A manganese porphyrin-α-cyclodextrin conjugate as an artificial enzyme for the catalytic epoxidation of polybutadiene

Qi Wei Zhang; Johannes A.A.W. Elemans; Paul B. White; Roeland J.M. Nolte

doi:10.1039/c8cc02320d

A manganese porphyrin-α-cyclodextrin conjugate as an artificial enzyme for the catalytic epoxidation of polybutadiene

Qi Wei Zhang, Johannes A.A.W. Elemans, Paul B. White, Roeland J.M. Nolte

Radboud University Nijmegen

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

We describe a manganese porphyrin-α-cyclodextrin conjugate as a catalyst for the epoxidation of cis-polybutadiene with trans-epoxide preference, which is a reverse stereoselectivity as compared to normal porphyrin catalysts. A clamp-like mechanism is proposed based on a combination of circular dichroism analysis, molecular modeling, and a series of epoxidation experiments.

Original language	English
Pages (from-to)	5586-5589
Number of pages	4
Journal	Chemical Communications
Volume	54
Issue number	44
DOIs	https://doi.org/10.1039/c8cc02320d
State	Published - 2018
Externally published	Yes

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abstract = "We describe a manganese porphyrin-α-cyclodextrin conjugate as a catalyst for the epoxidation of cis-polybutadiene with trans-epoxide preference, which is a reverse stereoselectivity as compared to normal porphyrin catalysts. A clamp-like mechanism is proposed based on a combination of circular dichroism analysis, molecular modeling, and a series of epoxidation experiments.",

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AU - Elemans, Johannes A.A.W.

AU - White, Paul B.

AU - Nolte, Roeland J.M.

PY - 2018

Y1 - 2018

N2 - We describe a manganese porphyrin-α-cyclodextrin conjugate as a catalyst for the epoxidation of cis-polybutadiene with trans-epoxide preference, which is a reverse stereoselectivity as compared to normal porphyrin catalysts. A clamp-like mechanism is proposed based on a combination of circular dichroism analysis, molecular modeling, and a series of epoxidation experiments.

AB - We describe a manganese porphyrin-α-cyclodextrin conjugate as a catalyst for the epoxidation of cis-polybutadiene with trans-epoxide preference, which is a reverse stereoselectivity as compared to normal porphyrin catalysts. A clamp-like mechanism is proposed based on a combination of circular dichroism analysis, molecular modeling, and a series of epoxidation experiments.

UR - https://www.scopus.com/pages/publications/85047736028

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DO - 10.1039/c8cc02320d

M3 - 文章

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AN - SCOPUS:85047736028

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JO - Chemical Communications

JF - Chemical Communications

IS - 44

ER -

A manganese porphyrin-α-cyclodextrin conjugate as an artificial enzyme for the catalytic epoxidation of polybutadiene

Abstract

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