New stereochemical outcomes in the cycloaddition of acid halides or equivalents to cinnamylideneamines: A concise new approach to 4-acetoxyazetidin-2-ones.
New stereochemical outcomes in the cycloaddition of acid halides or equivalents to cinnamylideneamines: A concise new approach to 4-acetoxyazetidin-2-ones.
N,N-Dimethylphosphoramidic dichloride: a convenient reagent for the preparation of β-lactams from acetic acids and imines
作者:Fernando P Cossío、Iñaki Ganboa、Jesús M García、Begoña Lecea、C Palomo
DOI:10.1016/s0040-4039(00)96016-7
日期:1987.1
A convenient reagent for the preparation of β-lactams from aceticacids and imines is described. A new route to α-keto-β-lactams from 3-bis(ethylthio)β-lactams is also reported. Reaction of 4-acethyl-β-lactams with diazomethane is also made.
Reagents and synthetic methods. Part 67. Preparation of 4-unsubstituted .beta.-lactams from 4-acetoxyazetidin-2-ones. A formal approach to monobactams and nocardicins
作者:Ana Arrieta、Begona Lecea、Fernando P. Cossio、Claudio Palomo
DOI:10.1021/jo00251a023
日期:1988.8
COSSIO, FERNANDO P.;GANBOA, INAKI;GARCIA, JESUS M.;LECEA, BEGONA;PALOMO, +, TETRAHEDRON LETT., 28,(1987) N 17, 1945-1948
作者:COSSIO, FERNANDO P.、GANBOA, INAKI、GARCIA, JESUS M.、LECEA, BEGONA、PALOMO, +
DOI:——
日期:——
ARRIETA, ANA;LECEA, BEGONA;COSSIO, FERNANDO P.;PALOMO, CLAUDIO, J. ORG. CHEM., 53,(1988) N 16, C. 3784-3791
作者:ARRIETA, ANA、LECEA, BEGONA、COSSIO, FERNANDO P.、PALOMO, CLAUDIO