1,5-bis[(1S,10R)-1-(10-chlorethyl)-5-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-1,2-dihydro-3H-benz[e]indol-3-yl]pentan-1,5-dione 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以44.7 mg的产率得到(-)-1,5-bis[(1S,10R)-1-(10-chlorethyl)-5-(β-D-galactopyranosyl)-1,2-dihydro-3H-benz[e]indol-3-yl]pentan-1,5-dione