(2-benzyl-1,3-thiazol-4-yl)acetic acid 、 methyl (1s,2’S,4S)-4-[(3-chlorophenyl)(trifluoroacetyl)amino]-2’-[(2R)-2-methyl-3-{[(5R)-5-methyl-5,6,7,8-tetrahydroquinolin-4-yl]oxy}propyl]-6’-[(piperazin-1-yl)methyl]-2’,3‘-dihydrospiro[cyclohexane-1,1‘-indene]-4-carboxylate 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以100 %的产率得到methyl (1s,2'S,4S)-6'-({4-[(2-benzyl-1,3-thiazol-4-yl)acetyl]piperazin-1-yl}methyl)-4-[(3-chlorophenyl)(trifluoroacetyl)amino]-2'-[(2R)-2-methyl-3-{[(5R)-5-methyl-5,6,7,8-tetrahydroquinolin-4-yl]oxy}propyl]-2',3'-dihydrospiro[cyclohexane-1,1'-indene]-4-carboxylate