✦ LIBER ✦

Synthesis of new fluorophores derived from monoazacrown ethers and coumarin nucleus

✍ Scribed by Brunet, Ernesto; García-Losada, Pablo; Rodríguez-Ubis, Juan-Carlos; Juanes, Olga

Book ID: 121231579
Publisher: NRC Research Press
Year: 2002
Tongue: French
Weight: 606 KB
Volume: 80
Category: Article
ISSN: 0008-4042
DOI: 10.1139/v02-006

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Synthesis and Photochromism of Novel Chr

Synthesis and Photochromism of Novel Chromene Derivatives Bearing a Monoazacrown Ether Moiety

✍ Saleh A. Ahmed; Mutsuo Tanaka; Hisanori Ando; Hitoshi Iwamoto; Keiichi Kimura 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 190 KB 👁 1 views

## Abstract Crowned chromenes − four novel naphthopyrans (chromenes) bearing monoaza‐12‐crown‐4, ‐15‐crown‐5, ‐18‐crown‐6, and a noncyclic analogue at the 5‐position − were synthesized, and their photochromism in acetonitrile was examined in the presence of alkali and alkaline‐earth metal ions. Inc

Synthesis, spectroscopic and antibacteri

Synthesis, spectroscopic and antibacterial investigations of new hydroxy ethers and heterocyclic coumarin derivatives

✍ Naceur Hamdi; Mustapha Saoud; Antonio Romerosa; Rached Ben Hassen 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 359 KB

## Abstract magnified image The reactions between oligoethylene glycol diglycidyl ethers **2a‐c** with both 7‐hydroxy‐4‐methyl‐2__H__‐chromen‐2‐one and 4‐hydroxy‐2__H__‐chromen‐2‐one lead to new hydroxy ethers **3** and **4** containing coumarin moieties in good yield. The synthesis of 3‐(3‐(dimet

SYNTHESIS OF A NEW PYRANOQUINOLONIC DERI

SYNTHESIS OF A NEW PYRANOQUINOLONIC DERIVATIVE FROM COUMARIN.

✍ da Matta, Alex Sander D.; de Oliveira, Cesar D.; Romeiro, Gilberto A. 📂 Article 📅 2000 🏛 Walter de Gruyter GmbH & Co. KG 🌐 English ⚖ 471 KB

Coordination Chemistry of Lipoic Acid an

Coordination Chemistry of Lipoic Acid and Related Compounds V [1]. New Heteroditopic Ligands Derived from Monoazacrown Ethers and Lipoic Acid

✍ Michaela Wilhelm; Eva Berssen; Rainer Koch; Henry Strasdeit 📂 Article 📅 2002 🏛 Springer Vienna 🌐 English ⚖ 171 KB

New Sesquiterpene Coumarin Ethers from A

New Sesquiterpene Coumarin Ethers from Achillea ochroleuca. 13 C-NMR of Isofraxidin-Derived Open-Chain, and Bicyclic Sesquiterpene Ethers

✍ Greger, H.; Hofer, O.; Robien, W. 📂 Article 📅 1983 🏛 American Chemical Society 🌐 English ⚖ 497 KB

Synthesis of new condensed and cyclized

Synthesis of new condensed and cyclized coumarin derivatives

✍ S. V. Dekić; V. S. Dekić; B. R. Dekić; M. S. Dekić 📂 Article 📅 2007 🏛 Versita 🌐 English ⚖ 217 KB

## Abstract Condensation of 4-chloro-2-oxo-2H-chromene-3-carbonitrile with selected heteroarylamines in acetonitrile containing a catalytic amount of triethylamine, followed by intramolecular cyclization, gave the new coumarin derivatives with yields ranging from 43 % to 78 %. The novel compounds w