Studies on cardiotonic agents. V. Synthesis of 1-(6,7-dimethoxy-4-quinazolinyl)piperidine derivatives carrying various 5-membered heterocyclic rings at the 4-position.
6,7-Dialkoxy-4-aminoquinazoline cardiac stimulants and synthetic methods for the preparation thereof.
6,7-二烷氧基-4-氨基喹唑啉心脏兴奋剂及其制备的合成方法。
Studies on cardiotonic agents. III. Synthesis of 1-(1-(6,7-dimethoxy-4-quinazolinyl)-4-piperidinyl)-3-substituted 2-imidazolidinone and 2-imidazolidinethione derivatives.
A series of 1-[1-(6,7-dimethoxy-4-quinazolinyl)-4-piperidinyl]-3-substituted 2-imidazolidinone and 2-imidazolidinethione derivatives was synthesized and examined for cardiotonic activity in anesthetized dogs. Alkylation of the 2-imidazolidinone (1) afforded the N-alkylated products, while alkylation of the 2-imidazolidinethione (12) afforded the S-alkylated derivatives accompanied with a small quantity
Novel piperidyl derivatives of quinazoline and isoquinoline
申请人:Humphrey Michael John
公开号:US20060019975A1
公开(公告)日:2006-01-26
The invention pertains to new piperidyl-substituted quinazoline and isoquinoline derivatives that serve as effective phosphodiesterase (PDE) inhibitors. The invention also relates to compounds that are selective inhibitors of PDE10. The invention further relates to intermediates for preparation of such compounds; pharmaceutical compositions comprising such compounds; and the use of such compounds in methods for treating certain central nervous system (CNS) or other disorders.
Quinoline and quinazoline compounds and methods of use thereof
申请人:Stingray Therapeutics, Inc.
公开号:US11407729B2
公开(公告)日:2022-08-09
Compounds and methods for their preparation and use as therapeutic or prophylactic agents, for example for treatment of cancer, bacterial or viral diseases by targeting Ectonucleotide Pyrophosphatase/Phosphodiesterase-1 (ENPP1).