481084

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Showing 1-7 of 7 results for "481084" within Papers

Advanced Synthesis & Catalysis, 345, 15-32 (2003)

3-demethoxy-3-glycosylaminothiocolchicines: Synthesis of a new class of putative muscle relaxant compounds.

Maria Luisa Gelmi et al.

Journal of medicinal chemistry, 49(18), 5571-5577 (2006-09-01)

A novel class of 3-demethoxy-3-glycosylaminothiocolchicines (7) was prepared and tested for muscle relaxant activity. The syntheses were performed starting from the new 3-amino-3-demethoxythiocolchicine (5) prepared in good yield from 3-O-demethylthiocolchicine (1c) using the Buchwald-Hartwig reaction. The condensation of 5 with

Copper-catalyzed intermolecular hydroamination of alkenes.

Jason G Taylor et al.

Organic letters, 8(16), 3561-3564 (2006-07-28)

[reaction: see text] Regioselective additions of arylsulfonamides to vinylarenes, norbornene, and cyclohexadiene were achieved using a copper-diphosphine catayst under mild reaction conditions. These processes appear to be ligand-accelerated.

Organometallics, 23, 3398-3416 (2004)

Tetrahedron Letters, 47, 5079-5079 (2006)

Direct ester condensation catalyzed by bulky diarylammonium pentafluorobenzenesulfonates.

Akira Sakakura et al.

Nature protocols, 2(7), 1746-1751 (2007-07-21)

A protocol for ester condensation between equimolar amounts of carboxylic acids and alcohols catalyzed by bulky diarylammonium pentafluorobenzenesulfonate is described. We also present procedures for the synthesis of N-(2,6-diisopropylphenyl)-N-mesitylammonium pentafluorobenzenesulfonate. The present ester condensation proceeds well under mild conditions even

The preparation of bi-functional organophosphine oxides as potential antitumor agents.

Kim-Hung Lam et al.

European journal of medicinal chemistry, 45(11), 5527-5530 (2010-09-14)

Following our previously reported pyridinyl phosphine oxides as antitumor agents, we targeted the commercially available C(2)-axial chiral organophosphine ligand catalysts, such as 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl (BINAP) 1 and 2,2',6,6'-tetramethoxy-4,4'-bis(diphenylphosphino)-3,3'-bipyridine (P-Phos) 2 as a convenient source for producing organophosphine oxides as antitumor leads.

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