1494669-12-3Relevant academic research and scientific papers
Pyrazolo [1, 5 - a] quinazoline derivatives and their use in pharmaceutical preparations
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Paragraph 0066-0069, (2021/09/08)
The invention relates to a pyrazolo [1, 5 - a] quinazoline derivative as well as a preparation method and application thereof in preparation of medicines. In particular, a compound of formula I is provided. Or a pharmaceutically acceptable salt thereof, o
Water-mediated selective synthesis of pyrazolo[1,5-a ]quinazolin-5(4 H)-ones and [1,2,4]triazolo[1,5-a ]quinazolin-5(4 H)-one via copper-catalyzed cascade reactions
Zhang, Xinying,Gao, Lin,Wang, Zhangxin,Fan, Xuesen
, p. 2426 - 2435 (2015/11/09)
A convenient and sustainable synthesis of pyrazolo[1,5-a]quinazolin-5(4H)-ones and [1,2,4]triazolo[1,5-a]quinazolin-5(4H)-one through copper-catalyzed cascade reactions of 2-bromobenzoates with 1H-pyrazol-5-amines or 1H-1,2,4-triazol-5-amine under ligand-
Pyrazoloquinazolinones and pyrazolopyridopyrimidinones by a sequential N-acylation-SNAr reaction
Gnanasekaran, Krishna Kumar,Prasad Muddala,Bunce, Richard A.
supporting information, p. 1367 - 1369 (2015/03/04)
An efficient synthesis of pyrazolo[1,5-a]quinazolin-5(4H)-ones and pyrazolo[1,5-a]pyrido[3,2-e]pyrimidin-5(4H)-ones is reported from the reaction of 2-haloaroyl chlorides with 5-amino-1H-pyrazoles. The reaction takes advantage of the 1,3-disposition of el
QUINAZOLINE BASED RESPIRATORY SYNCYTIAL VIRUS INHIBITORS
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Page/Page column 52, (2015/05/19)
Compounds of Formula (I), wherein R1, R2, R3, R4 and n are defined herein, are useful as inhibitors of RSV.
