Beta-lactamase inhibitor and process for preparing the same

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专利权人:

发明人:

Takao Abe,Takeshi Furuuchi,Yoshiaki Sakamaki,Seiichi Inamura,Akihiro Morinaka

申请号：

US15583238

公开号：

US10023573B2

申请日:

2017.05.01

申请国别(地区):

US

年份:

2018

代理人:

摘要：

A process for preparing a diazabicyclooctane compound represented by the following formula (I):wherein A represents RcO— B represents NH or NC1-6 alkyl C represents a benzyl group Rc represents a C1-6 alkyl group A is substituted with one substituent Fn1, wherein Fn1 represents an azetidine group the process including: (a) silylating the compound represented by the following formula (IV-c):wherein in the formula (IV-c), OBn represents benzyloxy, and (b) carrying out an intramolecular urea formation reaction.

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