methyl (2S)-2-(tert-butoxy)-2-[(22S)-4,17,22,28-tetramethyl-21,27-dioxa-1,5,7,8-tetraazahexacyclo[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 、
三氟乙酸 在
ethyl acetate n-hexane 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以to afford methyl (2S)-2-hydroxy-2-[(22S)-4,17,22,28-tetramethyl-21,27-dioxa-1,5,7,8-tetraazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15 (20),16,18-decaen-3-yl]acetate (60 mg, 0.100 mmol, 74.6% yield) as viscous oil的产率得到methyl (2S)-2-hydroxy-2-[(22S)-4,17,22,28-tetramethyl-21,27-dioxa-1,5,7,8-tetraazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15 (20),16,18-decaen-3-yl]acetate