申请人:Eli Lilly and Company
公开号:US04148809A1
公开(公告)日:1979-04-10
Reaction of a 5-substituted resorcinol with a 1-alkoxy-4-(1-hydroxy-1-methylethyl)-1,4-cyclohexadiene in the presence of a suitable catalyst affords the corresponding dl-cis-1-hydroxy-3-substituted-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro-9H-d ibenzo[b,d]pyran-9-one.
在适当催化剂的存在下,5-取代间苯二酚与1-烷氧基-4-(1-羟基-1-甲基乙基)-1,4-环己二烯反应,得到相应的dl-顺式-1-羟基-3-取代-6,6-二甲基-6,6a,7,8,10,10a-六氢-9H-二苯并[b,d]吡喃-9-酮。