The present invention is directed to a process for the displacement of the acetoxy group of a cephalosporanic acid by a sulfur nucleophile, in an organic solvent and under essentially anhydrous conditions.
本发明涉及一种在有机溶剂和基本无水条件下,通过硫亲核试剂取代头孢菌酸中的乙酰氧基的过程。
Preparation of Aryl and 2,2,2-Trihaloethyl Dihydrogen Phosphates
作者:G. R. OWEN、C. B. REESE、C. J. RANSOM、J. H. van BOOM、J. D. H. HERSCHEID