A process for the preparation of Acid 6, 6 - methoxy -, B - (2 - (metilfenoxicarbonil) - 2 - (3 - il - penicillanic) acetamido)

摘要

Method for preparing ACID 6, Bab 6 - methoxy -, BBB - 2 - (metilfenoxicarbonil) - 2 - (3 - acetamidopenicilanico Tien - il).Sterified consists of a compound of formula (i) or a Salt thereof with a compound of formula (iii) to obtain ACID 6 - methoxy -, Bab 62 - (metilfenoxicarbonil BBB -) - 2 - (3 - acetamidopenicilanico Tien - il) of formula (i); where you can optionally perform; (i) to separate any Substituent of the amido Group; (ii) separate the blocker RX carboxy Group; (iii) to convert the product into a Salt or the compue hydrolysable Ester Sto of formula (i).