Search Results - "Porhiel, Emmanuel"

Synthesis and characterization of partially β-fluorinated 5,10,15,20-tetraphenylporphyrins and some derivatives by Leroy, Jacques, Porhiel, Emmanuel, Bondon, Arnaud

“…The synthesis of partially β-fluorinated meso-tetraphenylporphyrins using Lindsey conditions, has been examined, starting either from 3,4-difluoro-1 H-pyrrole…”
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Tetraethylammonium tetraselenotungstate: a new and efficient selenium transfer reagent for the chemoselective synthesis of functionalised diselenides by Saravanan, Vadivelu, Porhiel, Emmanuel, Chandrasekaran, Srinivasan

“…A variety of functionalised organodiselenides were prepared in excellent yields from the corresponding halides and activated alcohols on treatment with…”
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Utility of tetrathiomolybdate and tetraselenotungstate: efficient synthesis of cystine, selenocystine, and their higher homologues by Bhat, Ramakrishna G., Porhiel, Emmanuel, Saravanan, Vadivelu, Chandrasekaran, Srinivasan

“…Efficient synthesis of cystine, selenocystine, and their higher homologues like homo and bishomo amino acid derivatives from natural amino acid derivatives…”
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(β-Octafluoro-meso-tetraarylporphyrin)manganese Complexes: Synthesis, Characterization and Catalytic Behaviour in Monooxygenation Reactions by Porhiel, Emmanuel, Bondon, Arnaud, Leroy, Jacques

“…The synthesis and characterization of manganese complexes of β‐octafluoro‐meso‐tetraarylporphyrins are reported. The presence of the electron‐withdrawing…”
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On the role of β-fluorine substitution on the extent of core deformation of porphyrin dications by Porhiel, Emmanuel, Toupet, Loı̈c, Leroy, Jacques, Bondon, Arnaud

“…Careful analysis of fully and partially β-fluorinated dicationic porphyrins have been performed suggesting an electronic influence of the β-fluorine atoms on…”
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Synthesis and applications of propargyl pentafluorophenyl carbonate for peptide synthesis by Bhat, Ramakrishna G, Kérourédan, Erwan, Porhiel, Emmanuel, Chandrasekaran, Srinivasan

“…Propargyl pentafluorophenyl carbonate was synthesised in quantitative yield by the reaction of propargyl chloroformate and pentafluorophenol. All the…”
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Functionalised alkenylcarbene metal complexes (M=Ru, W, Cr) by activation of propargyl alcohol derivatives by Ulrich, Karine, Porhiel, Emmanuel, Péron, Vincent, Ferrand, Vincent, Le Bozec, Hubert

“…The reaction of arene ruthenium(II) complexes [Ru(η 6-C 6Me 4R 2)(PMe 3)Cl 2] ( 1, R=Me; 1′, R=H) with propargyl alcohol derivatives HCC(H)(OH)( p-C 6H 4X) (…”
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β-Octafluoro- meso-tetraarylporphyrin iron complexes as catalysts for monooxygenation reactions by Porhiel, Emmanuel, Bondon, Arnaud, Leroy, Jacques

“…The stability and catalytic activity of the β-octafluoro- meso-tetraarylporphyrin iron complexes for cyclooctene epoxidation, cyclohexane and benzene…”
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Tetraarylporphyrin synthesis by electrochemical oxidation of porphyrinogens by Bondon, Arnaud, Porhiel, Emmanuel, Pebay, Cécile, Thouin, Laurent, Leroy, Jacques, Moinet, Claude

“…The electrochemical synthesis of tetraarylporphyrins has been reinvestigated. Whereas the direct electrolysis of a mixture of benzaldehyde and pyrrole gave…”
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Synthesis of mixed bis(alkenylcarbene) ditungsten complexes by sequential activation of dialkynols by Péron, Vincent, Porhiel, Emmanuel, Ferrand, Vincent, Le Bozec, Hubert

“…The synthesis of new bis(alkenylcarbene) ditungsten complexes 2a–b, 5a and 6a has been achieved from W(CO) 5(THF), via activation of the dialkynol derivatives…”
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