Synthesis of 3a,6a-diaza-1,4-diphosphapentalenes and their halogen derivatives. Specific features of the structure and behavior in solutions

Such ketazines as azines of acetophenone and its substituted derivatives ( p -F, m -Cl, p -I, p -Me, p -OMe), acetone, dibenzyl ketone, propiophenone, and indan-2-one were studied in the reaction with phosphorus(ɪɪɪ) chloride. The possibility of the formation of 1,4-dichloro-3a,6a-diaza-1,4-diphosph...

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