CORPUS LUTEUM CONTRACTOR OR UTEROTONIC AGENT CONTAINING PROSTAGLANDIN F2 ANALOG

摘要

1521747 Cyclodextrin clathrates of prostaglandin derivatives ONO PHARMACEUTICAL CO Ltd 10 Aug 1976 [20 Aug 1975 22 Oct 1975] 34688/75 and 43464/75 Heading C3U [Also in Division C2] The invention comprises cyclodextrin clathrates of 2,3-didehydroprostaglandins of the formula wherein B is O or S; R1 and R2 each are H, halogen, CF3, C1-4 alkyl or C1-4 alkoxy; R is COOR3 or CH2OR4, where R3 is H or C1-12 alkyl and R4 is H or C2-5 alkanoyl and A is a grouping of the formula and their preparation by known methods.