TETRAZOLE DERIVATIVES, METHOD OF THEIR SYNTHESIS AND PHARMACEUTICAL COMPOSITION SHOWING PROPERTY OF ANTAGONIST OF ANGIOTENSIN-II RECEPTORS Russian patent published in 1997 - IPC

Abstract RU 2078764 C1

FIELD: organic chemistry. SUBSTANCE: product: 5-[4'-[2-butyl-4-chloro-5-(3-methyl-1,2,4-oxaziazole-5-yl) -1-imidazolylmethylbiphenyl-2-yl] ]-triphenylmethyl-1H-tetrazole, empirical formula is C43H37N8ClO, yield is 43%, m. p. is 175-177 C. Analysis: thin-layer chromatography in solvent toluene:ethyl acetate, 10:1; value Rf = 0.4. Synthesized compounds were used in medicine for hypertension and cardiac-vascular diseases treatment. EFFECT: improved method of synthesis. 7 cl, 3 dwg

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RU 2 078 764 C1

Authors

Diter Binder[At]

Jozef Vajnberger[At]

Andreas Kokh[At]

Dates

1997-05-10Published

1992-01-30Filed