JPS5283473A - Preparation of 2-styryl-3, 1-benzoxazine-4-one derivatives - Google Patents
Preparation of 2-styryl-3, 1-benzoxazine-4-one derivativesInfo
- Publication number
- JPS5283473A JPS5283473A JP15855675A JP15855675A JPS5283473A JP S5283473 A JPS5283473 A JP S5283473A JP 15855675 A JP15855675 A JP 15855675A JP 15855675 A JP15855675 A JP 15855675A JP S5283473 A JPS5283473 A JP S5283473A
- Authority
- JP
- Japan
- Prior art keywords
- derivatives
- benzoxazine
- styryl
- preparation
- asthama
- 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: The title compounds, having an anti-allergic action and useful as remedies for asthama, hay fever, nettle rash, atopic dermatitis, etc., are prepared by the reaction of cinnamic acid derivatives with anthranilic acid in the presence of an excess of a condensing agent.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15855675A JPS593995B2 (en) | 1975-12-31 | 1975-12-31 | 2- Styryl -3,1- Benzoxazine -4- |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15855675A JPS593995B2 (en) | 1975-12-31 | 1975-12-31 | 2- Styryl -3,1- Benzoxazine -4- |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5283473A true JPS5283473A (en) | 1977-07-12 |
JPS593995B2 JPS593995B2 (en) | 1984-01-27 |
Family
ID=15674276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15855675A Expired JPS593995B2 (en) | 1975-12-31 | 1975-12-31 | 2- Styryl -3,1- Benzoxazine -4- |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS593995B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0214004A2 (en) * | 1985-07-25 | 1987-03-11 | Roussel-Uclaf | 4-OH-quinoline-carboxylic-acid derivatives substituted in position 2 by a dihydroxy-substituted group, possibly etherified or esterified, process and intermediates for their preparation, their use as medicaments and compositions containing them |
JP2007153860A (en) * | 2005-12-02 | 2007-06-21 | Shipro Kasei Kaisha Ltd | Synthesis and utilization of 2-(2-aryl) vinyl-4h-3, 1-benzoxazine-4-one and 2-(2-aryl) vinyl-6-chloro-4h-3, 1-benzoxazine-4-one |
-
1975
- 1975-12-31 JP JP15855675A patent/JPS593995B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0214004A2 (en) * | 1985-07-25 | 1987-03-11 | Roussel-Uclaf | 4-OH-quinoline-carboxylic-acid derivatives substituted in position 2 by a dihydroxy-substituted group, possibly etherified or esterified, process and intermediates for their preparation, their use as medicaments and compositions containing them |
JP2007153860A (en) * | 2005-12-02 | 2007-06-21 | Shipro Kasei Kaisha Ltd | Synthesis and utilization of 2-(2-aryl) vinyl-4h-3, 1-benzoxazine-4-one and 2-(2-aryl) vinyl-6-chloro-4h-3, 1-benzoxazine-4-one |
Also Published As
Publication number | Publication date |
---|---|
JPS593995B2 (en) | 1984-01-27 |
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