Note sur les réctions d'échange de restes alcoyle chez des monoesters orthophosphoriques et benzènephosphonique

Autor:	Emile Cherbuliez, Br. Baehler, J. Marszalek, J. Rabinowitz, G. Weber
Rok vydání:	1969
Předmět:	Inorganic Chemistry chemistry.chemical_compound Chemistry Metaphosphate Organic Chemistry Drug Discovery Organic chemistry Physical and Theoretical Chemistry Biochemistry Medicinal chemistry Catalysis Bond cleavage Ion
Zdroj:	Helvetica Chimica Acta. 52:2676-2679
ISSN:	0018-019X
DOI:	10.1002/hlca.19690520849
Popis:	Experimental data obtained from the study of the behaviour of monoalkyl phosphates ROP(O)(OH)O− or monoalkyl phosphonates C6H5P(O)(OR)O− in aquo-alcoholic (H2O + R′OH) solutions suggest: (1) in the case of monoalkyl phosphonates the exchange of R and R′ must proceed by a direct alcoholysis; (2) in the case of monoalkyl phosphates, where the scission of the ester at about pH 4,5 proceeds via the intermediate formation of metaphosphate ion PO3−, R′OPO3H− can also be formed by the addition of R′OH to PO3− (competitive to the addition of water) besides direct alcoholysis of ROPO3H−.
Databáze:	OpenAIRE
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