Method for the separation of intermediates which may be used for the preparation of escitalopram
US8067640B2 · kind B2 · utility
0Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2010 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | May 17, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a novel method for the preparation of diol intermediates having the formula (II) and/or the opposite enantiomer of an acylated diol having the formula (IV) useful for the preparation of escitalopram involving selective enzymatic acylation or deacylation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.