skip to content

Yusuf Hamied Department of Chemistry

 
Two triorganostannate complexes synthesised from bis(cyclopentadienyl)tin(<scp>II</scp>); structural variation between [Mg(thf)<sub>6</sub>]<sup>2+</sup>2[Sn(η<sup>3</sup>-C<sub>5</sub>H<sub>5</sub>)<sub>3</sub>]<sup>–</sup>and [Li(thf)<sub>4</sub>]<sup>+</sup>[Sn(C<sub>13</sub>H<sub>9</sub>)<sub>3</sub>]<sup>–</sup>(thf = tetrahydrofuran, C<sub>13</sub>H<sub>9</sub>= fluorenyl)
AJ EDWARDS, MA PAVER, PR RAITHBY, CA RUSSELL, D STALKE, A STEINER, DS WRIGHT
– Dalton Transactions
(1993)
1465
The observation of a Pb–Li bond; synthesis, structure and model molecular orbital (MO) calculations on the monomeric Ph 3 Pb–Li·(pmdeta) complex [pmdeta =(Me 2 NCH 2 CH 2 ) 2 NMe]
DR ARMSTRONG, MG DAVIDSON, D MONCRIEFF, D STALKE, DS WRIGHT
– J. Chem. Soc., Chem. Commun.
(1992)
1413
METAL-MEDIATED CONVERSION OF A 5-AMINOTHIATRIAZOLE INTO A 5-MERCAPTOTETRAZOLYL LIGAND BY REACTION WITH A SOLID METAL HYDROXIDE - SYNTHESIS AND CRYSTAL-STRUCTURE OF [CYCLO-NAPHTHYLN-BULLET-N=N-BULLET-N-RADICAL-ANIONC(RADICAL-ANIONS)]2BA-BULLET-3HMPA
FA BANBURY, MG DAVIDSON, A MARTIN, PR RAITHBY, R SNAITH, KL VERHOREVOORT, DS WRIGHT
– J. Chem. Soc., Chem. Commun.
(1992)
1152
THE 1ST CALCIUM-MERCURY COCOMPLEX - SYNTHESIS AND CRYSTAL-STRUCTURE
MG DAVIDSON, SC LLEWELLYN, MIL SOLERA, PR RAITHBY, R SNAITH, DS WRIGHT
– J. Chem. Soc., Chem. Commun.
(1992)
573
ISOLATION, STRUCTURE AND MO CALCULATIONAL INVESTIGATIONS OF A HIGHLY STABLE, HYDROGEN-BONDED PRIMARY AMINE PHOSPHINE OXIDE ADDUCT, 2-AMINOBENZOTHIAZOLE HMPA, C6H4SC(=N)NH2.O=P(NME2)3 - A POSSIBLE MODEL TO EXPLAIN THE CARCINOGENICITY OF HMPA (HMPA = HEXAMETHYLPHOSPHORAMIDE)
DR ARMSTRONG, S BENNETT, MG DAVIDSON, R SNAITH, D STALKE, DS WRIGHT
– Chemical Communications
(1992)
262
THE STABILIZATION OF WATER AS A LIGAND IN LITHIATED ORGANIC-COMPOUNDS - INTRAMOLECULAR AND INTERMOLECULAR HYDROGEN-BONDING IN THE STRUCTURES OF THE AQUO COMPLEXES [C6H4OC(=S)=NLI-HMPA-H2O]2 AND [C6H4OC(=S)=NLI-HMPA]2-H2O
DR ARMSTRONG, D BARR, PR RAITHBY, R SNAITH, DS WRIGHT, PV SCHLEYER
– Inorganica Chimica Acta
(1991)
185,
163
Lithiations of mercaptoamines containing NC(S)NH–,–NHC(S)S– and –NHC(S)NH– units: syntheses, crystal structures and model molecular-orbital calculations
DR ARMSTRONG, RE MULVEY, D BARR, RW PORTER, PR RAITHBY, TRE SIMPSON, R SNAITH, DS WRIGHT, K GREGORY, P MIKULCIK
– J. Chem. Soc., Dalton Trans.
(1991)
765
THE 1ST LITHIATED ORGANIC-COMPOUND CONTAINING WATER AS A LIGAND - SYNTHESIS AND CRYSTAL-STRUCTURE OF 2-MERCAPTOBENZOXAZOLYL(TETRAMETHYLETHYLENEDIAMINE)LITHIUM MONOHYDRATE, C6H4OC(=S)=NLI(TMEDA)H2O, A MODEL ACID-BASE INTERMEDIATE
D BARR, PR RAITHBY, PV SCHLEYER, R SNAITH, DS WRIGHT
– Chemical Communications
(1990)
643
Unusual routes to complexes of binary alkali metal–non-metal compounds: preparations and crystal and solution structures of Li<sub>2</sub>S<sub>6</sub>·(tmeda)<sub>2</sub>(tmeda = etramethylethylenediamine), and synthetic extensions of the routes
AJ BANISTER, D BARR, AT BROOKER, W CLEGG, MJ CUNNINGTON, MJ DOYLE, SR DRAKE, WR GILL, K MANNING, PR RAITHBY, R SNAITH, K WADE, DS WRIGHT
– J. Chem. Soc., Chem. Commun.
