methyl (2S)-2-(tert-butoxy)-2-[(22S)-17,18-difluoro-5-formyl-4,22,28-trimethyl-21,24,27-trioxa-1,7,34-triazahexacyclo[26.2.2.1
6,
9.1
10,
14.0
2,
7.0
15,
20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18-decaen-3-yl]acetate 、
Dimethylzinc 在
1-甲基-2-哌啶甲醇 作用下,
以
正庚烷 、
甲苯 为溶剂,
反应 2.0h,
以78%的产率得到methyl (2S)-2-(tert-butoxy)-2-[(22S)-17,18-difluoro-5-(1-hydroxyethyl)-4,22,28-trimethyl-21,24,27-trioxa-1,7,34-triazahexacyclo[26.2.2.1
6,
9.1
10,
14.0
2,
7.0
15,
20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18-decaen-3-yl]acetate