Patent · US Expired

Crystalline carbapenem intermediate

US7482445B2 · kind B2 · utility

0Cited by
2References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 2004
Grant dateJan 27, 2009
Priority date
Expiry dateAug 15, 2025

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to crystals of compounds of formula (I), wherein TBS represents t-butyldimethylsilyl, and Ph represents phenyl, or its salt or solvate. Compounds of formula (I) are synthesis intermediates of 2-substituted-1β-methyl carbapenem compounds useful as antimicrobial agents. The crystals of the present invention have excellent handleability and can realize the production of carbapenem compounds having excellent antimicrobial activity in a simpler manner with improved yield and purity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.