(3-amino-O1,O2;O5,O6-diisopropylidene-α-D-allofuranos-3-yl)-diazo-acetic acid methyl ester                                                                                                                                                                                                                                                                                                          生成                                                 (2
S)-5'
c'-((
R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2',2'-dimethyl-(2
rC5',3'a
c',6'
r'
N,6'a
c')-dihydro-spiro[aziridine-2,6'-furo[2,3-
d][1,3]dioxole]-3
c-carboxylic acid methyl ester