Alcoholysis of dialkyl phosphites under microwave conditions

Bálint, Erika and Tajti, Ádám and Drahos, László and Ilia, Gheorge and Keglevich, György (2013) Alcoholysis of dialkyl phosphites under microwave conditions. Current Organic Chemistry, 17. pp. 555-562. ISSN 1385-2728

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Abstract

Depending on the conditions, the alcoholysis of simple dialkyl phosphites [(RO)2P(O)H] under microwave conditions may result in the formation of mixed derivative [(RO)(R’O)P(O)H] and the fully transesterified species [(R'O)2P(O)H] in different ratios. On one hand, this may be a method of choice for the preparation of less common dialkyl phosphites with alkyl chains of higher carbon atom number, on the other hand, the mixed derivatives are valuable building-blocks due to the chiral phosphorus atom. The thermal accomplishments led, in most cases, to uncomplete conversions.

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