Beta-lactamase inhibitor and process for preparing the same
US10023573B2 · kind B2 · utility
6Cited by
24References
2Claims
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Key dates
| Filing date | May 1, 2017 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | May 1, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.