Investigation in the Chromone Series. Part Xxi. 4,4-Dichloro-4h-1-Benzopyran-2-Carbonyl Chloride in Reaction With Phosphites

Kostka, Krzysztof; Modranka, Roman; Grabowski, M. J.; Stępień, A.

doi:10.1080/10426509308034364

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Investigation in the Chromone Series. Part Xxi. 4,4-Dichloro-4h-1-Benzopyran-2-Carbonyl Chloride in Reaction With Phosphites

Abstract: 4,4-Dichloro-4H-l-benzopyran-2-carbonyl chloride in the reaction with tertiary phosphites forms two stereoisomeric products (E) and (Z). The mechanism of their formation and the structure has been suggested.

Cited by 5 publications

References 6 publications

Properties and Reactions of Phosphonic and Phosphinic Acids and their Derivatives

Properties and Reactions of Phosphonic and Phosphinic Acids and their Derivatives

Crystal and Molecular Structures of Phosphonolactone Derivatives of Chromone

P98 the first and general synthesis of phosphonic derivatives of 4-OXO-4H-1- and 2H-1-benzopyrans with pharmacological activity

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