期刊
MENDELEEV COMMUNICATIONS
卷 30, 期 1, 页码 38-39出版社
ELSEVIER
DOI: 10.1016/j.mencom.2020.01.012
关键词
arylphosphonates; esters; hydrolysis; phosphonic acids; rate constants; reactivity; mechanism
资金
- National Research, Development and Innovation Office [K119202]
- Ministry of Human Capacities of Hungary (grant BME FIKP-BIO)
- Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences [BO/00130/19/7]
The HCl-catalyzed hydrolysis of dialkyl arylphosphonates monitored by P-31 NMR spectroscopy has revealed two consecutive steps characterized by pseudo first order rate constants k(1) and k(2). A reactivity order for the two steps and for the overall two step hydrolysis has been derived depending on the alkoxy and aryl substituents. Besides the A(Ac)2 mechanism, the A(Al)1 route has been substantiated for the (PrO)-O-i substituent.
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