Prostaglandin I.sub.2 analogues of the formula: ##STR1## [wherein Y represents ethylene or trans-vinylene, R.sup.1 represents hydrogen, alkyl of 1 to 12 carbon atoms, aralkyl of 7 to 12 carbon atoms, cycloalkyl of 4 to 7 carbon atoms optionally substituted by at least one alkyl group containing from 1 to 4 carbon atoms, phenyl unsubstituted or substituted by at least one chlorine atom, trifluoromethyl group, alkyl group containing from 1 to 4 carbon atoms or phenyl group, a --C.sub.m H.sub.2m COOR.sup.4 group (wherein m is an integer from 1 to 12 and R.sup.4 represents alkyl of 1 to 4 carbon atoms), a C.sub.n H.sub.2n OR.sup.5 group (wherein n is an integer from 2 to 12 and R.sup.5 represents hydrogen or alkyl of 1 to 4 carbon atoms), or a ##STR2## (wherein n is as hereinbefore defined and R.sup.6 and R.sup.7 each represent alkyl of 1 to 4 carbon atoms), R.sup.2 represents hydrogen, methyl or ethyl, X represents a --C.sub.p H.sub.2p --group (wherein p is an integer from 2 to 8) or a ##STR3## (wherein R.sup.8 represents a single bond, or alkylene of 1 to 4 carbon atoms, R.sup.9 represents a single bond or alkylene of 1 to 8 carbon atoms, and q is an integer from 3 to 6), R.sup.3 represents chlorine or fluorine, the wavy line attached to the carbon atoms in positions 11 and 15 represents .alpha.- or .beta.-configuration or mixtures thereof, and the double bond between C.sub.5 -C.sub.6 is Z] and cyclodextrin clathrates thereof and, when appropriate non-toxic salts, including acid addition salts, thereof, are new compounds possessing prostaglandin-like activity.
公式为:##STR1##的
前列腺素I.sub.2类似物[其中Y代表
乙烯或反式
乙烯基,R.sup.1代表氢,1至12个碳原子的烷基,7至12个碳原子的芳基烷基,4至7个碳原子的环烷基,可选地被含有1至4个碳原子的至少一个烷基基团取代,未取代或被至少一个
氯原子,三
氟甲基基团,含有1至4个碳原子的烷基基团或苯基取代的苯基,--C.sub.m H.sub.2m COOR.sup.4基团(其中m为1至12的整数,R.sup.4代表1至4个碳原子的烷基),C.sub.n H.sub.2n OR.sup.5基团(其中n为2至12的整数,R.sup.5代表氢或1至4个碳原子的烷基),或##STR2##(其中n如前所述,R.sup.6和R.sup.7各代表1至4个碳原子的烷基),R.sup.2代表氢,甲基或乙基,X代表--C.sub.p H.sub.2p --基团(其中p为2至8的整数)或##STR3##(其中R.sup.8代表单键或1至4个碳原子的亚烷基,R.sup.9代表单键或1至8个碳原子的亚烷基,q为3至6的整数),R.sup.3代表
氯或
氟,附加在11和15位置碳原子上的波浪线代表.alpha.-或.beta.-构型或其混合物,C.sub.5 -C.sub.6之间的双键为Z]及其
环糊精包合物,以及适当的非毒性盐,包括酸加盐,均为具有类似
前列腺素活性的新化合物。