diethyl (2R,3R)-2,3-bis(prop-2-enoxy)butanedioate 生成
(1'S,2S,5'R,8'S)-2-(3',7'-Dioxa-2'-azabicyclo[3.3.0]octan-8'-yl)-3-oxahex-5-en-1-ol 、 (3aR,6S,6aS,3'aR,6'S,6'aS)-Octahydro-[6,6']bi[furo[3,4-c]isoxazolyl] 、 (2S,4S,7S,8S,11S,14R)-3-hydroxy-4-methyl-6,9,13-trioxa-1,3-diazatetracyclo[6.5.1.02,7.011,14]tetradecane 、
ethyl (2R)-2-[(3aR,6S,6aS)-1,3,3a,4,6,6a-hexahydrofuro[3,4-c][1,2]oxazol-6-yl]-2-prop-2-enoxyacetate