Cyclic Phosphorochloridites,Phosphorochloridates, and Phosphorochloridothioates Based on Calix[4]resorcinolarenes |
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| Authors: | Nikolaeva I L Burilov A R Kharitonov D I Pudovik M A Habicher W D Konovalov A I |
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| Institution: | (1) Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan, Russia;(2) Institute of Organic Chemistry, Dresden Technological University, Dresden, Germany |
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| Abstract: | Phosphorylation of calix4]resorcinolarenes with PCl3 yields cyclic phosphorochloridites. Cavitands containing cyclic phosphorochloridite fragments in the upper rim are readily oxidized with SO2Cl2 to the corresponding phosphorochloridates and take up four equivalents of sulfur on heating to form cyclic phosphorochloridothioates. |
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