ethan-1,2-diylbis(bis(sulfanediyl))bis(ethan-2,1-diyl) bis(4-methylbenzenesulfonate) 、
bis-1,5-[methyl-2,3-di-O-benzyl-6-deoxy-6-tosylamino-4-yloxy-α-D-glucopyranoside]-(3-oxapentane) 在
caesium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 120.0h,
以38%的产率得到cyclo-(N,N')-1,8-{bis-1,5-[methyl-2,3-di-O-benzyI-6-deoxy-6-tosylamino-4-yloxy-α-D-glucopyranoside]-(3-oxapentane)}-(3,6-dithia-octane)