(2R)-2-methylazetidine hydrochloride 、 4-nitrophenyl ((6
3S,3S,4S,Z)-3-ethoxy-1
1-(2-isopropoxyethyl)-12-(2-((S)-1-methoxyethyl)-5-(4-methylpiperazin-1-yl)pyridin-3-yl)-10,10-dimethyl-5,7-dioxo-6
1,6
2,6
3,6
4,6
5,6
6-hexahydro-1
1H-8-oxa-2(4,2)-thiazola-1(5,3)-indola-6(1,3)-pyridazinacycloundecaphane-4-yl)carbamate 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
以41%的产率得到(2R)-N-((6
3S,3S,4S,Z)-3-ethoxy-1
1-(2-isopropoxyethyl)-1
2-(2-((S)-1-methoxyethyl)-5-(4-methylpiperazin-1-yl)pyridin-3-yl)-10,10-dimethyl-5,7-dioxo-6
1,6
2,6
3,6
4,6
5,6
6-hexahydro-1
1H-8-oxa-2(4,2)-thiazola-1(5,3)-indola-6(1,3)-pyridazinacycloundecaphane-4-yl)-2-methylazetidine-1-carboxamide