4,8-di-tert-butyl-6-chloro-2,10-dimethoxy-5,7,6-dioxaphosphadibenzo[a,c]cycloheptene 、
(S)-6,6-dimethyl-2-phenyl-4,5,6,7-tetrahydro-benzooxazol-4-ol 在
吡啶 作用下,
以
甲苯 为溶剂,
以58%的产率得到(S)-4-((4,8-di-tert-butyl-2,10-dimethoxydibenzo[d,f][1,3,2]dioxaphosphepin-6-yl)oxy)-6,6-dimethyl-2-phenyl-4,5,6,7-tetrahydrobenzo[d]oxazole