JPS5671085A - Production of 2-hydroxy-5-alkyl-tetrahydrofuran and its novel intermediate - Google Patents
Production of 2-hydroxy-5-alkyl-tetrahydrofuran and its novel intermediateInfo
- Publication number
- JPS5671085A JPS5671085A JP14761979A JP14761979A JPS5671085A JP S5671085 A JPS5671085 A JP S5671085A JP 14761979 A JP14761979 A JP 14761979A JP 14761979 A JP14761979 A JP 14761979A JP S5671085 A JPS5671085 A JP S5671085A
- Authority
- JP
- Japan
- Prior art keywords
- hydroxy
- formula
- alkyl
- tetrahydrofuran
- production
- 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
Landscapes
- Fats And Perfumes (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Furan Compounds (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Abstract
NEW MATERIAL:The titled compound of formula I (R is 1W6C alkyl).
EXAMPLE: 2-Hydroxy-5-pentyltetrahydrofuran.
USE: Flavor and pefume: they have durable smells and are used in wide fields of food, beverage, cosmetics, medicine, sanitary and health products and are used as a perfume, flavor or modifier. Characteristically, they have fresh and sweet green note.
PREPARATION: A novel compound, 4-hydroxy-1,1-polymethylenedioxyalkane of formula II (n is 2, 3) is hydrolyzed in the presence of a catalyst such as sulfuric or p-toluenesulfonic acid, preferably in the presence of water in an organic solvent such as diethyl ether, dimethylformamide at 10W50°C for 1W25hr to give the compound of formula I.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14761979A JPS5671085A (en) | 1979-11-16 | 1979-11-16 | Production of 2-hydroxy-5-alkyl-tetrahydrofuran and its novel intermediate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14761979A JPS5671085A (en) | 1979-11-16 | 1979-11-16 | Production of 2-hydroxy-5-alkyl-tetrahydrofuran and its novel intermediate |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5671085A true JPS5671085A (en) | 1981-06-13 |
JPS6241512B2 JPS6241512B2 (en) | 1987-09-03 |
Family
ID=15434412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14761979A Granted JPS5671085A (en) | 1979-11-16 | 1979-11-16 | Production of 2-hydroxy-5-alkyl-tetrahydrofuran and its novel intermediate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5671085A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5120864A (en) * | 1989-12-01 | 1992-06-09 | Rhone-Poulenc Nutrition Animale | Intermediates, process for their preparation, and their use for the synthesis of vitamins a and e |
US5266708A (en) * | 1989-12-01 | 1993-11-30 | Rhone-Poulenc Nutrition Animale | New intermediates, process for their preparation, and their use for the synthesis of vitamins A and E |
-
1979
- 1979-11-16 JP JP14761979A patent/JPS5671085A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5120864A (en) * | 1989-12-01 | 1992-06-09 | Rhone-Poulenc Nutrition Animale | Intermediates, process for their preparation, and their use for the synthesis of vitamins a and e |
US5266708A (en) * | 1989-12-01 | 1993-11-30 | Rhone-Poulenc Nutrition Animale | New intermediates, process for their preparation, and their use for the synthesis of vitamins A and E |
Also Published As
Publication number | Publication date |
---|---|
JPS6241512B2 (en) | 1987-09-03 |
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