2-arylbenzofuran-7-formamide compounds, preparation method and use thereof
US9533965B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 14, 2013 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Apr 8, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D407/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided in the present invention are a 2-arylbenzofuran-7-formamide compound as shown in general formula I or a pharmacologically or physiologically acceptable salt thereof, a preparation method thereof and use thereof in preparing anti-tumour drugs, wherein R1 and R2 are each independently hydrogen, straight or branched chained C1-C4 alkyl, C3-C4 cycloalkyl or saturated 5- or 6-membered heterocyclyl containing oxygen or nitrogen; or R1 and R2 together with N form an unsubstituted or substituted saturated 5- or 6-membered heterocyclyl containing at least one heteroatom, wherein the heteroatom is O, N and S, the substituent is a methyl on N; R3 is a hydrogen atom or a chlorine atom; R4 is a hydrogen atom or a fluorine atom; X is CH, CF or N; and Y is CH, CF or N.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.