Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction

Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction

The complex [Ru2(CO)4(µ-O2CCH2OSi(OEt)3)2(PPh3)2] was used as a single-source precursor to prepare silica-encapsulated ruthenium via hydrolysis followed by calcination. While the silica-encapsulated ruthenium catalyst and the molecular precursor both catalysed the [2 + 1] cycloaddition reaction betw...

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Main Authors: Barik, Chandan Kr, Ganguly, Rakesh, Garcia, Felipe, Leong, Weng Kee
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2021
Subjects:
Science::Chemistry
Single Source Precursor
Ruthenium Complexes
Online Access:https://hdl.handle.net/10356/154504
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1545042021-12-23T08:18:17Z Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction Barik, Chandan Kr Ganguly, Rakesh Garcia, Felipe Leong, Weng Kee School of Physical and Mathematical Sciences Division of Chemistry & Biological Chemistry Science::Chemistry Single Source Precursor Ruthenium Complexes The complex [Ru2(CO)4(µ-O2CCH2OSi(OEt)3)2(PPh3)2] was used as a single-source precursor to prepare silica-encapsulated ruthenium via hydrolysis followed by calcination. While the silica-encapsulated ruthenium catalyst and the molecular precursor both catalysed the [2 + 1] cycloaddition reaction between alkenes and ethyl diazoacetate to form cyclopropanes, the intermediate hydrolysis product partially directed the reaction towards [2 + 3] cycloaddition to form cyclic five-membered pyrazolines. Ministry of Education (MOE) Nanyang Technological University This work was supported by Nanyang Technological University and the Ministry of Education (Research Grant No. M4012079) 2021-12-23T08:18:16Z 2021-12-23T08:18:16Z 2020 Journal Article Barik, C. K., Ganguly, R., Garcia, F. & Leong, W. K. (2020). Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction. Inorganica Chimica Acta, 512, 119833-. https://dx.doi.org/10.1016/j.ica.2020.119833 0020-1693 https://hdl.handle.net/10356/154504 10.1016/j.ica.2020.119833 2-s2.0-85087526590 512 119833 en M4012079 Inorganica Chimica Acta © 2020 Elsevier B.V. All rights reserved.
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Science::Chemistry
Single Source Precursor
Ruthenium Complexes
spellingShingle Science::Chemistry
Single Source Precursor
Ruthenium Complexes
Barik, Chandan Kr
Ganguly, Rakesh
Garcia, Felipe
Leong, Weng Kee
Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction
description The complex [Ru2(CO)4(µ-O2CCH2OSi(OEt)3)2(PPh3)2] was used as a single-source precursor to prepare silica-encapsulated ruthenium via hydrolysis followed by calcination. While the silica-encapsulated ruthenium catalyst and the molecular precursor both catalysed the [2 + 1] cycloaddition reaction between alkenes and ethyl diazoacetate to form cyclopropanes, the intermediate hydrolysis product partially directed the reaction towards [2 + 3] cycloaddition to form cyclic five-membered pyrazolines.
author2 School of Physical and Mathematical Sciences
author_facet School of Physical and Mathematical Sciences
Barik, Chandan Kr
Ganguly, Rakesh
Garcia, Felipe
Leong, Weng Kee
format Article
author Barik, Chandan Kr
Ganguly, Rakesh
Garcia, Felipe
Leong, Weng Kee
author_sort Barik, Chandan Kr
title Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction
title_short Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction
title_full Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction
title_fullStr Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction
title_full_unstemmed Encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction
title_sort encapsulating ruthenium in silica using a single source precursor : differing outcomes for a cycloaddition reaction
publishDate 2021
url https://hdl.handle.net/10356/154504
_version_ 1720447086544027648

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