反应详情

A solution of 6,7-bis(12-phenyldodecanoyloxy)-4-thiaheptanoic acid t-butyl ester as obtained in Reference Example 33 (1.22 g) in dichloromethane (2 ml)-trifluoroacetic acid (6 ml) was stirred at room temperature for 2 hours, after which the solvent was distilled off under reduced pressure, to yield the title compound (1.12 g, yield 99%) as a colorless oily substance.

1. distillationafter which the solvent was distilled off under reduced pressure