The chemistry of coumarin derivatives. Part 3. Synthesis of 3-alkyl-4-hydroxycoumarins by reductive fragmentation of 3,3′-alkyiidene-4,4′-dihydroxybis[coumarins]

ChemInform Abstract: Coumarin Chemistry.

ChemInform Abstract: Coumarin Chemistry. Part 21. Alkylation of Coumarin at C-3 of 4- Hydroxycoumarin.

✍ I. TABAKOVIC; K. TABAKOVIC; I. GAON 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 28 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

Synthesis and biological evaluation of s

Synthesis and biological evaluation of several 3-(coumarin-4-yl)tetrahydroisoxazole and 3-(coumarin-4-yl)dihydropyrazole derivatives

✍ Anne A. Emmanuel-Giota; Konstantina C. Fylaktakidou; Konstantinos E. Litinas; De 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 63 KB 👁 1 views

## Abstract A series of novel 3‐(coumarin‐4‐yl)tetrahydroisoxazoles **5a,b, 7, 9** and 3‐(coumarin‐4‐yl)dihydropyra‐zoles **13a‐d, 14,15a,b** were synthesized from coumarin‐4‐carboxaldehyde **1** __via__ the intermediate __N__‐methyl nitrone **3** and __N__‐phenyl or __N__‐methyl hydrazones **11a,b

Synthesis and structure of novel 3,4-ann

Synthesis and structure of novel 3,4-annelated coumarin derivatives

✍ Milan S. Dekić; Biljana R. Dekić; Vidoslav S. Dekić; Stojadin V. Deki 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 236 KB

## Abstract magnified image Condensation of 4‐chloro‐2‐oxo‐2__H__‐chromene‐3‐carbonitrile (**1**) with heteroarylamines **2a‐d** in acetonitrile containing a catalytic amount of triethylamine followed by spontaneous intramolecular cyclization gave the novel coumarin derivatives **3a‐d**, respectiv

ChemInform Abstract: Synthesis and Biolo

ChemInform Abstract: Synthesis and Biological Evaluation of Several 3-(Coumarin-4-yl)tetrahydroisoxazole and 3-(Coumarin-4-yl)dihydropyrazole Derivatives.

✍ Anne A. Emmanuel-Giota; Konstantina C. Fylaktakidou; Dimitra J. Hadjipavlou-Liti 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 2 views

ChemInform Abstract: Cyclic Systems Cont

ChemInform Abstract: Cyclic Systems Containing Coumarin Unit. Part 1. Synthesis of 3-(2-R-Thiazolyl-4)- and 3-(4-R-Thiazolyl-2)coumarins.

✍ YA. V. BELOKON'; S. N. KOVALENKO; A. V. SILIN; V. M. NIKITCHENKO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 41 KB 👁 2 views

ChemInform Abstract: Synthesis and Biolo

ChemInform Abstract: Synthesis and Biological Evaluation of Several Coumarin-4-carboxamidoxime and 3-(Coumarin-4-yl)-1,2,4-oxadiazole Derivatives.

✍ D. N. NICOLAIDES; K. C. FYLAKTAKIDOU; K. E. LITINAS; D. HADJIPAVLOU-LITINA 📂 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