1,2,7-trihydroxycycloundecane 、 alkaline earth salt of/the/ methylsulfuric acid 在
三苯基膦 、
偶氮二甲酸二乙酯 、
碘甲烷 作用下,
生成 (3aR,12aR)-8-Iodo-2,2-dimethyl-decahydro-1,3-dioxa-cyclopentacycloundecene 、 (3aR,8R,12aS)-8-Iodo-2,2-dimethyl-decahydro-1,3-dioxa-cyclopentacycloundecene 、 (3aR,8S,12aS)-8-Iodo-2,2-dimethyl-decahydro-1,3-dioxa-cyclopentacycloundecene