Processes for preparing a diazabicyclooctane compound
US10556905B2 · kind B2 · utility
5Cited by
24References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2018 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | May 8, 2038 |
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.