JPS574936A - 2-n-amyl-3-hydroxy-3-methyl-4-cyclopentenone and its preparation - Google Patents
2-n-amyl-3-hydroxy-3-methyl-4-cyclopentenone and its preparationInfo
- Publication number
- JPS574936A JPS574936A JP7921480A JP7921480A JPS574936A JP S574936 A JPS574936 A JP S574936A JP 7921480 A JP7921480 A JP 7921480A JP 7921480 A JP7921480 A JP 7921480A JP S574936 A JPS574936 A JP S574936A
- Authority
- JP
- Japan
- Prior art keywords
- methyl
- cyclopentenone
- amyl
- hydroxy
- preparation
- 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.)
- Granted
Links
Abstract
NEW MATERIAL:2-n-Amyl-3-hydroxy-3-methyl-4-cyclopentenone of formula I.
USE: Useful as an intermediate for the synthesis of dihydrojasmone and an intermediate of pesticides.
PROCESS: The compound of formula I is prepared by the rearrangement of 5-methyl- α-n-amylfurfuryl alcohol of formula II in an inert solvent such as water, dioxane, etc., pref. in the presence of a catalyst.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7921480A JPS574936A (en) | 1980-06-11 | 1980-06-11 | 2-n-amyl-3-hydroxy-3-methyl-4-cyclopentenone and its preparation |
HU287680A HU186372B (en) | 1979-12-06 | 1980-12-03 | Process for producing 3-oxo-cyclopentene derivatives |
DK522280A DK160294C (en) | 1979-12-06 | 1980-12-05 | METHOD OF PREPARING 3-OXYCYCLOPENTENES |
DE8080107671T DE3063547D1 (en) | 1979-12-06 | 1980-12-05 | 3-hydroxy-4-cyclopentenones and process for their production |
EP19800107671 EP0031909B1 (en) | 1979-12-06 | 1980-12-05 | 3-hydroxy-4-cyclopentenones and process for their production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7921480A JPS574936A (en) | 1980-06-11 | 1980-06-11 | 2-n-amyl-3-hydroxy-3-methyl-4-cyclopentenone and its preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS574936A true JPS574936A (en) | 1982-01-11 |
JPS6227054B2 JPS6227054B2 (en) | 1987-06-12 |
Family
ID=13683674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7921480A Granted JPS574936A (en) | 1979-12-06 | 1980-06-11 | 2-n-amyl-3-hydroxy-3-methyl-4-cyclopentenone and its preparation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS574936A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180094102A1 (en) * | 2016-10-04 | 2018-04-05 | Asahi Kasei Kabushiki Kaisha | Flame-retardant resin composition |
-
1980
- 1980-06-11 JP JP7921480A patent/JPS574936A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180094102A1 (en) * | 2016-10-04 | 2018-04-05 | Asahi Kasei Kabushiki Kaisha | Flame-retardant resin composition |
Also Published As
Publication number | Publication date |
---|---|
JPS6227054B2 (en) | 1987-06-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5225733A (en) | Process for preparation of benzaldehydes | |
JPS574936A (en) | 2-n-amyl-3-hydroxy-3-methyl-4-cyclopentenone and its preparation | |
JPS5242864A (en) | Process for preparation of 1x, 24-dihydroxycholecalciferol | |
JPS5791982A (en) | Preparation of 5-methylfurfural | |
JPS55139330A (en) | Camphoren derivative,perfume composition containing said derivative, and preparation of said derivative | |
JPS5225762A (en) | Isolation of 2-tertiaryalkylanthraquinones | |
JPS574933A (en) | 2-n-amyl-3-hydroxy-3-methylcyclopentanone and its preparation | |
JPS51136648A (en) | Process for preparation of 2-(1-alkenyl)-2-cyclopentenone | |
JPS55108898A (en) | 25-hydroxy-24-oxocholesterol derivative and its preparation | |
JPS5788142A (en) | Preparation of cyclopentenolone compound | |
JPS5430144A (en) | Preparation of isocamphane | |
JPS5246049A (en) | Process for preparation of 2-methyl-3-alkyl-2-cyclopentene-1,4-dione | |
JPS5334750A (en) | Preparation of cyclopentadeca-4-yne-one | |
JPS5231059A (en) | Preparation of oxybenzoylbenzoic acids | |
JPS51122043A (en) | Process for preparation of 3-hydroxy-5- cycloxycyclopento-1-ene deriva tives | |
JPS51143645A (en) | Process for preparation of 3,3-dimethyl- 2-(2,2-dihalo)cyclopropanecar boxylic acid ester | |
JPS5271458A (en) | Synthesis of 1alpha-acyloxyprovitamine d compounds | |
JPS5231093A (en) | Preparation of 3- methylenecephalosporanic acid derivatives | |
JPS5495533A (en) | Preparation of derivative of anthranylaldehyde | |
JPS643144A (en) | Novel cyclic compound and antilipemic agent containing said compound as active component | |
JPS55160741A (en) | New cyclopentenone compound and its preparation | |
JPS51148024A (en) | Insecticide compositions containing cyclopropanecarboxylic acid esters and their preparation | |
JPS5520704A (en) | Gamma-butyrolactone compound and its preparation | |
JPS52243A (en) | Process for preparing 2-cyclohexenol | |
JPS51141814A (en) | Process for preparation of 4-oxopentadecane dicarboxylic acid or its e sters |