(+) FORM OF 7,8-DIHYDRO-6,6-DIMETHYL-7-HYDROXY-8-AMINO-6H- PYRANO (2,3-F) BENZ-2,1-3-OXADIAZOLE SHOWING RIGHT-HAND ROTATION IN ETHANOL Russian patent published in 1995 - IPC

Abstract RU 2045530 C1

FIELD: in medicine, more particularly with synthesis of an agent useful for the treatment of hypertension. SUBSTANCE: the product: a (+) form of 7,8-dihydro-6,6-dimethyl-7-hydroxy-8-amino-6H-pyrano (2,3-f)benz-2,1,3-oxadiazole; the angle of rotation at 25 C is + 189; the yield is 96% mp 145-146 C. EFFECT: improved properties of the title compound. 2 tbl

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RU 2 045 530 C1

Authors

Khiroo Matsumoto[Jp]

Kietomo Seto[Jp]

Riozo Sakoda[Jp]

Dates

1995-10-10Published

1992-03-27Filed