diethyl (2-(isopropylamino)-2-oxoethyl)phosphonate 、 (E)-3-[(3S,6S,9R,10R,11S,12S,13E,15E,18S)-10,12-dihydroxy-3-[(3-hydroxyphenyl)methyl]-11-methyl-2,5,8,20-tetraoxo-9-(3-oxobutyl)-6-propan-2-yl-19-oxa-1,4,7,25-tetrazabicyclo[19.3.1]pentacosa-13,15-dien-18-yl]but-2-enal 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以38%的产率得到(2E,4E)-5-[(3S,6S,9R,10R,11S,12S,13E,15E,18S)-10,12-dihydroxy-3-[(3-hydroxyphenyl)methyl]-6-isopropyl-11-methyl-2,5,8,20-tetraoxo-9-(3-oxobutyl)-19-oxa-1,4,7,25-tetrazabicyclo[19.3.1]pentacosa-13,15-dien-18-yl]-N-isopropyl-hexa-2,4-dienamide