Search Results - "GUIBE, F"
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Palladium- and molybdenum-catalyzed hydrostannation of alkynes. A novel access to regio- and stereodefined vinylstannanes
Published in Journal of organic chemistry (01-03-1990)Get full text
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Solid-Phase Peptide Synthesis in the Reverse (N → C) Direction
Published in Organic letters (29-06-2000)“…A new strategy for SPPS in the reverse direction based on the use of 2-Cl-trityl resin, an allyl ester as the temporary protecting group, and Cu(OBt)2/DIPCDI…”
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Palladium-catalyzed reaction of tributyltin hydride with acyl chlorides. A mild, selective, and general route to aldehydes
Published in Journal of organic chemistry (01-10-1981)Get full text
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Weakly Oriented Liquid-Crystal NMR Solvents as a General Tool to Determine Relative Configurations
Published in Chemistry : a European journal (22-09-2003)“…A new NMR method to determine the relative configuration of asymmetric centres is presented. It proceeds through the use of a weakly ordered solvent and the…”
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On the allyl protection of the imidazole ring of histidine
Published in Tetrahedron (01-09-1997)“…The regiospecific synthesis of the N( π)-allyl and the N( τ)-allyl derivatives of N( α)- tert-butoxycarbonyl-histidine is described. The DCC-mediated coupling…”
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Selective cleavage of the allyl and allyloxycarbonyl groups through palladium-catalyzed hydrostannolysis with tributyltin hydride. Application to the selective protection-deprotection of amino acid derivatives and in peptide synthesis
Published in Journal of organic chemistry (01-10-1987)Get full text
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SmI2-Mediated 3-exo-trig cyclisation of δ-oxo-α,β-unsaturated esters to cyclopropanols and derivatives
Published in Tetrahedron (02-08-2004)Get full text
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Selective cleavage of the allyl and (allyloxy)carbonyl groups through palladium-catalyzed hydrostannolysis with tributyltin hydride. Application to the selective protection-deprotection of amino acid derivatives and in peptide synthesis
Published in Journal of organic chemistry (01-10-1987)Get full text
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Diastereoselective SmI2-mediated cyclisation of δ-oxo-α,β-unsaturated esters to cyclopropanols
Published in Tetrahedron letters (23-12-2002)Get full text
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An access to ( Z)-ethylenic pseudodipeptides based on ring-closing metathesis
Published in Tetrahedron (02-09-2002)“…A new access to enantiopure ( Z)-ethylenic pseudopeptides, starting from the chiral pool of amino acids and enantiopure 2-substituted-but-3-enoic acids is…”
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Use of Alloc-amino acids in solid-phase peptide synthesis. Tandem deprotection-coupling reactions using neutral conditions
Published in Tetrahedron letters (13-10-1997)“…The use of Alloc group in SPPS for the N α protection of amino acids is an alternative to the Boc and Fmoc protecting groups. The smooth removal of Alloc group…”
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Investigation of SmI2-mediated cyclisation of δ-iodo-α,β-unsaturated esters by deuterium 2D NMR in oriented solvents
Published in Tetrahedron: asymmetry (01-08-2002)“…We have investigated the mechanism of the SmI2-mediated cyclisation of -iodo-,-unsaturated esters using protondecoupleddeuterium 1D and 2D NMR in weakly…”
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Enantioconservative synthesis and ring closing metathesis of disubstituted dialkenic amides
Published in Tetrahedron letters (10-09-1998)“…Optically pure disubstituted dialkenic amides 2, which are direct precursors of Z-ethylenic pseudopeptides 1, are readily synthesized and then cyclized to…”
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New allyl group acceptors for palladium catalyzed removal of allylic protections and transacylation of allyl carbamates
Published in Tetrahedron letters (07-08-1995)“…Graphic Allyl carboxylates, carbamates and phenoxides may be cleaved or transacylated in the presence of palladium catalyst and either phenyltrihydrosilane or…”
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Tandem deprotection-coupling of Nα-Alloc-amino acids by use of ternary systems Pd cat./PhSiH3/carboxy-activated amino acid
Published in Tetrahedron letters (26-03-1999)Get full text
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Regio- and stereoselective reductive opening of diene-ester derived monoepoxides with palladium catalyst and dimethylamine–borane complex
Published in Tetrahedron letters (29-04-2000)“…Monoepoxides of diene-esters are regio- and stereoselectively reduced to homoallylic alcohols by dimethylamine–borane complex in the presence of acetic acid…”
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Allylic protection of thiols and cysteine: II: The N-[2,3,5,6-tetrafluoro-4-( N′-piperidino)-phenyl], N-allyloxycarbonylaminomethyl (Fnam) group
Published in Tetrahedron (28-05-1999)“…S-[ N-[2,3,5,6-tetrafluoro-4-( N′-piperidino)-phenyl], N-allyloxycarbonyl]-aminomethyl (Fnam) derivatives of thiols in general and cysteine in particular are…”
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Allylic protection of thiols and cysteine: I: The allyloxycarbonylaminomethyl group
Published in Tetrahedron (28-05-1999)“…S-allyloxycarbonylaminomethyl derivatives of thiols in general and cysteine in particular are readily deprotected by palladium catalysed hydrostannolysis with…”
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