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In-situ study of substrate--catalyst interactions in a Juliá-Colonna epoxidation using quartz crystal microbalance with dissipation. | LitMetric

In-situ study of substrate--catalyst interactions in a Juliá-Colonna epoxidation using quartz crystal microbalance with dissipation.

J Colloid Interface Sci

Surface and Corrosion Science, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Drottning Kristinas väg 51, 100 44 Stockholm, Sweden; SP Technical Research Institute of Sweden, SP Chemistry, Materials and Surfaces, Box 5607, SE-114 86 Stockholm, Sweden. Electronic address:

Published: May 2016

AI Article Synopsis

  • The QCM-D analysis shows how a specific reaction (epoxidation of chalcone) is catalyzed by a molecule called hexal-Leucine (PLL).
  • The evidence suggests that a crucial step involves the formation of a complex between PLL and a hydroperoxide.
  • This work provides new insights into the mechanism of the reaction, proposing a different explanation for why this catalytic pathway is effective.

Article Abstract

Quartz crystal microbalance with dissipation (QCM-D) analysis of the hexa-l-Leucine (PLL)-catalyzed epoxidation of chalcone gives in-situ experimental evidences which demonstrate that the reaction proceeds mainly via the formation of a PLL-bound hydroperoxide complex followed by the reversible addition of chalcone. The observations offer an alternative rationalization for the viability of the preferred catalytic pathway.

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Source
http://dx.doi.org/10.1016/j.jcis.2016.01.076DOI Listing

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