| 摘要 |
<p>This invention describes novel 4,5-seco-steroids having the formula wherein A is -C=CH, -CH=CH2, -CH2CH3, or -?CH3; X1 is hydrogen, chlorine, bromine, or fluorine; R1 is hydrogen, hydroxyl, -O?-R2, chlorine, bromine, fluorine or iodine; R2 is lower alkyl; P is hydrogen, lower alkyl, or aryl; Q is lower alkyl or aryl; Y is hydrogen and Y' is hydroxyl or together Y and Y' are =O and a process for preparing these compounds which are useful as anti-inflammatory agents.</p> |
