192049-49-3Relevant articles and documents
Cefovecin intermediate and preparation method thereof
-
, (2020/10/21)
The invention discloses a cefovecin intermediate and a preparation method thereof. The preparation method comprises the following steps: 1) reacting an intermediate isomer with ozone to obtain an intermediate acetate compound, and 2) reducing the intermed
Intermediate isomer for preparing cefovecin by taking penicillin potassium salt as raw material and preparation method of intermediate isomer
-
, (2020/11/23)
The invention discloses an intermediate isomer for preparing cefovecin by taking penicillin potassium salt as a raw material and a preparation method therefor. An intermediate ring-opening rearrangement material is used as a raw material to perform isomer
Process and ester derivatives useful for preparation of cephalosporins
-
, (2008/06/13)
This invention relates a process for preparing a compound of formula (I) wherein R1 is para-nitrobenzyl or allyl; and X is halo, which is useful to prepare 3-cyclic-ether-substituted cephalosporins, from trimethylphosphinic compounds. This invention also relates to compounds useful in such process.