tert-Butyl-[3-(3-tert-butyl-4,4-dimethyl-4,5-dihydro-furan-2-ylethynyl)-phenoxy]-dimethyl-silane 在
rose bengal (adsorbed on silica gel)
氧气 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以90%的产率得到tert-Butyl-[3-(5-tert-butyl-4,4-dimethyl-2,6,7-trioxa-bicyclo[3.2.0]hept-1-ylethynyl)-phenoxy]-dimethyl-silane