CH572742A5 - Perfumery compsns - contg 3-isopropyl - or 3-isopropenyl cyclopentene derivs - Google Patents
Perfumery compsns - contg 3-isopropyl - or 3-isopropenyl cyclopentene derivsInfo
- Publication number
- CH572742A5 CH572742A5 CH276375A CH276375A CH572742A5 CH 572742 A5 CH572742 A5 CH 572742A5 CH 276375 A CH276375 A CH 276375A CH 276375 A CH276375 A CH 276375A CH 572742 A5 CH572742 A5 CH 572742A5
- Authority
- CH
- Switzerland
- Prior art keywords
- compsns
- isopropenyl
- isopropyl
- lower alkyl
- formula
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/513—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an etherified hydroxyl group
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/203—Alicyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/62—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by hydrogenation of carbon-to-carbon double or triple bonds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0026—Essential oils; Perfumes compounds containing an alicyclic ring not condensed with another ring
- C11B9/003—Essential oils; Perfumes compounds containing an alicyclic ring not condensed with another ring the ring containing less than six carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Fats And Perfumes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
Abstract
Cyclopentenes having the general formula (I) (where R' is H, OH, lower alkyl or lower alkoxy; R2 is H, lower alkyl or lower alkylidene and the dotted line denotes an opt. bond) are useful as perfume co and ingredients of perfume co compsns. They are prepd. by reacting a cpd. having the formula (II), in the presence of an acid catalyst, with an enol ether (III') or a ketal (III"): (in which R5 is H, lower alkyl or lower alkenyl) and opt. catalytically hydrogenating a 3-isopropenyl cpd. (I) obtd. to the 3-isopropyl cpd. of formula (I) and/or oxidising an aldehyde obtd. of formula (Ia) to the acid (Ib): and opt. converting these to the ester (Ic): (where R3 is lower alkyl).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH276375A CH572742A5 (en) | 1972-03-17 | 1972-03-17 | Perfumery compsns - contg 3-isopropyl - or 3-isopropenyl cyclopentene derivs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH276375A CH572742A5 (en) | 1972-03-17 | 1972-03-17 | Perfumery compsns - contg 3-isopropyl - or 3-isopropenyl cyclopentene derivs |
Publications (1)
Publication Number | Publication Date |
---|---|
CH572742A5 true CH572742A5 (en) | 1976-02-27 |
Family
ID=4241060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH276375A CH572742A5 (en) | 1972-03-17 | 1972-03-17 | Perfumery compsns - contg 3-isopropyl - or 3-isopropenyl cyclopentene derivs |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH572742A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997017314A1 (en) * | 1995-11-10 | 1997-05-15 | Henkel Kommanditgesellschaft Auf Aktien | Carbonyl compounds |
-
1972
- 1972-03-17 CH CH276375A patent/CH572742A5/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997017314A1 (en) * | 1995-11-10 | 1997-05-15 | Henkel Kommanditgesellschaft Auf Aktien | Carbonyl compounds |
US5932771A (en) * | 1995-11-10 | 1999-08-03 | Smithkline Beecham Corporation | Carbonyl compounds |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |