Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 each are independently hydrogen or phenyl, provided that R.sup.1 and R.sup.2 may not both be hydrogen; m is an integer from 3 to 9; n is an integer from 0 to 3 and the sum of m+n is an integer from 5 to 12; Z is O, S, SO, SO.sub.2, --CH.dbd.CH-- or a direct bond; A is ##STR2## R.sup.3 is hydrogen or C.sub.1-6 alkyl; and R.sup.4 is hydrogen, C.sub.1-4 alkyl or methylsulfonyl; and pharmaceutically acceptable salts or hydrates thereof are novel inhibitors of adenosine diphosphate and collagen-induced aggregation of human platelet-rich plasma and are particularly useful as inhibitors of mammalian blood platelet aggregation.
公式为##
STR1##的化合物,其中R.sup.1和R.sup.2各自独立地为
氢或
苯基,前提是R.sup.1和R.sup.2不能都为
氢;m是3到9的整数;n是0到3的整数,m+n的和是5到12的整数;Z为O、S、SO、SO.sub.2、--CH.dbd.CH--或直接键;A为##
STR2##;R.sup.3为
氢或C.sub.1-6烷基;R.sup.4为
氢、C.sub.1-4烷基或甲磺酰基;以及其药学上可接受的盐或
水合物是人血小板富集血浆中
腺苷酸二
磷酸和胶原诱导聚集的新型
抑制剂,特别是哺乳动物血小板聚集的
抑制剂。