61348-47-8Relevant articles and documents
CuI/Cu(OSO2CF3)2 catalysed convenient approach to dichromenopyridines and triazole-thiazole appended chromone derivatives
Yerrabelly, Jayaprakash Rao,Porala, Subbanarasimhulu,Kasireddy, Venkateshwar Reddy,Ghojala, Venkat Reddy,Rebelli, Pradeep
, p. 3781 - 3790 (2021/11/01)
A variety of new pentacyclic dichromenopyridines have been synthesized from 2-amino chromone and O-propargyloxy salicilaldehydes through intramolecular Povarov reaction using CuI/Cu(OSO2CF3)2 as a Lewis acid catalyst. The
Zn(OTf)2-Catalyzed Formal [3 + 3] Cascade Annulation of Propargylic Alcohols with 2-Aminochromones: Accessing the Chromeno[2,3- b]pyridines
Tong, Pei,Sun, Zhou,Wang, Shutao,Zhang, Yuan,Li, Ying
, p. 13967 - 13974 (2019/10/16)
A Zn(OTf)2-catalyzed formal [3 + 3] cascade annulation strategy for the synthesis of functionalized chromeno[2,3-b]pyridines has been developed using propargylic alcohols and 2-aminochromones as the substrates. The protocol provides a convenien
Synthesis of unsymmetrical 4-oxo-2-vinyl-4H-chromene-3-carbonitrile dyes via Knoevenagel reaction
Levchenko,Chudov,Zinoviev,Lyssenko,Demin,Poroshin,Shmelin,Grebennikov
, p. 2788 - 2792 (2018/06/08)
New 4-oxo-2-vinyl-4H-chromene-3-carbonitrile derivatives have been synthesized by the Knoevenagel reaction of 2-methyl-4-oxo-4H-chromene-3-carbonitrile with aromatic and heteroaromatic aldehydes. Spectral properties of the obtained compounds have been studied.