The present invention provides compounds of Formula (I), or a pharmaceutically acceptable salt thereof, where R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, A and n are as defined herein. A deuteriated derivative of the compound of Formula (I) is also provided.
The present invention provides compounds of Formula (I), or a pharmaceutically acceptable salt thereof, where R1, R2, R3, R4, R5, R6, A and n are as defined herein. A deuteriated derivative of the compound of Formula (I) is also provided.
Multicomponent synthesis of substituted pyridines <i>via</i> a catalytic intermolecular aza-Wittig/Diels–Alder sequence
作者:Mary E. Bayana、J. Steven Wailes、Stephen P. Marsden
DOI:10.1039/d2ra05018h
日期:——
A three-component synthesis of polysubstituted pyridines has been developed, based upon the synthesis of 2-azadienes by a redox-neutral catalytic intermolecular aza-Wittig reaction and their subsequent Diels–Alder reactions. The two-pot process has been demonstrated using a range of aryl and heteroaromatic aldehydes, substituted α,β-unsaturated acids and push–pull enamines, to give rapid access to