(E)-(5R,7R)-8-Bromo-5,7-bis-(tert-butyl-dimethyl-silanyloxy)-nona-2,8-dienoic acid ethyl ester 在
Pd(PPh
3)(OAc)2
potassium carbonate 作用下,
以
乙腈 为溶剂,
以71%的产率得到ethyl (2E)-2-[(3R,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]acetate