Bis(2-adamantyl) 2-(4-methoxyphenyl)cyclopropane-1,1-dicarboxylate 、
(5-bromo-3H-inden-1-yl)oxy-tert-butyl-diphenylsilane 在
copper(II) perchlorate hexahydrate 、
(4S)-4-propan-2-yl-2-[2-[(4S)-4-propan-2-yl-4,5-dihydro-1,3-oxazol-2-yl]-1-(3,4,5-trimethoxyphenyl)propan-2-yl]-4,5-dihydro-1,3-oxazole 作用下,
以
二氯甲烷 为溶剂,
以98%的产率得到bis(2-adamantyl) (3R,3aR,8bR)-6-bromo-8b-[tert-butyl(diphenyl)silyl]oxy-3-(4-methoxyphenyl)-2,3,3a,4-tetrahydrocyclopenta[a]indene-1,1-dicarboxylate