Title:
NOVEL BENZOTHIAZINE DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/1987/000838
Kind Code:
A1
Abstract:
Novel benzothiazine derivatives represented by the following general formula (I), process for their preparation, and agents for treating diseases of circulatory organs containing these compounds as effective ingredients: wherein R1 represents one or more groups selected from among a hydrogen atom, a lower alkyl group, a halogen atom, a nitro group, a hydroxy group, a lower alkoxy group, a lower alkanoyloxy group, an amino group, a lower alkylamino group and a lower alkoxycarbonyloxy group, R2 represents a hydrogen atom, a lower alkyl group or a (C3 - C6) cycloalkyl group, R3 represents one or more of a hydrogen atom, a lower alkyl group, a hydroxy group, a lower alkoxy group, a halogen atom, a nitro group, a lower alkylenedioxy group, a lower alkanoyloxy group, alower alkanoyl group, an amino group, a lower alkylamino group, a lower alkanoylamino group and a lower alkoxycarbonyloxy group, or $(1,5)$(CH2)n, R4 represents a hydrogen atom or a lower alkyl group, A and B which may be the same or different and each represents a lower alkylene group containing 1 to 6 carbon atoms, and n represents 3 or 4.
Inventors:
IWAO JUN-ICHI (JP)
ISO TADASHI (JP)
OYA MASAYUKI (JP)
ISO TADASHI (JP)
OYA MASAYUKI (JP)
Application Number:
PCT/JP1986/000379
Publication Date:
February 12, 1987
Filing Date:
July 21, 1986
Export Citation:
Assignee:
SANTEN PHARMACEUTICAL CO LTD (JP)
International Classes:
C07D279/16; A61K31/54; C07D279/00; C07D279/14; C07D417/12; C07D; (IPC1-7): C07D279/16; C07D417/12; A61K31/54
Foreign References:
| DE3347173A1 | 1985-07-04 | |||
| JPS59148771A | 1984-08-25 | |||
| JPS59144775A | 1984-08-18 | |||
| JPH05651465A | ||||
| JPS60166674A | 1985-08-29 |
Other References:
See also references of EP 0237573A1
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