申请人:Smith Kline & French Laboratories Limited
公开号:US04584381A1
公开(公告)日:1986-04-22
Compounds of the formula: ##STR1## where R.sup.1 is halogen or nitro; R.sup.2 is C.sub.1-4 alkyl; and R.sup.3 is a C.sub.1-3 alkylene group are intermediates to 2-(3,5-disubstituted pyridyl-alkyl amino)-5-pyridylmethyl-4-pyrimidone derivatives which are useful as histamine H.sub.1 -antagonists.
分子式为##STR1##的化合物,其中R.sup.1是卤素或硝基; R.sup.2是C.sub.1-4烷基; R.sup.3是C.sub.1-3烷基,是2-(3,5-二取代吡啶基-烷基氨基)-5-吡啶甲基-4-嘧啶酮衍生物的中间体,可用作组胺H.sub.1-拮抗剂。