JPS5721342A - Preparation of cinnamic esters - Google Patents
Preparation of cinnamic estersInfo
- Publication number
- JPS5721342A JPS5721342A JP9468980A JP9468980A JPS5721342A JP S5721342 A JPS5721342 A JP S5721342A JP 9468980 A JP9468980 A JP 9468980A JP 9468980 A JP9468980 A JP 9468980A JP S5721342 A JPS5721342 A JP S5721342A
- Authority
- JP
- Japan
- Prior art keywords
- acid salt
- amine
- alkyl
- halogenic
- halogenic acid
- 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.)
- Pending
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: In carbonylating a styrene oxidatively in the presence of an aliphatic alcohol, to obtain the titled compound useful as a raw material for perufme in high reaction rate in high yield, by adding palladium, halogenic acid salt or amine, and a dehydrating agent to the reaction system.
CONSTITUTION: In the presence of palladium, halogenic acid salt of amine, and dehydrating agent, a styrene shown by the formula I (R1 is H, halogen, 1W4C alkyl, or 1W4C alkoxy; R2 is H or 1W6C alkyl) is reacted with 1W4C aliphatic alcohol, carbon monoxide, and oxygen, preferably at 50W150°C, to give a cinnamic ester shown by the formula II (R3 is 1W4C alkyl). The halogenic acid salt of the amine has effects on rise in reaction rate and improvement of the selectivity of the desired reaction product, and for example, halogenic acid salt of primary, secondary, and tertiary amines and ammonia, especially hydrochloric acid salt or hydrobromic acid salt is preferable at the halogenic acid salt of the amine.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9468980A JPS5721342A (en) | 1980-07-11 | 1980-07-11 | Preparation of cinnamic esters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9468980A JPS5721342A (en) | 1980-07-11 | 1980-07-11 | Preparation of cinnamic esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5721342A true JPS5721342A (en) | 1982-02-04 |
Family
ID=14117155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9468980A Pending JPS5721342A (en) | 1980-07-11 | 1980-07-11 | Preparation of cinnamic esters |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5721342A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656306A (en) * | 1984-12-10 | 1987-04-07 | Mitsui Toatsu Chemicals, Incorporated | Preparation process of cinnamate ester |
| US4661620A (en) * | 1984-10-05 | 1987-04-28 | Mitsui Toatsu Chemicals, Incorporated | Preparation process of cinnamate esters |
| US4855485A (en) * | 1984-12-21 | 1989-08-08 | Sun Refining And Marketing Company | Process for production of cinnamates |
| US5334750A (en) * | 1992-04-07 | 1994-08-02 | Bayer Aktiengesellschaft | Process for the preparation of cinnamic acid derivatives |
-
1980
- 1980-07-11 JP JP9468980A patent/JPS5721342A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4661620A (en) * | 1984-10-05 | 1987-04-28 | Mitsui Toatsu Chemicals, Incorporated | Preparation process of cinnamate esters |
| US4656306A (en) * | 1984-12-10 | 1987-04-07 | Mitsui Toatsu Chemicals, Incorporated | Preparation process of cinnamate ester |
| US4855485A (en) * | 1984-12-21 | 1989-08-08 | Sun Refining And Marketing Company | Process for production of cinnamates |
| US5334750A (en) * | 1992-04-07 | 1994-08-02 | Bayer Aktiengesellschaft | Process for the preparation of cinnamic acid derivatives |
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