(4S)-2-isopropyl-4-<4'-<(4''R)-4''-methoxycarbonyl-4''-methyl-4'',5''-dihydrothiazol-2''-yl>thiazol-2'-yl>-4-methyl-4,5-dihydrothiazole                                                                                                                                                              在
                                                                                                                                                                                 
ammonium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以189 mg的产率得到(4S)-4-<4'-<(4''R)-4''-aminocarbonyl-4''-methyl-4'',5''-dihydrothiazol-2''-yl>thiazol-2'-yl>-2-isopropyl-4-methyl-4,5-dihydrothiazole