Acetic acid (Z)-(S)-3-{(2R,3R,5S,6S)-6-[(2E,4E)-5-((3R,4R,5R,7R)-7-iodomethyl-4-triethylsilanyloxy-1,6-dioxa-spiro[2.5]oct-5-yl)-3-methyl-penta-2,4-dienyl]-2,5-dimethyl-tetrahydro-pyran-3-ylcarbamoyl}-1-methyl-allyl ester 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 60.0h,
生成 Acetic acid (Z)-(S)-3-{(2R,3R,5S,6S)-2,5-dimethyl-6-[(2E,4E)-3-methyl-5-((3R,4R,5R)-7-methylene-4-triethylsilanyloxy-1,6-dioxa-spiro[2.5]oct-5-yl)-penta-2,4-dienyl]-tetrahydro-pyran-3-ylcarbamoyl}-1-methyl-allyl ester