涉及一种新颖氮杂普林斯型环化反应Ñ -acyliminium离子和酰胺被报告四氢嘧啶并[2,1-的合成一个]异吲哚-2,6-二酮和6,6-一个-dihydroisoindolo [2,1-一个]喹唑啉-5,11-二酮衍生物,产率极好。该策略的特点是试剂价格低廉,反应条件温和,N-杂环骨架的无金属合成。此外,合成后的修饰导致其前所未有的三唑、四环二氮杂环戊二烯[ def ]菲-1,4(9 a 1 H )-二酮和羰基衍生物的形成。
Synthesis and properties of 1,2-dihydro-4(3H)-quinazolinones
作者:D. S. Khachatryan、S. K. Belus、V. A. Misyurin、M. A. Baryshnikova、A. V. Kolotaev、K. R. Matevosyan
DOI:10.1007/s11172-017-1852-2
日期:2017.6
We modified the preparative-scale method for the synthesis of 2-aryl 1,2-dihydro-4(3H)-quinazolinone derivatives obtained in high yields by the reaction of new and commercially available aromatic aldehydes with anthranilic acid amides. A series of quinazolinone derivatives possessing anticancer and antiparasitic activities, as well as capable of preventing the progress of neurodegenerative diseases
Synthesis of Isoindolo[2,1-a]quinazoline, Isoindolo[2,1-a]pyrrolo [2,1-c]quinoxalinone, and Indolo[1,2-a]isoindolo[1,2-c]quinoxalinone Derivatives in a Deep Eutectic Solvent
作者:Prakash Bhate、Rajkumari Devi、Ashok Garande
DOI:10.1055/s-0036-1588074
日期:——
2-Formylbenzoic acid reacts with various derivatives of 2-aminobenzamide, 2-(1 H -pyrrol-1-yl)aniline or 2-(1 H -indol-1-yl)aniline in a deep eutectic solvent to give the corresponding derivatives of 6,6a-dihydroisoindolo[2,1- a ]quinazoline-5,11-dione, isoindolo[2,1- a ]pyrrolo[2,1- c ]quinoxalin-10(14b H )-one, and indolo[1,2- a ]isoindolo[1,2- c ]quinoxalin-11(15b H )-one, respectively . This protocol
An efficient and versatile mechanochemical route for the synthesis of chromene and isoindolo[2,1- a ]quinazoline scaffolds has been developed via a simple mortar and pestle liquid-assisted grinding method using 2,2,2-trifluoroethanol (TFE) as an efficient catalyst. The present protocol is very efficient as it offers reaction in mild reaction condition, cleaner reaction profiles, effortless work-up
通过使用2,2,2-三氟乙醇(TFE)作为简单的研钵和研杵液体辅助研磨方法,已经开发了一种用于合成色烯和异吲哚并[2,1- a ]喹唑啉支架的有效且通用的机械化学路线。 催化剂。本方案非常有效,因为它可以在温和的反应条件下提供反应,反应曲线更干净,纯化步骤轻松,纯度高,反应时间短,所需产物的收率高。
Efficient synthesis of 6,6a-dihydroisoindolo[2,1-a]quinazoline-5,11-dione derivatives catalyzed by functionalized nanoporous silica
作者:Ayeh Rayatzadeh、Sirous Haghipour
DOI:10.1007/s00706-020-02720-4
日期:2021.1
An efficient and facile method has been developed for the synthesis of various 6,6a-dihydroisoindolo[2,1-a]quinazoline-5,11-dione derivatives, via a three-component reaction of 2-amino-N-(R)-benzamide derivatives with 2-formylbenzoic acid using sulfonic acid functionalized nanoporous silica as an efficient catalyst in ethanol under reflux. High yield of the desired products, reusability of the catalyst
A new three-component reaction: green synthesis of novel isoindolo[2,1-a]quinazoline derivatives as potent inhibitors of TNF-α
作者:K. Siva Kumar、P. Mahesh Kumar、K. Anil Kumar、M. Sreenivasulu、Ahamed A. Jafar、D. Rambabu、G. Rama Krishna、C. Malla Reddy、Ravikumar Kapavarapu、K. Shivakumar、K. Krishna Priya、Kishore V. L. Parsa、Manojit Pal
DOI:10.1039/c1cc10715a
日期:——
Concurrent construction of five and six membered fused N-heretocyclic ring was achieved via a conceptually new three-component reaction affording 6,6a-dihydroisoindolo[2,1-a]quinazoline-5,11-diones as novel inhibitors of TNF-alphain vitro. This represents one of the few examples of direct TNF-alpha inhibition by small molecules.