Tinant, B.; Declercq, J. P.; Bideau, F. Le, Bulletin des Societes Chimiques Belges, 1997, vol. 106, # 4, p. 231 - 232
作者:Tinant, B.、Declercq, J. P.、Bideau, F. Le、Ghosez, L.
DOI:——
日期:——
Tinant, B.; Declercq, J. P.; Bideau, F. Le, Bulletin des Societes Chimiques Belges, 1997, vol. 106, # 4, p. 233 - 234
作者:Tinant, B.、Declercq, J. P.、Bideau, F. Le、Ghosez, L.
DOI:——
日期:——
Synthesis of enantiomerically pure α-amino-β-hydroxy-cyclobutanone derivatives and their transformations into polyfunctional three- and five-membered ring compounds
作者:Léon Ghosez、Gaoqiang Yang、José Renato Cagnon、Franck Le Bideau、Jacqueline Marchand-Brynaert
DOI:10.1016/j.tet.2004.06.085
日期:2004.8
pure bicyclic cyclobutanones. The cycloadditions proceeded with unusual regiochemistry giving predominantly or exclusively protected α-amino-β-hydroxycyclobutanone derivatives. The adducts could be converted into a variety of interesting enantiopure intermediates equipped with many functional groups: α-amino-β-hydroxy cyclopropane carboxylicacid derivatives, α-amino-β-hydroxy succinic acid derivatives
Unusual regiochemistry of cycloaddition of ketenes to (R)-2-tert-butyldihydrooxazole derivatives. A simple route towards enantiomerically pure functionalised α-aminocyclobutanones
作者:JoséRenato Cagnon、Franck Le Bideau、Jacqueline Marchand-Brynaert、Léon Ghosez
DOI:10.1016/s0040-4039(97)00364-x
日期:1997.3
Ketenes have been found to cycloadd with (R)-2-tert-Butyldihydrooxazole 1 and 2 to yield predominantly regioisomers 4 resulting from steric control rather than electronic control. The cycloadditions provide a practical route to enantiomerically pure protected 2-amino-3-hydroxycyclobutanones.