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 email@example.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 , and antiviral agents  and offer potential applications in photodynamic therapy . Moreover, xanthenes are used as a bactericide , as dyes in ﬂuorescent materials for visualization of
Research on Chemical Intermediates – Springer Journals
Published: Mar 7, 2016
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