Search Results - "Le Poul, P"

γ-Methylene chalcogenapyrans and benzopyrans as proaromatic donors in “push–pull” Fischer type carbene complexes: Influences of chalcogen atom and chain length on the electronic and N.L.O. properties of these molecules by Faux, N., Caro, B., Robin-Le Guen, F., Le Poul, P., Nakatani, K., Ishow, E.

“…N.L.O. properties of a new class of “push–pull” Fischer type carbene complexes bearing γ-methylene chalcogenapyran and benzopyran nucleus as proaromatic donors…”
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Reactivity of carbanions of Fischer-type carbene complexes with pyrylium salts. Synthesis and characterization of new γ-methylenepyran carbene complexes via an addition–oxidation–deprotonation process by Caro, Bertrand, Le Poul, Pascal, Robin-Le Guen, Françoise, Saillard, Jean-Yves, Kahlal, Samia, Moinet, Claude, Le Poul, Nicolas, Vaissermann, Jacqueline

“…The condensation reaction between γ-unsubstituted pyrylium salts and carbanions of Fischer-type carbene complexes allowed the synthesis of new γ-methylenepyran…”
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Synthesis of new highly conjugated bis-(4 H-pyrans) involving electron rich polyene linkage, by Pd° catalytic coupling of γ-methylenepyran Fischer-type carbene complexes by Robin-Le Guen, F, Le Poul, P, Caro, B, Faux, N, Le Poul, N, Green, S.J

“…Self dimerisation of methylenepyran carbene complexes affords bis-pyrans containing electron rich polyene linkage. The cyclic voltammograms of these new donors…”
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Synthesis of new highly conjugated bis-(4H-pyrans) involving electron rich polyene linkage, by Pd degrees catalytic coupling of gamma-methylenepyran Fischer-type carbene complexes by Robin-Le Guen, F., Le Poul, P., Caro, B., Faux, N., Le Poul, Nicolas, Green, S. J.

“…Self dimerisation of which lenepyran carbene complexes affords bis-pyrans containing electron rich polyene linkage. The cyclic voltammograms of these new…”
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Easy synthesis of heterocyclic carbene complexes by activation of chalcogenopyrones and benzopyrones to pyrylium salts and subsequent addition of carbanion of methoxy(methyl)pentacarbonyltungsten carbene complex by Le Bihan, J.-Y., Faux, N., Caro, B., Robin-Le Guen, F., Le Poul, P.

“…Methylenechalcogenopyran and benzopyran Fischer carbene complexes are obtained from commercially available chalcogenopyrones and benzopyrones and carbanion of…”
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Selective reactivity of diamino Fischer-type carbene complexes towards 2,6-disubstituted and 2,4,6-trisubstituted pyrylium salts and 2,4,6-trichloro-1,3,5-triazine by Le Poul, P., Caro, B., Robin-Le Guen, F.

“…The reaction of alkoxy Fischer-type carbene complexes with diamines gave amino carbenes with pendent NH 2. The free amino group of these complexes which could…”
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Easy synthesis of heterocyclic carbene complexes by activation of chalcogenopyrones and benzopyrones to pyrylim salts and subsequent addition of carbanion of methoxyl(methyl)pentacarbonyltungsten carbene complex by Le Bihan, J.-Y., Faux, N., Caro, B., Robin-Le Guen, F., Le Poul, P.

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Convenient synthesis of dithiafulvene carbene complexes as potential precursors of extended TTF by Robin-Le Guen, Françoise, Le Poul, Pascal, Caro, Bertrand

“…[Display omitted] The condensation of α-carbanion of Fischer-type carbene complex with 2-thiomethyl-1,3-dithiolium salts 1 gave new heterocyclic organometallic…”
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Synthesis of bis 2H and 4H-chalcogenapyrans and benzochalcogenapyrans via Pd0 catalysed dimerization of Fischer type carbene complexes. Redox properties of these new extended electron rich molecules by Faux, N., Robin-Le Guen, F., Le Poul, P., Caro, B., Le Poul, N., Le Mest, Y., J. Green, S., Le Roux, S., Kahlal, S., Y. Saillard, J.

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Synthesis of electron donor–acceptor polyunsaturated methylenepyran Fischer type carbene complexes: dynamic 1H-NMR study and solvatochromic properties by Robin-Le Guen, F, Le Poul, P, Caro, B, Pichon, R, Kervarec, N

“…Condensation of α and γ methylenepyran aldehydes with the Fischer carbene complexes (CO) 5MC(OCH 3)Me (M=Cr, W) or (CO) 5WC(OCH 3)CHCH–CH 3 in the presence…”
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1,2 and 1,6 Additions of Lithium Reagents to γ-Methylenepyran Fischer-Type Carbene Complexes; Evolution of the 1,2 and 1,6 Adducts to Unsaturated Carbene Complexes Indirectly Stabilized by a Heteroatom, and to Pyranylidene Carbene Complexes by Caro, Bertrand, Le Poul, Pascal, Robin-Le Guen, Françoise, Sénéchal-Tocquer, Marie-Claude, Saillard, Jean-Yves, Kahlal, Samia, Ouahab, Lahcène, Golhen, Stéphane

“…1,2 and 1,6 additions of lithium reagents to γ‐methylenepyran Fischer‐type carbene complexes are described. The 1,2 adducts obtained from alkynyllithium…”
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Reactivity of carbanions of Fischer-type carbene complexes with pyrylium salts. Synthesis of new γ-methylenepyran carbene complexes via an addition-oxidation-deprotonation process by Caro, Bertrand, Le Poul, Pascal, Robin-Le Guen, Françoise, Sénéchal-Tocquer, Marie-Claude, Vaisserman, Jacqueline

“…The condensation reaction between γ-unsubstituted pyrylium salts and carbanions of Fischer-type carbene complexes allowed the synthesis of new γ-methylenepyran…”
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Reaction of carbanion of Fischer-type carbene complexes with pyrylium salts. One pot substituted benzophenones formation by subsequent cyclization and double hydrogen β-elimination by Le Poul, Pascal, Robin-Le Guen, Françoise, Sénéchal-Tocquer, Marie-Claude, Caro, Bertrand

“…Carbanions of Fischer-type carbene complex react with pyrylium salts. The unstable dienone formed gives substituted benzophenones after ring-closure and…”
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