Characterisation and X-ray crystallography of products from the Bucherer–Bergs reaction of methyl 2,3-O-isopropylidene-α-d-lyxo-pentodialdo-1,4-furanoside
作者:Júlia Mičová、Bohumil Steiner、Miroslav Koóš、Vratislav Langer、Dalma Gyepesová
DOI:10.1016/s0008-6215(03)00307-0
日期:2003.9
furanosiduronamide [methyl (5R)-5-deoxy-2,3-O-isopropylidene-5-ureido-alpha-D-lyxo-hexofuranosiduronamide (5), and (4S,5S,6R)-5,6-dihydro-6-hydroxy-4,5-isopropylidenedioxy-4H-pyrido[2,1-e]imidazolidine-2',4'-dione [IUPAC name: (3aS,4R,8aS)-4-hydroxy-2,2-dimethyl-3a,8a-dihydro-4H-1,3-dioxa-4a,6-diaza-s-indacene-5,7-dione] (6), instead of the expected hydantoin derivative, were obtained from the Bucherer-Bergs
甲基2,3-O-异亚丙基-α-D-mannofuranosidurononitrile[替代名称:甲基(5R)-5-C-氰基-2,3-O-异亚丙基-α-D-呋喃呋喃糖苷](2),甲基2, 3-O-异亚丙基-α-D-mannofuranosiduronamide[甲基(5S)-5-C-氨基甲酰基-2,3-O-异亚丙基-α-D-呋喃糖苷;甲基(5S)-2,3-O-异亚丙基-α-D-lyxo-六呋喃型十二碳四烯酰胺](3),甲基2,3-O-异亚丙基-α-D-甘露糖呋喃二糖醛酸[甲基(5S)-2,3- O-异亚丙基-α-D-lyxo-呋喃并呋喃糖醛糖醛酸](4),甲基5-deoxy-2,3-O-isopropylidene-5-ureido-beta-L-gulufuranosiduronamide [methyl(5R)-5-deoxy-2 ,(3-O-异亚丙基-5-脲基-α-D-lyxo-六呋