申请人:ELI LILLY AND COMPANY
公开号:EP0004753A1
公开(公告)日:1979-10-17
Reaction of a 5-substituted resorcinol of the formula
wherein R is C5-C10 alkyl, C5-C10 alkenyl, C5-C8 cycloalkyl, or C5-C8 cycloalkenyl, with 4-(1-hydroxy-1-methylethyl)-3-cyclohexen-1-one, provides a 2,7-dihydroxy-5-isopropylidene-9-substituted-2,6-methano-3,4,5,6-tetrahydro-2H-1-benzoxocin of the formula II or a 6a, 10a-cis- hydroxy-3-substituted-6,6-dimethyl-6,8a,7,8,10,10a-hexahydro-9H-dibenzo[b,d]pyran-9-one having the formula I.
将式中 R 为 C5-C10 烷基、C5-C10 烯基、C5-C8 环烷基或 C5-C8 环烯基的 5-取代间苯二酚与 4-(1-羟基-1-甲基乙基)-3-环己烯-1-酮反应,可得到式 II 的 2,7-二羟基-5-异亚丙基-9-取代-2,6-甲桥-3,4,5,6-四氢-2H-1-苯并氧杂环己烷或式 I 的 6a,10a-顺羟基-3-取代-6,6-二甲基-6,8a,7,8,10,10a-六氢-9H-二苯并[b,d]吡喃-9-酮。