Inhibitors of nitric oxide formation from arginine useful for treating hypotension, inflammation, stroke and to restore vascular contractile sensitivity to the effects of .alpha..sub.1 adrenergic agonists are physiologically active compounds including N.sup..delta. -substituted ornithine or N.sup..epsilon. -substituted lysine moieties or monoalkyl carbon-substituted N.sup..delta. -substituted ornithine or N.sup..epsilon. -substituted lysine moieties, having the formula ##STR1## wherein R is (CH.sub.2).sub.y CH.sub.3 or H, R' is CH.sub.2 or C(H)(CH.sub.2).sub.y CH.sub.3, and R" is CH.sub.2 or C(H)(CH.sub.2).sub.y CH.sub.3, with y ranging from 0 to 5, and x is 0 or 1 and wherein none or only one of R, R' and R" provides an alkyl substituent on ornithine or lysine moiety, and wherein Q is a heme binding moiety and/or a sulfur-containing binding moiety and Q' is --NH.sub.2 when there is a double bond between the omega carbon and Q and Q' is .dbd.NH when there is a single bond between the omega carbon and Q, and physiologically acceptable acid addition salts thereof.
阻止从精
氨酸生成
一氧化氮的
抑制剂,用于治疗低血压,炎症,中风,并恢复血管对α1
肾上腺素能激动剂的收缩敏感性的生理活性化合物,包括Nδ-取代
鸟氨酸或Nε-取代赖
氨酸基团或单烷基碳取代的Nδ-取代
鸟氨酸或Nε-取代赖
氨酸基团,其
化学式为##STR1##其中R为(
CH2)y
CH3或H,R'为 或C(H)( )y ,R"为 或C(H)( )y ,y的范围为0至5,x为0或1,其中R、R'和R"中没有或只有一个在
鸟氨酸或赖
氨酸基团上提供烷基取代物,Q为血红素结合基团和/或含
硫结合基团,Q'为-NH2,当ω碳和Q之间有双键时,Q'为.dbd.NH,当ω碳和Q之间有单键时,并且其生理上可接受的酸盐也包括在内。