作者:Malcolm M. Campbell、Bernard P. Connarty、John Kemp、Stephen J. Ray
DOI:10.1039/c39820000748
日期:——
The reaction of N2O3 with 2,2,2-trichloroethyl 3-methyl-7β-phenoxyacetamidoceph-3-em-4-carboxylate gives by a new reaction mode, 2,2,2-trichloroethyl 4α-hydroxy-3α-methyl-3β-nitro-7β-phenoxyacetamidocepham-4-carboxylate, the structure and stereochemistry of which were elucidated by 400 MHz n.m.r. and difference nuclear Overhauser enhancement spectroscopy.
N的反应2 ö 3用2,2,2-三氯乙基3-甲基-7- β -phenoxyacetamidoceph -3-头孢-3-烯-4-甲酸叔丁酯给出了一种新的反应模式,2,2,2-三氯4α羟基3α甲基-3- β硝基7 β -phenoxyacetamidocepham -4-羧酸甲酯,其结构和立体化学这些都是由400兆赫核磁共振和差核Overhauser增强光谱阐明。