ORCID Profile
0000-0001-5882-8896
Current Organisations
University of Sussex
,
Nanyang Technological University
,
National University of Singapore
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Publisher: American Chemical Society (ACS)
Date: 02-05-2019
DOI: 10.1021/JACS.9B03600
Abstract: We disclose the synthesis and structural characterization of the first acid-free anionic oxoborane, [K(2.2.2-crypt)][(HCDippN)
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0CC00875C
Abstract: Two-coordinate cations [(N-nacnac)E] + (E = Si, Ge, Sn) react differently towards ammonia/amines: simple adduct formation (Ge,Sn) contrasts with N–H activation (Si).
Publisher: Wiley
Date: 15-06-2021
Abstract: The use of an amino‐functionalized β‐diketiminate (′N‐nacnac′) ligand in low‐valent silicon chemistry is investigated. In particular, the use of ( L Dipp )SiCl ( L Dipp =HC{(Me 2 N)CNDipp} 2 ) to generate silicon‐containing products via metathesis chemistry is explored, in light of previously reported complications arising from heterocycle ring contraction. In the case of Na[C 5 H 5 ], chloride metathesis is accompanied not by rearrangement of the N‐nacnac ligand, but by a C‐to‐Si hydrogen migration process, generating the hydridosilicon(IV) species ( L Dipp )Si(H)(C 5 H 4 ), which features a silafulvene core. The potential intermediate arising from initial chloride/cyclopentadienide substitution can be modelled by the chemistry of the corresponding Ge(II) and Sn(II) systems, which generate ( L Dipp )E(η 1 −C 5 H 5 ) (E=Ge, Sn) via straightforward metathesis chemistry. A Si(II) hydride species can be generated from ( L Dipp )SiCl via metathesis by making use of a d‐block reagent which can act as both hydride source and coordinative trap for ( L Dipp )SiH. Thus, the reaction of ( L Dipp )SiCl with K[(η 5 −C 5 H 4 Me)Mn(CO) 2 H] leads to the formation of (η 5 −C 5 H 4 Me)Mn(CO) 2 {Si(H) L Dipp } – the first silylene complex containing this half‐sandwich manganese fragment.
Publisher: Wiley
Date: 05-04-2017
Abstract: The synthesis of a class of electron-rich amino-functionalized β-diketiminato (N-nacnac) ligands is reported, with two synthetic methodologies having been developed for systems bearing backbone NMe
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0DT01447H
Abstract: Ring contraction reactions in electron-rich amino-Nacnac silylene complexes are driven by electron releasing and sterically unencumbered silicon-bound substituents.
Publisher: Wiley
Date: 15-10-2018
Abstract: An oxidation/substitution strategy for the synthesis of silicon analogues of classical organic carbonyl compounds is reported, by making use of a novel β-diketiminate-supported sila-acyl chloride-the first ex le of such a compound isolated without the use of a stabilizing Lewis acid. Nucleophilic substitution at the Si
Publisher: Wiley
Date: 03-01-2019
Abstract: Reactions of a boryl-substituted acyclic silylene with carbon dioxide and monoxide are reported. The former proceeds through oxygen atom abstraction, generating CO (with rearrangement of the putative silanone product through silyl-group transfer). The latter is characterized by reductive coupling of CO to give an ethynediolate fragment, which undergoes formal insertion into the Si-B bond. The net conversion of carbon dioxide with two equivalents of silylene offers a route for the three-electron reduction of CO
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Dinh Cao Huan Do.