JPS5673077A - Preparation of 2-oxazolidone-3,5-disubstitution compound - Google Patents
Preparation of 2-oxazolidone-3,5-disubstitution compoundInfo
- Publication number
- JPS5673077A JPS5673077A JP14926579A JP14926579A JPS5673077A JP S5673077 A JPS5673077 A JP S5673077A JP 14926579 A JP14926579 A JP 14926579A JP 14926579 A JP14926579 A JP 14926579A JP S5673077 A JPS5673077 A JP S5673077A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- reaction
- formula
- amount
- reacted
- 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
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
PURPOSE: To obtain the titled compound useful as an intermediate for medicines or agricultural chemicals advantageously, by adding a seed solution containing a reaction intermediate to the reaction system in which an epoxide is reacted with an isocyanate in the presence of a lithium halide, etc.
CONSTITUTION: A compound of formula I (R1 is H or organic substituent, particularly CH2Cl, except a heterocyclic ring) is reacted with a compound of formula II (R2 is organic substituent, particularly isopropyl, except a heterocyclic ring, in an amount of 0.1W10mol% based on the compound of formula I in the presence of a compound of the formula LiX (X is halogen, particularly Cl) or formula III (R3, R4, R5 and R6 are 1W20C alkyl, particularly ethyl) at a temperature of preferably 70W200°C to give a compound of formula IV. In the reaction process, a seed solution containing a reaction intermediate, particularly part of the reaction solution in the previous reaction, is added to the reaction system in an amount of preferably 2W20wt% based on the charging amount to suppress the rapid reaction, facilitate the control of the reaction and obtain the compound of formula IV in high yield.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14926579A JPS6040427B2 (en) | 1979-11-16 | 1979-11-16 | Method for producing 2-oxazolidone-3,5-disubstituted product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14926579A JPS6040427B2 (en) | 1979-11-16 | 1979-11-16 | Method for producing 2-oxazolidone-3,5-disubstituted product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5673077A true JPS5673077A (en) | 1981-06-17 |
| JPS6040427B2 JPS6040427B2 (en) | 1985-09-11 |
Family
ID=15471453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14926579A Expired JPS6040427B2 (en) | 1979-11-16 | 1979-11-16 | Method for producing 2-oxazolidone-3,5-disubstituted product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6040427B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0934936A1 (en) * | 1996-07-08 | 1999-08-11 | Nissan Chemical Industries, Limited | Oxazolidinone compounds and process for the preparation thereof |
-
1979
- 1979-11-16 JP JP14926579A patent/JPS6040427B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0934936A1 (en) * | 1996-07-08 | 1999-08-11 | Nissan Chemical Industries, Limited | Oxazolidinone compounds and process for the preparation thereof |
| EP0934936A4 (en) * | 1996-07-08 | 2001-02-28 | Nissan Chemical Ind Ltd | Oxazolidinone compounds and process for the preparation thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6040427B2 (en) | 1985-09-11 |
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