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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DERIVATIVES OF 1,2,4-TRIAZOLE, OPTICALLY INERT OR CONTAINING R- OR S-CONFIGURATION AT C-2 AND C-3 ASYMMETRIC CENTERS, OR THEIR SALTS SHOWING FUNGICIDE ACTIVITY, AND A METHOD OF THEIR SYNTHESIS | 1990 |
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Authors
Dates
1995-10-10—Published
1992-03-27—Filed