GB1302359A - - Google Patents
Info
- Publication number
- GB1302359A GB1302359A GB2357170A GB2357170A GB1302359A GB 1302359 A GB1302359 A GB 1302359A GB 2357170 A GB2357170 A GB 2357170A GB 2357170 A GB2357170 A GB 2357170A GB 1302359 A GB1302359 A GB 1302359A
- Authority
- GB
- United Kingdom
- Prior art keywords
- compounds
- formula
- alkoxy
- fabrik
- dihydropyran
- 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
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
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
-
- 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
- C07C45/65—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
- C07C45/66—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1302359 Carbonyl compounds BADISCHE ANILIN- & SODA-FABRIK AG 15 May 1970 [16 May 1969] 23571/70 Heading C2C Novel compounds of formula where R<SP>1</SP> and R<SP>2</SP> are different and denote H or CH 3 , are prepared by contacting 2-ethyl-3- methyl - 4 - R<SP>2</SP> - 6 - R<SP>1</SP> - 6 - alkoxy - 5,6 - dihydropyran, the alkoxy group being optionally substituted, with an aqueous solution of a weak acid. The compounds of Formula I are converted to by reaction with a strong acid at 0-280‹ C.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691924843 DE1924843A1 (en) | 1969-05-16 | 1969-05-16 | Process for the preparation of trimethyl-2-cyclohexen-l-ones |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1302359A true GB1302359A (en) | 1973-01-10 |
Family
ID=5734274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2357170A Expired GB1302359A (en) | 1969-05-16 | 1970-05-15 |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT299907B (en) |
AU (1) | AU1505270A (en) |
BE (1) | BE750464A (en) |
CH (1) | CH533589A (en) |
DE (1) | DE1924843A1 (en) |
FR (1) | FR2042673A1 (en) |
GB (1) | GB1302359A (en) |
NL (1) | NL7007140A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2504930C2 (en) * | 1975-02-06 | 1983-02-10 | Basf Ag, 6700 Ludwigshafen | Process for the preparation of 2,6,6-trimethyl-cyclohex-2-en-1-one |
-
1969
- 1969-05-16 DE DE19691924843 patent/DE1924843A1/en active Pending
-
1970
- 1970-05-06 CH CH681070A patent/CH533589A/en not_active IP Right Cessation
- 1970-05-12 FR FR7017206A patent/FR2042673A1/fr not_active Withdrawn
- 1970-05-14 AU AU15052/70A patent/AU1505270A/en not_active Expired
- 1970-05-15 BE BE750464D patent/BE750464A/en unknown
- 1970-05-15 GB GB2357170A patent/GB1302359A/en not_active Expired
- 1970-05-15 AT AT439570A patent/AT299907B/en not_active IP Right Cessation
- 1970-05-15 NL NL7007140A patent/NL7007140A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH533589A (en) | 1973-02-15 |
BE750464A (en) | 1970-11-16 |
NL7007140A (en) | 1970-11-18 |
AU1505270A (en) | 1971-11-18 |
FR2042673A1 (en) | 1971-02-12 |
DE1924843A1 (en) | 1970-11-19 |
AT299907B (en) | 1972-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |