Cossu S., Giacomelli G., Conti S., Falorni M., Tetrahedron, 50 (1994) N 17, S 5083-5090
作者:Cossu S., Giacomelli G., Conti S., Falorni M.
DOI:——
日期:——
Unusual reactivity of 4-carboxyamido-2-oxazoline systems: new synthesis of optically active n-sulphonyl derivatives.
作者:S. Cossu、G. Giacomelli、S. Conti、M. Falorni
DOI:10.1016/s0040-4020(01)90418-1
日期:1994.4
enantiomeric pure α-amino-β-hydroxy acids, react with aryl- and alkyl sulphonyl chlorides in pyridine affording the corresponding optically active 2-alkyl-2-oxazoline-4-carboxyamido-N-sulphonyl derivatives without appreciable racemization.