GB1208090A - Process for preparing a bicycle ketone - Google Patents

Process for preparing a bicycle ketone

Info

Publication number
GB1208090A
GB1208090A GB47344/69A GB4734469A GB1208090A GB 1208090 A GB1208090 A GB 1208090A GB 47344/69 A GB47344/69 A GB 47344/69A GB 4734469 A GB4734469 A GB 4734469A GB 1208090 A GB1208090 A GB 1208090A
Authority
GB
United Kingdom
Prior art keywords
firmenich
bicycle
ketone
preparing
nootkatone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB47344/69A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Firmenich SA
Original Assignee
Firmenich SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Firmenich SA filed Critical Firmenich SA
Publication of GB1208090A publication Critical patent/GB1208090A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/647—Unsaturated compounds containing a keto groups being part of a ring having unsaturation outside the ring
    • C07C49/653—Unsaturated compounds containing a keto groups being part of a ring having unsaturation outside the ring polycyclic
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,208,090. Nootkatone. R. FIRMENICH, G. FIRMENICH, R. E. FIRMENICH, and F. H. FIRMENICH, [trading as FIRMENICH & CIE.]. 25 Sept., 1969 [25 Sept., 1968], No. 47344/69. Heading 2C2. Nootkatone, of the formula is prepared by hydrohalogenating nootkatene of the formula with a gaseous hydrogen halide and oxidizing the product. The preferred oxidizing agent is a mixture of chromic acid and aqueous sulphuric acid, but others are specified also. Examples are given.
GB47344/69A 1968-09-25 1969-09-25 Process for preparing a bicycle ketone Expired GB1208090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1434268A CH502291A (en) 1968-09-25 1968-09-25 Preparation of a bicyclic ketone

Publications (1)

Publication Number Publication Date
GB1208090A true GB1208090A (en) 1970-10-07

Family

ID=4400003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47344/69A Expired GB1208090A (en) 1968-09-25 1969-09-25 Process for preparing a bicycle ketone

Country Status (6)

Country Link
CH (1) CH502291A (en)
DE (1) DE1948033A1 (en)
FR (1) FR2018838A1 (en)
GB (1) GB1208090A (en)
NL (1) NL6914545A (en)
SE (1) SE356968B (en)

Also Published As

Publication number Publication date
FR2018838A1 (en) 1970-06-26
SE356968B (en) 1973-06-12
CH502291A (en) 1971-01-31
NL6914545A (en) 1970-03-31
DE1948033A1 (en) 1970-09-03

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees