Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Cefixime Impurity

Cefixime Impurity synthesis

4synthesis methods
-

Yield:33748-00-4 96%

Reaction Conditions:

in methanol; for 1 h;Reflux;

Steps:

3.3 Preparation of compound GVNA

The reaction solution was distilled under vacuum at a controlled temperature of 50 ° C. After recovery of acetone, a white solid was precipitated and filtered. The resulting cake was refluxed in 400 ml of methanol for 1 hour and cooled to 0 ° C. Filtration gave 469.7 g of white compound GVNA (GVNA yield 96%, calculated as GCLH).

References:

CN104045655,2016,B Location in patent:Paragraph 0060