diethyl (2R,3R)-2,3-bis(prop-2-enoxy)butanedioate 、 (R)-2-Hydroxyamino-butan-1-ol; hydrochloride 在
4 A molecular sieve 、
二异丁基氢化铝 、
三乙胺 作用下,
生成
(1'S,2S,2''R,5'R,8'S)-2-[2'-(1''-Hydroxybutan-2''-yl)-3',7'-dioxa-2'-azabicyclo[3.3.0]octan-8'-yl]-3-oxahex-5-en-1-ol 、 (R)-2-[(3aR,6S,6aS,3'aR,6'S,6'aS)-1'-((R)-1-Hydroxymethyl-propyl)-octahydro-[6,6']bi[furo[3,4-c]isoxazolyl]-1-yl]-butan-1-ol 、
ethyl (2R)-2-[(3aR,6S,6aS)-1-[(2R)-1-hydroxybutan-2-yl]-3a,4,6,6a-tetrahydro-3H-furo[3,4-c][1,2]oxazol-6-yl]-2-prop-2-enoxyacetate