在
                                                                                                                                                                                 
水   、                                                                                                  lithium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以19 mg的产率得到(4S,7S,10S,13S,21S,24S,27S,30S)-6,23-bis[(2S)-3,3-dimethyl-2-[[(2S)-2-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]propanoyl]amino]butanoyl]-10,27-bis(naphthalen-2-ylmethyl)-2,8,11,19,25,28-hexaoxo-3,6,9,12,20,23,26,29-octazapentacyclo[30.2.2.215,18.14,7.121,24]tetraconta-1(35),15,17,32(36),33,38-hexaene-13,30-dicarboxylic acid