), R represents alkyl, alkylaryl or aryl, optionally substituted, E represent free or protected oxygen o...
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JPS5347101B1 |
1306182 Cycloaliphatic crotonyl compounds DRAGOCO SPECIALFABRIK KONZ RIECHUND ARDMASTOFFE GERBERDING & CO GmbH 9 June 1971 [26 April 1971] 19759/71 Heading C2C [Also in Division A5] Cycloaliphatic crotonyl compounds of the general formul...
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JPS5346834B2 |
New alicyclic ketones useful for perfumery and flavour industry and process for preparing same. Use of said compounds as perfuming and/or flavouring ingredients in the manufacture of perfumes and perfumed products and/or in the preparati...
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JPS5398937A |
A process for introducing an allyl-positioned carbonyl group into a 2,6,6-trimethylcyclohexene ring which carries a polyenyl radical in the 1-position, by oxidizing the ring with a halogen(V)-oxyacid or a salt of such an acid, and the ne...
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JPS5327762B2 |
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JPS5323827B2 |
1,5-Dimethyl-hexa-1,5-dienylene compounds, and especially Vitamin A and derivatives thereof, are made by desuphonylating with a basic reagent a sulphone of the formula: in which the sulphonyl group -SO2R replaces a hydrogen atom on carbo...
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JPS5323294B2 |
Process for the preparation of oxygenated unsaturated cycloaliphatic compounds useful as perfuming and odour-modifying agents in the manufacture of perfumes and perfumed products, and as flavouring and taste-modifying agents in the aroma...
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JPS5378229A |
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JPS5320030B1 |
1353858 Sulphones for vitamin A synthesis RHONE-POULENC SA 19 Jan 1972 [20 Jan 1971] 2582/72 Headings C2C and C2V Novel compounds (I) where R is aryl and Y is H or Q being H or a hydrocarbon radical, are made by reacting vinyl-#-ionol ei...
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JPS5368754A |
This invention relates to novel chemical compounds and their use as flavor and odor agents. More specifically this invention relates to substituted cyclohexenones and cyclohexanones, which are valuable flavor and fragrance materials.
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JPS5318590B2 |
2,6,6-Trimethyl-1-cyclohexen-1-yl-acetaldehyde (ss-cyclohomocitral) of the formula (1) is used as a component of seasoning and/or aromatising agents, for example in a mixture with damascenone, 4-damascol, damascol, a phenyl-C6-ketone or ...
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JPS5315056B2 |
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JPS5310591B2 |
New heterocyclic derivatives containing nitrogen useful for perfumery and the flavour industry and use of same as perfuming and/or flavouring ingredients in the manufacture of perfumes and perfumed products and/or in the preparation of a...
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JPS538690B2 |
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JPS533382B2 |
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JPS539748A |
1528720 Cyclohexene derivatives L GIVAUDAN & CIE SA 11 July 1977 [12 July 1976] 29001/77 Heading C2C The invention comprises compounds of the formula wherein the N-2-hydroxyethyl-oxazolidinyl group is in the 4- or 5-position. The compoun...
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JPS5246944B2 |
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JPS52133951A |
PURPOSE: To obtain title compounds, intermediates for medicines, etc., by reaction of cycloalkane-1,3-diones with conjugated dienes in the presence of a catalyst comprising a Rh compound and a tertiary phosphine.
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JPS5233628B1 |
1334980 Retinyl halides RHONE-POULENC SA 18 May 1972 [19 May 1971] 23368/72 Heading C2V Retinyl halides are obtained by reacting 1- retinol (vitamin A alcohol) or the isomer 3- retinol, with a halogenating reagent in an inert solvent and...
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JPS5231863B1 |
1340211 #-Ionones BADISCHE ANILIN- & SODA-FABRIK AG 12 May 1971 [13 May 1970 10 April 1971] 14378/71 Heading C2C #-Ionones of formula in which R1, R2 and R3 are hydrogen or methyl are prepared by oyclizing a pseudo-ionone of formula in w...
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JPS5231864B2 |
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JPS5283636A |
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JPS5221502B2 |
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JPS5257107A |
A novel procedure for the preparation of carotenoids, particularly vitamin A, employing pi -allyl transition metal complexes. Novel carotenoid intermediates are also disclosed.
