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Synthesis of [1]benzopyrano[2,3-b]pyrrol-4(1H)-ones

✍ Scribed by Angel Alberola; Rocío Álvaro; Alfonso González Ortega; Carmen Sañudo

Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
510 KB
Volume
53
Category
Article
ISSN
0040-4020

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📜 SIMILAR VOLUMES

ChemInform Abstract: Synthesis of [1]Ben
ChemInform Abstract: Synthesis of [1]Benzopyrano[2,3-b]pyrrol-4(1H)-ones.
✍ A. ALBEROLA; R. ALVARO; A. GONZALEZ ORTEGA; C. SANUDO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 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

ChemInform Abstract: Synthesis of [1]Ben
ChemInform Abstract: Synthesis of [1]Benzopyrano[4,3-b]pyrrol-4(1H)-ones from N(α)-(2-Oxo-2H-1-benzopyran-4-yl) Weinreb α-Aminoamides.
✍ Angel Alberola; Rocio Alvaro; Alfonso Gonzalez Ortega; M. Luisa Sadaba; M. Carme 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 41 KB 👁 1 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

ChemInform Abstract: Synthesis of 2-Meth
ChemInform Abstract: Synthesis of 2-Methyl-9-oxo-9H-furo[2,3-c]benzopyrans and 2-Methyl-3H,4H[1]benzopyrano[3,4-b]pyrrol-4-ones.
✍ R. S. RAM; G. L. D. KRUPADANAM; G. SRIMANNARAYANA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB 👁 1 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

Efficient synthesis of trisubstituted [1
Efficient synthesis of trisubstituted [1]benzopyrano[4,3-b]pyrrol-4(1H)-one derivatives from 4-hydroxycoumarin
✍ Yuan-Xiu Liao; Pei-Yu Kuo; Ding-Yah Yang 📂 Article 📅 2003 🏛 Elsevier Science 🌐 French ⚖ 128 KB

Various trisubstituted [1]benzopyrano[4,3-b]pyrrol-4(1H)-one derivatives have been synthesized from 4-hydroxycoumarin with a 30-40% yield over six steps. The key step of the synthesis is a base-promoted intramolecular cyclization of enamines 5, followed by dehydration to generate the fused pyrrole r