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Why does water accelerate organic reactions under heterogeneous condition?

TitleWhy does water accelerate organic reactions under heterogeneous condition?
Publication TypeJournal Article
Year of Publication2013
AuthorsManna, A, Kumar, A
JournalJournal of Physical Chemistry A
Volume117
Issue12
Pagination2446-2454
Date PublishedMAR
ISSN1089-5639
Abstract

An exhaustive kinetic analysis has been carried out to offer the convincing evidence of the involvement of the oil water interface in guiding ``on water organic reaction'' mechanism. We have tuned the interface to prove its indispensable efficacy to make on water reaction a unique type among water mediated organic reactions. Sensitive techniques have established the preferential salvation of polarizable ions at the water surface. The experimental methods have been developed to control the molecular structure of oil water interface in situ. Temperature-dependent analyses have also been presented to understand the enthalpic and entropic modifications of the interfacial water molecules during a heterogeneous reaction. Both of our kinetic and thermodynamic outcomes have univocally established that the hydrogen-bonding ability of the surface water molecules plays a critical role in deciding the on water organic reaction mechanism. The results have important implications on understanding the role of small water molecules adjacent to the reactants during the reactions discussed in this investigation.

DOI10.1021/jp4002934
Type of Journal (Indian or Foreign)

Foreign

Impact Factor (IF)

2.775

Divison category: 
Physical and Materials Chemistry