Efficient Synthesis of a Benzo[b]furan Building Block
摘要:
Unexpected difficulty in the conversion of a bromobenzofuran to the corresponding formylbenzofuran led us to develop a new synthesis for 5-formylbenzo[b]furan-2-carbonitrile (1).
[EN] POLYCYCLIC HERG ACTIVATORS<br/>[FR] ACTIVATEURS POLYCYCLIQUES DES CANAUX HERG
申请人:NOVARTIS AG
公开号:WO2015161052A1
公开(公告)日:2015-10-22
The present invention provides a compound of formula I, in which R1, R2, X and R3 are defined in the Summary of the Invention, or a pharmaceutically acceptable salt thereof; a method for manufacturing the compounds of the invention, and its therapeutic uses. The present invention further provides a combination of pharmacologically active agents and a pharmaceutical composition.
The present invention provides a compound of formula I, in which R1, R2, X and R3 are defined in the Summary of the Invention, or a pharmaceutically acceptable salt thereof;
a method for manufacturing the compounds of the invention, and its therapeutic uses. The present invention further provides a combination of pharmacologically active agents and a pharmaceutical composition.
The present invention provides a compound of formula I, in which R
1
, R
2
, X and R
3
are defined in the Summary of the Invention, or a pharmaceutically acceptable salt thereof;
a method for manufacturing the compounds of the invention, and its therapeutic uses. The present invention further provides a combination of pharmacologically active agents and a pharmaceutical composition.
Efficient Synthesis of a Benzo[<i>b</i>]furan Building Block
作者:Jaekyoo Lee、Subhash P. Khanapure、Hwa-Ok Kim、Raj (S. B.) Rajur、Bing Li、John D. Williams、Ramdas Pai、Norton P. Peet
DOI:10.1080/00397910903419902
日期:2010.10.20
Unexpected difficulty in the conversion of a bromobenzofuran to the corresponding formylbenzofuran led us to develop a new synthesis for 5-formylbenzo[b]furan-2-carbonitrile (1).