5,11,17,23-tetra-tert-butyl-25,26,27,28-tetrakis{4'-[1''-O-(2''',3''',4''',6'''-tetra-O-acetyl-α-D-mannopyranosyl)prop-3''-ynyl]benzyloxy}calix[4]arene 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 12.0h,
以71%的产率得到5,11,17,23-tetra-tert-butyl-25,26,27,28-tetrakis{4'-[1''-O-(α-D-mannopyranosyl)prop-3''-ynyl]benzyloxy}calix[4]arene