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JPS5248645A |
PURPOSE: The title compounds are prepared in high selectivity without lowering the activity of the catalyst by the nonvolatile by-product by the dehydrogenation of cyclic terpenealcohol using a metal catalyst such as Zn in molten state.
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JPS5210867B2 |
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JPS5236645A |
PURPOSE: Vitamin A is prepared from ;C-cyclocitral as a starting material by the reaction of acetal with silane derivatives, and by the removal of the methoxy group, etc.
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JPS5236652A |
Echinenone is produced by oxidizing beta -carotene or retro-dehyro-carotene with iodic acid or a salt of iodic acid in the presence of a catalyst and of an inert diluent or solvent.
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JPS528825B2 |
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JPS528299B1 |
1327320 Flavour and aroma composition L GIVAUDAN & C1E SA 7 Dec 1971 [8 Dec 1970] 56811/71 Heading A2B [Also in Division C2] An odorant and/or flavouring composition contains a compound of the formula: where R is H or acetyl, R1 is methy...
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JPS5218835A |
A conc. substance consists essentially of a glycosyloxy deriv. of a 4-(2,6,6-trimethylcyclohexan-1-yl) butane of formula (II) or (III) below:- In (I) the ring and/or the 4C chain is unsaturated and the molecule may be substd. by =O and/o...
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JPS5210242A |
The keyhole saw has a concentric centring borer mounted at the front end of a hollow boring shaft which forms the centring guide. The centring bore can be retracted by a displacement mechanism from a centred position where its cutting ed...
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JPS522889B2 |
Sulphones of the formula QSO2CH=C(CH3)-CH=CH2 wherein Q represents an optionally substituted, saturated or unsaturated terpene radical of 5n carbon atoms, n being 1-9, apart from 3-methylbutadienyl and 2-butadienylmethyl, are intermediat...
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JPS51113845A |
PURPOSE: To prepare terpenes such as piperitone and disabolane skeletone compounds, that are useful for medicines, perfumes, etc. by a new ring closure reaction.
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JPS5123484B2 |
Process for converting secondary and tertiary acetylenic carbinols to the corresponding alpha,beta-unsaturated carbonyl compounds by rearranging the carbinol with (trilower alkyl-, tricycloalkyl-, triaryl- or triarylalkyl-siloxy) vanadiu...
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JPS5163157A |
Humulones (I) are made by subjecting desoxyhumulones (II) to oxidation to form novel hydroperoxides (III) and reducing the latter.
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JPS5163163A |
1487796 Perfume compositions FIRMENICH SA 22 Aug 1975 [23 Aug 1974] 04958/77 Divided out of 1487795 Heading A5B A perfume composition comprises as an active ingredient at least one of the following compounds: 4,8,11,11-tetramethyltricycl...
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JPS5115008B1 |
1358623 Unsaturated carbonyl compounds; vitamin A aldehydes F HOFFMANN-LA ROCHE & CO AG 5 May 1972 [7 May 1971] 21038/72 Headings C2C and C2V Carbonyl compounds of formula wherein R 1 represents a hydrogen atom or a lower alkyl group and...
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JPS5142792A |
A process for polymerizing ethylene is provided in which very small concentrations of a quinone alkide, such as 3,5-ditertiarybutyl-p-quinone methide, are employed in the reaction medium. The quinone alkide modifies the properties of the...
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JPS519038B1 |
Various compounds are disclosed to be useful in the flavoring of tobacco products. Many of said compounds are also useful as odoriferous ingredients and/or as flavoring agents in general for foodstuffs, beverages and pharmaceutical prepa...
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JPS516134B2 |
Allylidene phosphoranes are prepared by a new process comprising reacting dialkyl aluminum alkylidene amides or bis(N-dialkyl aluminum-imino)alkanes which are obtainable from saturated aliphatic nitriles or dinitriles and dialkyl aluminu...
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JPS5113758A |
A novel process for the preparation of polyene compounds useful as coloring agents in foods, cosmetics, and pharmaceutical preparations. Novel polyenes are also disclosed.
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JPS50154226A |
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JPS50148331A |
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