Compounds of the formula ##STR1## wherein R.sup.1 is a straight or branched chain alkynyl group containing from 3 to 9 carbon atoms, inclusive; R.sup.2 and R.sup.3 are the same or different and are hydrogen, (lower)alkyl, (lower)alkenyl, (lower)alkynyl or Ar; R.sup.4 is hydrogen or (lower)alkyl; n is an integer of from 1 to 6; p is 1 or 2 and q is 2 or 3, provided that the sum of p and q is 3 or 4; X is NR.sup.5 or CHR.sup.5 ; R.sup.5 is cyano, nitro, SO.sub.2 Ar or SO.sub.2 (lower)alkyl; and Ar is an optionally substituted phenyl group; and nontoxic, pharmaceutically acceptable salts thereof, are potent anti-ulcer agents. Processes for their preparation and novel intermediates are also disclosed.
化合物的公式为##
STR1##其中R.sup.1是含有3至9个
碳原子的直链或支链炔基基团; R.sup.2和R.sup.3相同或不同,可以是
氢、(低)烷基、(低)
烯基、(低)炔基或Ar; R.sup.4是
氢或(低)烷基; n是1至6的整数; p为1或2,q为2或3,前提是p和q的和为3或4; X为NR.sup.5或CHR.sup.5; R.sup.5为
氰基、硝基、SO.sub.2 Ar或SO.sub.2 (低)烷基; Ar为可选的取代
苯基;以及其无毒、药学上可接受的盐,是有效的抗溃疡剂。还公开了其制备过程和新的
中间体。