(S)-1-{1-[(dimethylcarbamoyl)cyclopentyl]carbamoyl}-2-phenylethyl 1-({(S)-2-[1-({[(S)-2-hydroxypropanoyl]amino}cyclopentyl)carbonyloxy]-3-phenylpropanoyl}amino)cyclopentane-1-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
盐酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 0.07h,
                                                                                                                以33%的产率得到6,12-dibenzyl-18-methyl-3,3,9,9,15,15-tris(tetramethylene)-1,7,13-trioxa-4,10,16-triazacyclooctadecane-2,5,8,11,14,17-hexaone