描述:
[(3R,4S,5S,6R)-3-methoxycarbonyloxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl] 2,2,2-trifluoro-N-phenylethanimidate 、 Carbonic acid allyl ester (2R,3S,4R,5R,6S)-2-benzyloxymethyl-6-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-5-(2,2,2-trichloro-ethoxycarbonylamino)-tetrahydro-pyran-4-yl ester 在
4 A molecular sieve 作用下,
以
various solvent(s) 为溶剂,
反应 48.0h,
以76%的产率得到