Synthesis of N-alkoxytrihydroxypiperidine analogs of allopyranose
作者:Lihong Sun、Pan Li、Donald W. Landry、Kang Zhao
DOI:10.1016/0040-4039(96)00068-8
日期:1996.3
Tandem reductive cyclization of O-alkyl oximes provides an efficient method for the preparation of N-alkoxytrihydroxypiperidineanalogs of allopyranose as potential glycosidase inhibitors.
<i>N</i>-Alkoxy Analogues of 3,4,5-Trihydroxypiperidine
作者:Lihong Sun、Pan Li、Nduka Amankulor、Weiping Tang、Donald W. Landry、Kang Zhao
DOI:10.1021/jo971535m
日期:1998.9.1
Two practical procedures are described for the synthesis of the N-alkoxy analogues of 3,4,5-trihydroxypiperidine. The key feature of these methods is the intramolecular N-cyclization of hydroxylamine derivatives which are readily obtained from the reduction of the corresponding oximes. One method is to reductively hydroxyaminate an aldehyde group in the presence of a primary tosylated alcohol which is subsequently cyclized in situ upon neutralization. The intramolecular Mitsunobu coupling of a hydroxylamine with a primary alcohol proved useful for the preparation of compounds which contained the trans diol structure.
TRONCHET, JEAN M. J.;ZOSIMO-LANDOLFO, GUIDO;GALLAND-BARRERA, GRISELDA;DOL+, CARBOHYDR. RES., 204,(1990) C. 145-156
作者:TRONCHET, JEAN M. J.、ZOSIMO-LANDOLFO, GUIDO、GALLAND-BARRERA, GRISELDA、DOL+
DOI:——
日期:——
Some protected O-amino sugars and their derivatives