Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-04-03
1988-10-18
Bond, Robert T.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514 63, 514212, 540487, 540488, 540524, 540527, C61K 3155, A61K 31395, C07D28106, C07D22502
Patent
active
047787902
ABSTRACT:
Compounds of formula (I): ##STR1## (wherein A is an alkylene group substituted by an optionally substituted amino or heterocyclic group and optionally interrupted by an oxygen or sulfur atom, R.sup.2 is various organic groups, B is C.sub.1 -C.sub.2 alkylene and Y is sulfur or methylene) and pharmaceutically acceptable salts and esters thereof are valuable hypotensive agents which may be prepared by a condensation reaction of the corresponding compound having an amino group in place of the group A--CH(COOH)--NH--.
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Chemical Abstracts vol. 106, Item 32870g (1987) abstracting South African Patent ZA 80 04,755 (Feb. 26, 1986).
Chemical Abstracts vol. 106, Item 78243h (1987) abstracting Thorsett "Actual Chim. Ther.", (1986), vol. 13, pp. 257-268.
Thorsett et al, Peptides Structure and Function, Am. Peptide Symposium (8th: 1983) Univ. of Arizona, pp. 556-588.
Ando Akiko
Iijima Yasuteru
Ishihara Sadao
Koike Hiroyuki
Yanagisawa Hiroaki
Bond Robert T.
Sankyo Company Limited
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