| 摘要 |
Tricyclic cyanoepoxides of the formula WHEREIN R12 is R13 ¦(1) -C-CgH2g-CH3 ¦ R14 -CH2C2H5(2) ANGLE C=C ANGLE HH or WHEREIN CgH2g, R13, R14, s, T, Z, and DIFFERENCE are as defined hereinafter; WHEREIN R21 is a blocking group as defined hereinafter; and TOGETHER WITH PROCESSES FOR PREPARING THEM. The cyanoepoxides are useful intermediates in preparing prostaglandins and prostaglandin analogs having pharmacological utility. |
