Výsledky vyhledávání - "J.-M. Mattalia"

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Formation of Grignard Reagents from Aryl Halides: Effective Radical Probes Hint at a Nonparticipation of Dianions in the Mechanism

Autor: J.-M. Mattalia, Bodineau N, Negrel Jc, Thimokhin, Chanon M, Handoo K

Publikováno v: Organic Letters. 2:2303-2306

We have prepared highly efficient radical probes 2a-b involving the hex-5-enyl rearrangement. The reaction of 2a-b with active magnesium leads to the cyclized products 4a-b, providing a direct evidence of radical intermediates during the formation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fd190622e73de442ba77e894877f728
https://doi.org/10.1021/ol006071k

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Crystal structure of a new precursor of radical-clock based on the norbornenyl framework

Autor: C. Bernard-Henriet, A. Baldy, Michel Chanon, Joël Jaud, J. M. Mattalia

Publikováno v: Journal of Chemical Crystallography. 27:485-488

The crystal of 5-phenyl-2-endo-(propane-2-sulfonyl)-bicyclo[2-2-1]hept-5-ene-2-carbonitrile1, a new radical-clock is described. The structure has confirmed the configuration for the positions of the phenyl and sulfonyl groups. In the crystal, the rad

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c45bdc420035d105ab13567abcecb758
https://doi.org/10.1007/bf02576589

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Occurence of a radical intermediate during the reductive decyanation of an α-sulfonitrile with LiAlH4

Autor: J.-M. Mattalia, Y. Berchadsky, Jean-Claude Négrel, P. Tordo, Michel Chanon, Eric Péralez

Publikováno v: Tetrahedron Letters. 37:4717-4720

LiAlH 4 reduction of 2-(isopropylsulfonyl)-bicyclo[2.2.1]hept-5-ene-2-carbonitrile 1 gave the reduced product 2 resulting from the first reported LiAlH 4 induced α-sulfonitrile decyanation. Experiments using LiAlD 4 suggest the involvement of a radi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9c006ff0dee9bf99bbe09eac4264494
https://doi.org/10.1016/0040-4039(96)00949-5

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Clear cut example of preference for a 6-membered ring radical cyclisation over the homologous 5-membered ring radical cyclisation. The reaction of 5-[bromoalkyl]-5H-dibenzo[a,d]cycloheptenes with Bu3SnH

Autor: C. Hada, Michel Chanon, J.-M. Mattalia, Mircea D. Banciu

Publikováno v: Tetrahedron Letters. 37:3845-3848

The radical cyclisation reaction of the 5-[2-bromo-ethyl]-5H-dibenzo[ a , d ]cycloheptene 4 with Bu 3 SnH and AIBN led to the cyclised hydrocarbon 5 as major product, whereas the bromo-derivative 8 with Bu 3 SnH and AIBN gave only the straight chain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4ad2e651677516bcfcfa90d1d429c06
https://doi.org/10.1016/0040-4039(96)00695-8

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Analysis of the1H and13C NMR Spectra of 5-(Endo)-isopropylsulfonyl-5-(exo)-phenyl-2-norbornene-7-spiro-cyclopentane and Di[cyclopentane -spiro-cyclopentadiene] Through the Application of Two-Dimensional NMR Techniques

Autor: J.-M. Mattalia, G. Schroeder, R. Faurea, M. Chanon

Publikováno v: Spectroscopy Letters. 28:879-888

Analysis of 13C and H NMR spectra of cycloadducts 1 and 2 was achieved using a concerted application of two-dimensional homonuclear and heteronuclear chemical shift correlations.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59458e70dde6ef65765406dc3e1c8ddf
https://doi.org/10.1080/00387019508009927

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Complete Analysis of the1H and13C NMR Spectra of 5-Isopropylsulfonyl-2-Norbornenes Through the Application of Two-Dimensional NMR Techniques

Autor: A. Samat, J.-M. Mattalia, Michel Chanon, Robert Faure

Publikováno v: Spectroscopy Letters. 26:575-583

Total assignment of 13C and 1H NMR spectra of the 5-isopropylsulfonyl-2-norbornenes 2 was achieved using the concerted application of two-dimensional homonuclear and heteronuclear chemical shift correlations. The stereochemistry of both the diastereo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aca30a8098effb87fcb6839466d107b4
https://doi.org/10.1080/00387019308011555

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ChemInform Abstract: First Observation of a C-CN Bond Cleavage During the Reduction of a Nitrile with LiAlH4: A SET Reaction?

Autor: André Samat, J.‐M. Mattalia, Michel Chanon

Publikováno v: ChemInform. 22

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::489176d78ea0b2213d8ab49a02847157
https://doi.org/10.1002/chin.199139104

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ChemInform Abstract: Mechanistic Investigation of the Reaction Between α-Sulfonyl Carbanions and Polyhalogenomethanes. Electron Transfer versus Polar Pathways

Autor: J.‐M. Mattalia, Bernard Vacher, Michel Chanon, André Samat

Publikováno v: ChemInform. 23

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf2da4d5a9a1e205adde6e025accb892
https://doi.org/10.1002/chin.199237099

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Mechanistic investigation of the reaction between .alpha.-sulfonyl carbanions and polyhalogenmethanes. Electron transfer versus polar pathways

Autor: André Samat, Michel Chanon, Bernard Vacher, J. M. Mattalia

Publikováno v: Journal of the American Chemical Society. 114:4111-4119

A number of α-sulfonyl carbanion precursors, whose structures include a double bond appropriately situated to intramolecularly trap the potential radical formed by 1-e oxidation, have been synthesized and reacted with CCl 4 , CBr 4 , and BrCCl 3 in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2ee21bf170bbb62d70b0142032f8eb1
https://doi.org/10.1021/ja00037a012

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