Catalytic application of N,2-dibromo-6-chloro-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-dioxide as a new catalyst for the synthesis of 9-aryl-1,8-dioxo-octahydroxanthenes under neutral media

Catalytic application of... DCDBTSD (10 mol%) H O N O Br S S Br Ar O Ar O Cl N O Solvent-free / 90 °C Electronic supplementary material The online version of this article (doi:10.1007/s11164-016-2492-0) contains supplementary material, which is available to authorized users. & Ardeshir Khazaei Khazaei_1326@yahoo.com & Ahmad Reza Moosavi-Zare moosavizare@yahoo.com Faculty of Chemistry, Bu-Ali Sina University, Hamedan 6517838683, Islamic Republic of Iran Department of Chemistry, Sayyed Jamaleddin Asadabadi University, Asadabad 6541835583, Islamic Republic of Iran 123 6720 A. Khazaei et al. Keywords N–halo reagent  Dimedone (5,5-dimethylcyclohexane-1,3-dione) Aldehyde  9-aryl-1,8-dioxo-octahydroxanthene  Solvent-free Introduction Solvent-free reactions have been demonstrated to be an efficient technique for various organic transformations instead of using harmful organic solvents. Solvent- free conditions often lead to a remarkable decrease in reaction times, increased yields, easier workup, matching with green chemistry protocols, and may enhance the regioselectivity and stereoselectivity of reactions [1–4]. Heterocycles are extensively applied in organic synthesis, pharmaceutical chemistry and industry. For example, xanthene derivatives have various significant biological activities. They are used as antibacterial, anti-inflammatory [5], and antiviral agents [6] and offer potential applications in photodynamic therapy [7]. Moreover, xanthenes are used as a bactericide [8], as dyes in fluorescent materials for visualization of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Catalytic application of N,2-dibromo-6-chloro-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-dioxide as a new catalyst for the synthesis of 9-aryl-1,8-dioxo-octahydroxanthenes under neutral media

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Publisher
Springer Netherlands
Copyright
Copyright © 2016 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-016-2492-0
Publisher site
See Article on Publisher Site

Abstract

DCDBTSD (10 mol%) H O N O Br S S Br Ar O Ar O Cl N O Solvent-free / 90 °C Electronic supplementary material The online version of this article (doi:10.1007/s11164-016-2492-0) contains supplementary material, which is available to authorized users. & Ardeshir Khazaei Khazaei_1326@yahoo.com & Ahmad Reza Moosavi-Zare moosavizare@yahoo.com Faculty of Chemistry, Bu-Ali Sina University, Hamedan 6517838683, Islamic Republic of Iran Department of Chemistry, Sayyed Jamaleddin Asadabadi University, Asadabad 6541835583, Islamic Republic of Iran 123 6720 A. Khazaei et al. Keywords N–halo reagent  Dimedone (5,5-dimethylcyclohexane-1,3-dione) Aldehyde  9-aryl-1,8-dioxo-octahydroxanthene  Solvent-free Introduction Solvent-free reactions have been demonstrated to be an efficient technique for various organic transformations instead of using harmful organic solvents. Solvent- free conditions often lead to a remarkable decrease in reaction times, increased yields, easier workup, matching with green chemistry protocols, and may enhance the regioselectivity and stereoselectivity of reactions [1–4]. Heterocycles are extensively applied in organic synthesis, pharmaceutical chemistry and industry. For example, xanthene derivatives have various significant biological activities. They are used as antibacterial, anti-inflammatory [5], and antiviral agents [6] and offer potential applications in photodynamic therapy [7]. Moreover, xanthenes are used as a bactericide [8], as dyes in fluorescent materials for visualization of

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Mar 7, 2016

References

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