|
|||||
|
|
13C NMR spectroscopy of some third-generation cephalosporins, their synthetic intermediaries and reaction byproducts |
|
| Authors: | López Miguel A Rodríguez Zalua González Maritza Tolón Blanca Avila Rizette Rodríguez Juan C Vélez-Castro Hermán Fini Adamo |
| Affiliation: | Centro de Química Farmacéutica, Avenida 200 y 21, Siboney, Playa, CP 16042, Ciudad de La Habana, Cuba. |
| Abstract: | (13)C NMR spectroscopic data for 25 cephalosporin derivatives were assigned by combination of one- and two-dimensional experiments. The effect of the substitution at C-3, C-7 and C-4 acid group positions on the chemical shifts of the cephem nucleus is discussed. |
| Keywords: | NMR 13C NMR chemical shifts cephalosporins |
| 本文献已被 PubMed 等数据库收录！ | |