J.‐C. Wallet

Research Field

Triclinic crystal system

Crystal (programming language)

10.1007/bf01263590

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CCDC 202074: Experimental Crystal Structure Determination

The Cambridge Structural Database (2003)

Elena López Lago Elı́es Molins C. Miravitlles J.‐C. Wallet

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/cc6s8jr

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CCDC 146262: Experimental Crystal Structure Determination

The Cambridge Structural Database (2000)

Nikolai Galitsky Vivian Cody J.‐C. Wallet

Crystal (programming language)

10.5517/cc4x64c

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Dimerisation de monoolefines catalysee par des complexes du nickel et du cobalt generes electrochimiquement

Journal of Organometallic Chemistry (1986)

H. Masotti J.‐C. Wallet Gilbert Peiffer François Petit André Mortreux

10.1016/s0022-328x(00)99541-x

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Citations (13)

Demethylation-Sulfonation of 2',3',4'-Trimethoxyflavones

Heterocycles (1999)

Amar Habsaoui José Luis Franquet Cami Émile M. Gaydou J.‐C. Wallet

Total demethylation of 2',3',4'-trimethoxyflavones with sulfuric acid was realised at mild temperature giving respective 2',3',4'-trihydroxyilavone-5'sulfonic acids.A multi steps mechanism is proposed in the light of earlier results and the complete assignment of the 'H and% NMR spectra of a suggested 3'hydroxy-2',4'-dimethoxy intermediate.

Demethylation

Sulfonic acid

10.3987/com-99-8546

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Citations (1)

ChemInform Abstract: Structures of 2‐(2‐Methoxyphenyl)‐4H‐1‐benzopyran‐4‐one and 5,7‐Dimethoxy‐2‐(2,4‐dimethoxyphenyl)‐4H‐1‐benzopyran‐4‐one (2′‐Methoxyflavone and 2′,4′,5,7‐Tetramethoxyflavone)

ChemInform (1990)

J.‐C. Wallet E. M. Gaydou J. Jaud A. Baldy

Benzopyrans

10.1002/chin.199047252

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2,4,6-Trimethoxybenzoic acid

Acta Crystallographica Section E Structure Reports Online (2001)

J.‐C. Wallet Elı́es Molins C. Miravitlles

In the crystal structure of 2,4,6-trimethoxybenzoic acid, C10H12O5, the molecules form hydrogen-bonded chains. The carboxyl group is in a syn conformation. The lone pair of electrons acting as the hydrogen bond acceptor is in an anti orientation.

Lone pair

Benzoic acid

Acceptor

Electron acceptor

Crystal (programming language)

10.1107/s1600536801016610

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Citations (2)

1-Phenyl-3-(3,4,5-trimethoxyphenyl)-1,3-propanedione

Acta Crystallographica Section C Crystal Structure Communications (1995)

J.‐C. Wallet Elı́es Molins C. Miravitlles

The crystal structure of 1-phenyl-3-(3,4,5-trimethoxyphenyl)-1,3-propanedione, C 18 H 18 O 5 , consists of discrete molecules separated by normal van der Waals interactions. The molecule exists in the enol form [i.e. 3-hydroxy-1-phenyl-3-(3,4,5-trimethoxyphenyl)propene-1-one] in the solid state, stabilized by a short intramolecular hydrogen bond

10.1107/s0108270194007687

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Citations (2)

2'-Hydroxy-3'-methoxy-5'-flavonesulfonic Acid Trihydrate: a New Zwitterion

Acta Crystallographica Section C Crystal Structure Communications (1998)

J.‐C. Wallet Amar Habsaoui E. M. Gaydou Elı́es Molins C. Miravitlles

The title compound, C16H12O7S.3H2O, displays an anionic part, the deprotonated sulfonic group and a cationic part, the protonated carbonyl group, indicative of a zwitterionic structure. These two parts in different molecules are linked by hydrogen bonding involving three water molecules.

Zwitterion

Cationic polymerization

Sulfonic acid

10.1107/s0108270197014169

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Citations (2)

Gas chromatography of some polymethoxylated flavones and their determination in orange peel oils

Journal of Chromatography A (1991)

Émile M. Gaydou Tahar Berahia J.‐C. Wallet Jean‐Pierre Bianchini

Nobiletin

Flavones

10.1016/s0021-9673(00)91457-2