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One-pot and three-component synthesis of spiro[chromeno[2,3-d] pyrimidine-5,3′-indoline]-diones and spiro[chromeno[2,3-c] pyrazole-4,3′-indoline]-diones

✍ Scribed by Ramin Ghahremanzadeh; Fatemeh Fereshtehnejad; Zahra Yasaei; Tayebeh Amanpour; Ayoob Bazgir

Publisher
Journal of Heterocyclic Chemistry
Year
2010
Tongue
English
Weight
131 KB
Volume
47
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

magnified image
A novel, clean, one‐pot and three‐component synthesis of new spiro[chromeno[2,3‐d]pyrimidine‐5,3′‐indoline]‐2′,6(7__H__)‐diones and spiro[chromeno[2,3‐c]pyrazole‐4,3′‐indoline]‐2′,5(6__H__)‐diones via cyclo‐condensation reaction of isatins, 1,3‐cyclohexadiones, and 2‐methylpyrimidine‐4,6‐diol or 3‐methyl‐1‐phenyl‐1__H__‐pyrazol‐5‐ol, in aqueous media is reported. J. Heterocyclic Chem., (2010).

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An efficient, three-component synthesis
An efficient, three-component synthesis of spiro[benzo[g]chromene-4,3′-indoline]-3-carbonitrile and spiro[indoline-3,5′-pyrano[2,3-d]pyrimidine]-6′-carbonitrile derivatives
✍ Ramin Ghahremanzadeh; Tayebeh Amanpour; Ayoob Bazgir 📂 Article 📅 2009 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 91 KB

## Abstract magnified image Spiro[benzo[g]chromene‐4,3′‐indoline]‐3‐carbonitriles and spiro[indoline‐3,5′‐pyrano[2,3‐d]pyrimidine]‐6′‐carbonitriles were synthesized __via__ a three‐component reaction of isatins, 2‐hydroxynaphthalene‐1,4‐dione or 2‐methylpyrimidine‐4,6‐diol, and malononitrile in aqu

ChemInform Abstract: An Efficient, Three
ChemInform Abstract: An Efficient, Three-Component Synthesis of Spiro[benzo[g]chromene-4,3′-indoline]-3-carbonitrile and Spiro[indoline-3,5′-pyrano[2,3-d]pyrimidine]-6′-carbonitrile Derivatives.
✍ Ramin Ghahremanzadeh; Tayebeh Amanpour; Ayoob Bazgir 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v