(1990)
105
[H2C(CH2)5NLI]6, THE 1ST CYCLIZED LITHIUM AMIDE LADDER - SYNTHESIS AND STRUCTURE OF HEXAMETHYLENEIMIDOLITHIUM
D BARR, W CLEGG, SM HODGSON, GR LAMMING, RE MULVEY, AJ SCOTT, R SNAITH, DS WRIGHT
– ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH
(1989)
28,
1241
Dilithiation of N,N′-diphenylthiourea, PhNHC(S)NHPh, in HMPA: the unexpected structure of the product, [PhNPh)SLi·2HMPA]2, and supporting ab initio MO calculations on model systems
DR ARMSTRONG, RE MULVEY, D BARR, R SNAITH, DS WRIGHT, W CLEGG, SM HODGSON
– Journal of Organometallic Chemistry
(1989)
362,
c1
A unique lithium halide complex, [(LiBr)<sub>2</sub>·3HMPA·toluene]: synthesis from reaction of solid NH<sub>4</sub>Br with Bu<sup>n</sup>Li in HMPA (hexamethylphosphoramide)/toluene media, crystal structure showing two Li–Br units linked by three µ<sub>2</sub>-HMPA ligands, and detection of<sup>7</sup>Li ⋯<sup>31</sup>P coupling in solutions of the complex
D BARR, MJ DOYLE, RE MULVEY, PR RAITHBY, D REED, R SNAITH, DS WRIGHT
– J. Chem. Soc., Chem. Commun.
(1989)
318
Two monomeric, octahedral complexes of alkaline earth metal salts: syntheses, physical characteristics, and crystal structures of Srl<sub>2</sub>·4HMPA and Sr(NCS)<sub>2</sub>·4HMPA [HMPA = O : P(NMe<sub>2</sub>)<sub>3</sub>]
D BARR, AT BROOKER, MJ DOYLE, SR DRAKE, PR RAITHBY, R SNAITH, DS WRIGHT
– J. Chem. Soc., Chem. Commun.
(1989)
893
Reaction of solid sodium hydride with solid ammonium thiocyanate in HMPA-toluene: An ESR spectroscopic investigation and crystal structures of the two products of the reaction, [(NaNCS·HMPA)2]∞ and (NaNCS·2HMPA)2
D BARR, MJ DOYLE, SR DRAKE, PR RAITHBY, R SNAITH, DS WRIGHT
– Polyhedron
(1989)
8,
215
Synthesis and crystal and solution structures of the 1 : 1 TMEDA complex of lithium thiocyanate, (LiSCN·TMEDA) n [TMEDA = Me 2 N(CH 2 ) 2 NMe 2 ]: a polymeric solid with Li + ions linked by bifunctional linear SCN – ligands
D BARR, MJ DOYLE, RE MULVEY, PR RAITHBY, R SNAITH, DS WRIGHT
– Chemical Communications
(1988)
145
Evidence for a radical-forming process during the reaction of solid NH 4 SCN with n-butyl-lithium and hexamethylphosphosphoramide (HMPA) in toluene: crystal structure of the product, (LiNCS·2HMPA) 2
D BARR, MJ DOYLE, SR DRAKE, PR RAITHBY, R SNAITH, DS WRIGHT
– Chemical Communications
(1988)
1415
A Li<sub>8</sub>cluster of three edge-connected Li<sub>4</sub>tetrahedra held by Li–N, Li ⋯ C, and Li ⋯ Li interactions: crystal structure of (o-LiC<sub>6</sub>H<sub>4</sub>CH<sub>2</sub>·NLi·CH<sub>2</sub>CH<sub>2</sub>NMe<sub>2</sub>)<sub>4</sub>and detection of metal ⋯ metal coupling within it by<sup>7</sup>Li COSY n.m.r. spectroscopy
D BARR, W CLEGG, SM HODGSON, RE MULVEY, D REED, R SNAITH, DS WRIGHT
– Chemical Communications
(1988)
367
Isolation and solution structures of {PhCH2NLiCH2CH2NMe2}n and of the totally rigid dilithium compound, {o-LiC6H4CH2NLiCH2CH2NMe2}n; evidence for Li…o-HC interactions
D BARR, R SNAITH, DS WRIGHT, RE MULVEY, K JEFFREY, D REED
– Journal of Organometallic Chemistry
(1987)
325,
C1
Three model structural types in lithium amide chemistry: the crystal and molecular structures of dimeric [Ph(Me)NLi·TMEDA]<sub>2</sub>(TMEDA = Me<sub>2</sub>NCH<sub>2</sub>CH<sub>2</sub>NMe<sub>2</sub>) and monomeric Ph(naphthyl)NLi·PMDETA [PMDETA = MeN(CH<sub>2</sub>CH<sub>2</sub>NMe<sub>2</sub>)<sub>2</sub>], and of [Ph(naphthyl)NLi·TMEDA]<sub>2</sub>, a ‘loose dimer’
D BARR, W CLEGG, RE MULVEY, R SNAITH, DS WRIGHT
– J. Chem. Soc., Chem. Commun.
(1987)
716