Synthesis and Crystal and Molecular Structures of 2-Diethylaminomethyl- and 2-Chloromethyl-2,2'-spirobi[benzo-1,3,2-oxazaphospholines] |
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| Authors: | Terent'eva S A Pudovik M A Gubaidullin A T Litvinov I A Pudovik A N |
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| Institution: | (1) Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Tatarstan, Russia |
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| Abstract: | Chloromethylphosphonic dichloride reacts with o-aminophenol in the presence of triethylamine to form 2-chloromethyl-1,3,2-benzoxazaphospholine 2-oxide and 2-chloromethyl-2,2'-spirodi1,3,2-benzoxazaphospholine] in a 1 : 1 ratio. 3-Diethylaminomethyl-2-ethoxy-1,3,2-benzoxazaphospholine reacts with o-aminophenol to form 2-diethylaminomethyl-2,2'-spirodibenzo-1,3,2-oxazaphospholine]. The crystal and molecular structures of the synthesized spirophosphoranes were determined by single crystal X-ray diffraction. |
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