(E)-(6R,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-2,6-dimethyl-5-oxo-dodec-2-en-11-ynoic acid (R)-1-allyloxycarbonyl-3-methyl-butyl ester 在
4-二甲氨基吡啶 、 sodium tetrahydroborate 、
2,4,6-三氯苯甲酰氯 、
N,N-二异丙基乙胺 作用下,
以
甲醇 、
苯 为溶剂,
反应 1.0h,
生成 (E)-(5S,6S,7R)-7-(tert-Butyl-dimethyl-silanyloxy)-5-((S)-2-{[(2S,3R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methyl-pentanoyl]-methyl-amino}-propionyloxy)-2,6-dimethyl-dodec-2-en-11-ynoic acid (R)-1-allyloxycarbonyl-3-methyl-butyl ester