乙酸酐 、
(1S,12R,15S,23S)-12-methyl-23-prop-2-enyl-3,11,14,16-tetrazahexacyclo[12.10.0.02,11.04,9.015,23.017,22]tetracosa-2,4,6,8,17,19,21-heptaene-10,13-dione 在
N,N-二异丙基乙胺 作用下,
反应 36.0h,
生成 (1S,12R,15R,23S)-16-acetyl-12-methyl-23-prop-2-enyl-3,11,14,16-tetrazahexacyclo[12.10.0.02,11.04,9.015,23.017,22]tetracosa-2,4,6,8,17,19,21-heptaene-10,13-dione