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Showing 1 to 12 of 162 entries
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trans-4-.

Acta crystallographica. Section C, Crystal structure communications

Coe BJ, Harris JA, Gelbrich T, Hursthouse MB.
PMID: 11119000
Acta Crystallogr C. 2000 Dec;56:1487-9. doi: 10.1107/s0108270100012543.

The crystal structure of the dipolar chromophoric title compound, C(20)H(20)N(3)(+).PF(6)(-), is described. The phenylene and pyridyl rings are almost coplanar [dihedral angle 7.5 (2) degrees ], but the phenyl substituent forms a dihedral angle of 56.6 (1) degrees with...

Redox-Switched Control of Binding Strength in Hydrogen-Bonded Metallocene Complexes.

Angewandte Chemie (International ed. in English)

Carr JD, Coles SJ, Hursthouse MB, Light ME, Tucker JH, Westwood J.
PMID: 11028082
Angew Chem Int Ed Engl. 2000 Sep 15;39(18):3296-3299.

No abstract available.

2-(2-pyridylimino)-2H-1,2,4-thiadiazolo.

Acta crystallographica. Section C, Crystal structure communications

Coles SJ, Douheret D, Hursthouse MB, Kilburn JD.
PMID: 10902022
Acta Crystallogr C. 2000 Jun;56:687-8. doi: 10.1107/s0108270100003152.

No abstract available.

Synthesis of Enantio- and Diastereomerically Pure, Tetra- and Penta-Substituted Cyclopentanes by the Desymmetrization of endo-Norborn-5-ene-2,3-dicarboxylic Anhydrides.

The Journal of organic chemistry

Hibbs DE, Hursthouse MB, Jones IG, Jones W, Malik KM, North M.
PMID: 11674601
J Org Chem. 1999 Jul 23;64(15):5413-5421. doi: 10.1021/jo990140v.

The desymmetrization of endo-norborn-5-ene-2,3-dicarboxylic anhydrides by methyl (S)-prolinate followed by ozonolysis of the resulting carboxylic acids is used to prepare enantio- and diastereomerically pure, tetra- and penta-substituted cyclopentane derivatives in which all of the substituents on the cyclopentane ring...

Azatriquinanes: Synthesis, Structure, and Reactivity.

The Journal of organic chemistry

Hext NM, Hansen J, Blake AJ, Hibbs DE, Hursthouse MB, Shishkin OV, Mascal M.
PMID: 11672206
J Org Chem. 1998 Aug 21;63(17):6016-6020. doi: 10.1021/jo980788s.

Azatriquinane, a tricyclic amine with rigid, hemispherical topology, is synthesized in six steps from pyrrole. This first example of a [2.2.2]cyclazine can be oxidatively dimerized to a novel, highly strained heptacycle or oxidized with chlorine to give an azatriquinacene,...

fac,trans-.

Acta crystallographica. Section C, Crystal structure communications

Coe BJ, McDonald CI, Coles SJ, Hursthouse MB.
PMID: 10944290
Acta Crystallogr C. 2000 Aug;56:963-5. doi: 10.1107/s0108270100008076.

The crystal structure of the heterobimetallic title compound, [ReRuCl(C(10)H(16)As(2))(2)(C(10)H(8)N(2))(2)(CO)(3)](PF(6))(2). 2C(3)H(6)O, is described. Both metal centres have pseudo-octahedral coordination geometries, with a facial arrangement of the carbonyl ligands at Re(I) and a trans disposition of the diarsine ligands at Ru(II)....

trans-Bis[1,2-bis(diphenylphosphino)ethane-kappa(2)P,P']bis[4-(trimethylsilyl)buta-1,3-diynyl]ruthenium(II) and trans-bis[1,2-bis(diphenylphosphino)ethane-kappa(2)P,P']bis(buta-1,3-diynyl)ruthenium(II).

