(S)-methyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(2’-(but-3-en-1-yl)[1,1‘-biphenyl]-3-yl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate 、
ethyl acetate n-hexane 在
Hoveyda-Grubbs catalyst second generation 氮气 、 EtOAc hexanes 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 2.0h,
以to give 84 mg of the desired product as a colorless oil的产率得到methyl (2S)-2-(tert-butoxy)-2-[(23Z)-4,27-dimethyl-26-oxa-1,5,7,8-tetraazahexacyclo[25.2.2.1
(6,9).1
(10,14).0
(2,7).0
(15,20)]tritriaconta-2,4,6(33),8,10(32),11,13,15(20),16,18,23-undecaen-3-yl]acetate