methyl O-(3,6-di-O-benzyl-4-O-chloroacetyl-2-O-p-methylbenzoyl-α-D-mannopyranosyl)-(1->4)-O-(3,6-di-O-benzyl-2-O-p-methylbenzoyl-α-D-mannopyranosyl)-(1->4)-3,6-di-O-benzyl-2-O-p-methylbenzoyl-1-thio-α-D-mannopyranoside 在
硫脲 作用下,
以
乙醇 为溶剂,
反应 3.0h,
以89%的产率得到methyl O-(3,6-di-O-benzyl-2-O-p-methylbenzoyl-α-D-mannopyranosyl)-(1->4)-O-(3,6-di-O-benzyl-2-O-p-methylbenzoyl-α-D-mannopyranosyl)-(1->4)-3,6-di-O-benzyl-2-O-p-methylbenzoyl-1-thio-α-D-mannopyranoside