摘要:
Novel prostaglandin derivatives are provided having the formula: ##STR1## wherein A represents ##STR2## one of R.sub.3 and R.sub.4 represents a hydrogen atom and the other of them represents a lower alkyl group; one of R.sub.5 and R.sub.6 represents a hydrogen atom and the other of them represents a hydroxyl group; and one of R.sub.7 and R.sub.8 represents a hydrogen atom and the other of them represents a lower alkyl group.The compounds of this invention have excellent effects as prostaglandin E.sub.2 and prostaglandin F.sub.2.sub..alpha..
摘要翻译:提供了具有下式的新型前列腺素衍生物:其中A表示R 3中的一个,R 4表示氢原子,另一个表示低级烷基; R5和R6之一表示氢原子,另一个表示羟基; R 7和R 8中的一个表示氢原子,另一个表示低级烷基。
摘要:
This invention relates to a novel pyrimido(5,4-d)-pyrimidine derivative having sulfonyl groups or a sulfonyl group substituted by a substituted or non-substituted amino group or an alkyl group at the 2- and/or 6-position. The pyrimidine derivative is useful as a platelet aggregation inhibiting agent.
摘要:
3,15-Dilower alkyl prostaglandin E.sub.2 derivatives and 3,15-dilower alkyl prostaglandin D.sub.2 derivatives are disclosed. These compounds have antigastric ulcer activity without undesirable side effects to intestinal organs.
摘要:
A 20-alkoxy-16-alkyl-prostadienoic acid derivative shown by the formula ##STR1## wherein A represents ##STR2## R and R.sup.5, which may be the same or different, each represents a hydrogen atom or a lower alkyl group; and R.sup.1 and R.sup.4, which may be the same or different, each represents a lower alkyl group,And the pharmacologically acceptable nontoxic salts thereof.The compounds have excellent effects as prostaglandin E.sub.2 and prostaglandin F.sub.2.alpha..
摘要:
There are disclosed 20-alkoxy-16-alkyl-prostadienoic acid derivatives of the formula: ##STR1## wherein A represents ##STR2## R and R.sup.5, which may be the same or different, each represents a hydrogen atom or a lower alkyl group; and R.sup.1 and R.sup.4, which may be the same or different, each represents a lower alkyl group, and the pharmaceutically acceptable non-toxic salts thereof. These compounds have excellent pharmacological effects as prostaglandin E.sub.2 and prostaglandin F.sub.2.alpha..