Bicyclic heteroaromatic compounds as protein tyrosine kinase inhibitors
US8513262B2 · kind B2 · utility
3Cited by
16References
9Claims
0Family size
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Key dates
| Filing date | Jan 22, 2010 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Oct 22, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for the preparation of a compound of formula (I)comprising the steps:(a) reacting a compound of formula (II)wherein L and L′ are suitable leaving groups,with a compound of formula (III)UNH2 (III)to prepare a compound of formula (IV)and subsequently (b) substituting the group R1 by replacement of the leaving group L′.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.