DERIVATIVES OF 1,3,4-THIADIAZOLE-2-CARBOXYLIC ACIDS Russian patent published in 1995 - IPC

Abstract RU 2050357 C1

FIELD: organic chemistry. SUBSTANCE: product: 5-tert.-butyl-3-[N-(1-(S)-ethoxycarbonyl-3-phenylpropyl-L-ala- nyl] -2,3-dihydro-1,2,3-thiadiazole-2-(S)-carboxylic acid, m. p. is 165-168 C, [α]2D

2,5 -252.8 (in 2% ethanol), empirical formula is C22H31N3O5S; 5-tert.-butyl-3-[N″-(1-(S)-carboxy-3-phenylpropyl-L-lysyl] - 2,3-dihydro-1,3,4-thiadiazole-2-(S)-carboxylic acid, m. p. is 180-190 C, empirical formula is C23H34N4O5S. Synthesized compounds were used as hypotensive drugs for hypertonia treatment. EFFECT: improved method of synthesis. 3 cl, 1 tbl

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RU 2 050 357 C1

Authors

Rodzher Chal'Z Braun[Gb]

Dehvid Khalm Robinson[Gb]

Dzhon Dikson[Gb]

Dates

1995-12-20Published

1992-02-25Filed