Intermediates, process for preparing macrolide antibiotic agent therefrom
US6600025B1 · kind B1 · utility
1Cited by
1References
8Claims
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Key dates
| Filing date | Sep 6, 2001 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Sep 6, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An erythromycin A 9-O-benzodithiol oxime intermediate represented by the following formula (III) useful for synthesis of clarthromycin and crystalline solvate thereof: Wherein, Y1 and Y2 are independently a hydrogen atoms or trimethylsilyl groups. And, a process for the preparation of clarithromycin using the erythromycin A 9-O-benzodithiol oxime intermediate as described in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.