Title:
PROCESS FOR PRODUCING 1,4-BENZODIOXANE DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/1998/051680
Kind Code:
A1
Abstract:
An industrial process for producing 1,4-benzodioxane derivatives (1), characterized by converting a diol (2) into a carbonate (3) with a carbonating agent, removing the protecting group, and cyclizing the obtained compound by heating or by treating with a base or fluoride salt.
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Inventors:
FURUKAWA YOSHIRO (JP)
KITAORI KAZUHIRO (JP)
MATSUI SHOUHEI (JP)
KITAORI KAZUHIRO (JP)
MATSUI SHOUHEI (JP)
Application Number:
PCT/JP1998/002081
Publication Date:
November 19, 1998
Filing Date:
May 12, 1998
Export Citation:
Assignee:
DAISO CO LTD (JP)
FURUKAWA YOSHIRO (JP)
KITAORI KAZUHIRO (JP)
MATSUI SHOUHEI (JP)
FURUKAWA YOSHIRO (JP)
KITAORI KAZUHIRO (JP)
MATSUI SHOUHEI (JP)
International Classes:
C07D319/20; (IPC1-7): C07D319/20; C07D317/36
Foreign References:
| JPH08325260A | 1996-12-10 | |||
| JPS62174068A | 1987-07-30 |
Other References:
See also references of EP 0928791A4
Attorney, Agent or Firm:
Aoyama, Tamotsu (IMP Building 3-7, Shiromi 1-chome, Chuo-k, Osaka-shi Osaka, JP)
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