(1'R,2R,2'S,6R)-methanesulfonic acid 4-[benzyl-{6-(2'-phenylmethoxy-1'-hydroxyheptyl)-1-[3-(toluene-4-sulfonylamino)propyl]-1,2,3,6-tetrahydropyridin-2-yl}amino]butyl ester 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
以70%的产率得到(1'R,4R,2'S,15aR)-13-benzyl-4-(2'-phenylmethoxy-1'-hydroxy-heptyl)-8-(toluene-4-sulfonyl)-1,4,6,7,8,9,10,11,12,13,15,15a-dodecahydro-5H-4a,8,13-triaza-benzocyclotridecen-14-one