申请人:Warner-Lambert Company
公开号:US05198466A1
公开(公告)日:1993-03-30
Novel compounds of the formula ##STR1## wherein R is hydrogen, a straight or branched alkyl group having from 1 to 8 carbon atoms or benzyl; wherein each of R.sub.1 and R.sub.2 is hydrogen, an aralkyl group, a straight or branched hydrocarbon group having from 1 to 20 carbon atoms and may be saturated or unsaturated, an alkyl group of from 1 to 6 carbon atoms wherein the terminal carbon is substituted, the group --(CH.sub.2).sub.p)--Q wherein p is zero to three and Q is a 5- or 6-membered monocyclic or fused bicyclic heterocycle, phenyl or NR.sub.1 R.sub.2 taken together form a monocyclic heterocyclic ring, and R.sub.3 is phenyl, substituted phenyl, naphthyl, substituted naphthyl, --(CH.sub.2).sub.p --Q wherein p and Q are as defined above, an aralkyl group or a straight or branched hydrocarbon group having from 1 to 20 carbon atoms and being straight or branched.
化合物的新型式为##STR1##其中R为氢、1至8个碳原子的直链或支链烷基或苄基;其中R.sub.1和R.sub.2中的每一个均为氢、芳基烷基、1至20个碳原子的直链或支链烃基,可以是饱和或不饱和的,1至6个碳原子的烷基,其中末端碳被取代,--(CH.sub.2).sub.p)--Q,其中p为零至三,Q为5-或6-成员的单环或融合的双环杂环、苯基或NR.sub.1 R.sub.2共同形成单环杂环,R.sub.3为苯基、取代苯基、萘基、取代萘基、--(CH.sub.2).sub.p --Q,其中p和Q如上所定义,芳基烷基或1至20个碳原子的直链或支链烃基,是直链或支链的。