Acta crystallographica. Section C, Crystal structure communications

Anderson JN, Brookes NJ, Coe BJ, Coles SJ, Light ME, Hursthouse MB.
PMID: 12794326
Acta Crystallogr C. 2003 Jun;59:m215-7. doi: 10.1107/s0108270103007716. Epub 2003 May 20.

The crystal structures of the title compounds, [Ru(C(7)H(9)Si)(2)(C(26)H(24)P(2))(2)] and [Ru(C(4)H)(2)(C(26)H(24)P(2))(2)], are described. The metal centre in both complexes has an octahedral coordination geometry, with mutually trans buta-1,3-diynyl ligands forming pseudo-linear ruthenium-centred polyyne chains.

Anomalous NMR behavior of meso compounds with remote stereogenic centers on addition of chiral shift reagent or chiral solvating agent.

Journal of the American Chemical Society

Beşli S, Coles SJ, Davies DB, Eaton RJ, Hursthouse MB, Kiliç A, Shaw RA, Yenilmez Ciftçi G, Yeşilot S.
PMID: 12696914
J Am Chem Soc. 2003 Apr 23;125(16):4943-50. doi: 10.1021/ja028871r.

A problem has arisen in using chiral shift reagents (CSR) and chiral solvating agents (CSA) to determine meso and racemic forms of diastereoisomers in which the stereogenic centers of the molecules are separated by achiral spacers. It is found...

Migratory insertion in N-heterocyclic carbene complexes of palladium; an experimental and DFT study.

Chemical communications (Cambridge, England)

Danopoulos AA, Tsoureas N, Green JC, Hursthouse MB.
PMID: 12703808
Chem Commun (Camb). 2003 Mar 21;(6):756-7. doi: 10.1039/b212453j.

The first authenticated example of migration of a methyl group from palladium(II) to a coordinated N-heterocyclic carbene is described.

Upon the intriguing stereoselective formation of organobismuth(V) complexes.

Chemistry (Weinheim an der Bergstrasse, Germany)

Barucki H, Coles SJ, Costello JF, Hursthouse MB.
PMID: 12868419
Chemistry. 2003 Jun 16;9(12):2877-84. doi: 10.1002/chem.200304852.

The preparation of triphenylbismuth(V) 3a-k and antimony(V) 4e-k bis-carboxy ester complexes is described. A range of studies in solution suggest that the diastereoselective formation of (RR,SS)-3a-j is governed by the thermodynamic stability of rapidly interconverting epimeric species. Diastereoselectivity is...

Practical synthesis of chiral vinylphosphine oxides by direct nucleophilic substitution. Stereodivergent synthesis of aminophosphine ligands.

The Journal of organic chemistry

Oliana M, King F, Horton PN, Hursthouse MB, Hii KK.
PMID: 16526799
J Org Chem. 2006 Mar 17;71(6):2472-9. doi: 10.1021/jo052575q.

[reaction: see text] A practical synthesis of optically pure alkylphenylvinylphosphine oxides is described, utilizing a nucleophilic displacement at phosphorus to install the vinyl moiety. The products were used to prepare classes of P-stereogenic aminophosphine (PN) and aminohydroxyphosphine (PNO) ligands....

Synthesis and characterisation of benzyl phosphino-thioether and -thiolato Pd(II) complexes and their applications in Suzuki coupling reactions.

Dalton transactions (Cambridge, England : 2003)

Dervisi A, Koursarou D, Ooi LL, Horton PN, Hursthouse MB.
PMID: 17146536
Dalton Trans. 2006 Dec 28;(48):5717-24. doi: 10.1039/b609607g. Epub 2006 Oct 18.

The synthesis of the benzyl phosphinothioether derivatives Ph(2)PCH(2)CH(Et)SR and their corresponding palladium complexes are reported, where R = CH(2)Ph, R = CH(2)-3,5-Me-C(6)H(3) and R = 1-CH(2)C(10)H(7)(5). Crystallographic data obtained for the complexes Pd(3)Cl(2) and Pd(4)Cl(2) show intra- and inter-molecular...

Showing 1 to 12 of 162 entries