Catalyst/ligand-free synthesis of benzimidazoles and quinazolinones from amidines via intramolecular transamination reaction
摘要:
An efficient catalyst/ligand-free synthesis of benzimidazoles and quinazolinones from amidines in quailtitative yields has been described. (C) 2010 Elsevier Ltd. All rights reserved.
Rhodium-Catalyzed C–H Activation of 2-Arylquinazolinones and Cyclization with Elemental Sulfur via C–S/S–N Bond Formation to Access 7H-Benzo[4,5]isothiazolo[3,2-b]quinazolinones
作者:Yiyuan Peng、Xinqin Zhang、Qiong Wu、Qin Yang、Yang Fu
DOI:10.1055/a-2147-2620
日期:2023.10
An efficient method for the synthesis of 7H-benzo[4,5]isothiazolo[3,2-b]quinazolin-7-ones by the reaction of 2-arylquinazolin-4(3H)-ones and elemental sulfur is described. The rhodium-catalyzed C–H activation of 2-arylquinazolinones and cyclization with elemental sulfur via one-step formation of C–S/N–S bonds to give the corresponding 7H-benzo[4,5]isothiazolo[3,2-b]quinazolinones is realized in good
描述了一种通过2-芳基喹唑啉-4(3 H )-酮与元素硫反应合成7 H-苯并[4,5]异噻唑并[3,2- b ]喹唑啉-7-酮的有效方法。铑催化 2-芳基喹唑啉酮的 C-H 活化,并通过一步形成 C-S/N-S 键与元素硫环化,得到相应的 7 H-苯并[4,5]异噻唑啉酮[ 3,2- b ]喹唑啉酮类化合物的产率从良好到高,且具有良好的官能团耐受性。
[EN] HEPATITIS C VIRUS INHIBITORS<br/>[FR] INHIBITEURS DU VIRUS DE L'HÉPATITE C
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2012151195A1
公开(公告)日:2012-11-08
Hepatitis C virus inhibitors having the following general formula (I); are disclosed. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.