Desformoterol and process for its preparation
US5965622A · kind A · utility
14Cited by
0References
31Claims
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Assignee
Inventor
Key dates
| Filing date | Jun 23, 1998 |
| Grant date | Oct 12, 1999 |
| Priority date | — |
| Expiry date | Jun 23, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The (R,R)-, (S,S)-, (R,S)-, (R,S)- isomers of 3-amino-4-hydroxy-.alpha.-[[[2-(4-methoxyphenyl)-1-methylethyl]amino]methy l]-benzenemethanol (D) ##STR1## are disclosed, as well as an efficient method for their stereoselective synthesis. A method and composition are also disclosed utilizing desformoterol (D) as a bronchodilator, having high selectivity for .beta..sub.2 receptors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.