Výsledky vyhledávání - "S. Halut-Desportes"

Structure of 5-(3,4,5-trimethoxyphenyl)-2-iodomethyltetrahydrofuran: a precursor of acetylcholinesterase inhibitors with platelet-activating factor antagonistic activity

Autor: S. Halut-Desportes, Edith Favre, J.-J. Godfroid, L. Le Texier

Publikováno v: Acta Crystallographica Section B Structural Science. 51:863-867

The trans configuration of an iodomethyltetrahydrofuran derivative (2) has been determined as part of a structure-activity relationships study of acetylcholinesterase inhibitors with correlated platelet-activating factor antagonistic activity. Synthe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7b201cfd89a038c01adf67462ed6303
https://doi.org/10.1107/s0108768195000541

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ChemInform Abstract: Structures of (2R,4S,5R)-3,4-Dimethyl-2,5-diphenyl-1,3,2- oxazaphospholidine(P-B)borane (I) and of (2R,5S)-5-Methyl-2,4,4- triphenyl-1,3,2-dioxaphospholane(P-B)borane (II)

Autor: S. Halut-Desportes, J.P. Genet, M. Stephan, S. Jeannin, Sylvain Jugé

Publikováno v: ChemInform. 22

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4fe11fd3dcdbe05d1ab07aa0a4aa9006
https://doi.org/10.1002/chin.199104064

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ChemInform Abstract: Structure of (2R)-2-((1S,2R,3S)-3-Hydroxy-2-methylcyclopentyl)-6- methyl-6-heptenoic Acid

Autor: S. Halut-Desportes, S. Jeannin

Publikováno v: ChemInform. 22

C 14 H 24 O 3 cristallise dans P1 avec a=8,532, b=8,596, c=10,425 A, α=100,89, β=100,11, γ=104,98°, Z=2; affinement jusqu'a R=0,049. On obtient le stereoisomere cis quand on utilise le ⊥-selectride en tant qu'agent reducteur de la cyclopentanon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5efedd57eaf1c0da91191d33beb3c4dd
https://doi.org/10.1002/chin.199116275

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ChemInform Abstract: Stereochemistry of the P-C Bond Formation in an Oxazaphospholidine Borane Complex

Autor: M. Stephan, Sylvain Jugé, R. Merdes, J. P. Genet, S. Halut-Desportes

Publikováno v: ChemInform. 24

The reaction of the 3,4-dimethyl-2,5-diphenyl-1,3,2-oxazaphospholidine borane complex 1 with organometallic reagents involves a stereoselective P–O bond cleavage; the X-ray structures of the starting complex 1 and of the aminophosphine boranes 2a,b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73844167375028dc3363dceb2d4f2881
https://doi.org/10.1002/chin.199332202

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Structures of (2R,4S,5R)-3,4-dimethyl-2,5-diphenyl-1,3,2-oxazaphospholidine(P–B)borane (1) and of (2R,5S)-5-methyl-2,4,4-triphenyl-1,3,2-dioxaphospholane(P–B)borane (2)

Autor: Sylvain Jugé, S. Jeannin, S. Halut-Desportes, M. Stephan, J. P. Genet

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 46:1869-1872

C 16 H 21 BNOP(1) cristallise dans P2 1 , avec a=10,570, b=7,796, c=10,409 A, β=107,74 o , Z=2, affinement jusqu'a R=0,036. La configuration absolue R de l'atome P est deduite de la configuration R connue du C(5) et de la configuration S du C(4). C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a079712f307ef5094f0580356fb1bd99
https://doi.org/10.1107/s0108270189014046

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Stereochemistry of the P–C bond formation in an oxazaphospholidine borane complex

Autor: R. Merdes, S. Halut-Desportes, Sylvain Jugé, M. Stephan, J. P. Genet

Publikováno v: J. Chem. Soc., Chem. Commun.. :531-533

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe3db42d5be977af6a28dfa47bcf99bf
https://doi.org/10.1039/c39930000531

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Structure of (2R)-2-[(1S,2R,3S)-3-hydroxy-2-methylcyclopentyl]-6-methyl-6-heptenoic acid

Autor: S. Halut-Desportes, S. Jeannin

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 47:115-117

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1929767499d9138bd12ff4cfdedcc5b8
https://doi.org/10.1107/s0108270190003110

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Spectres d'absorption infrarouge et calcul de champ de force de complexes de coordination: halogénures de magnésium et de calcium avec le méthanol ou l'éthanol

Autor: E. Husson, S. Halut-Desportes

Publikováno v: Spectrochimica Acta Part A: Molecular Spectroscopy. 41:661-673

Infrared spectra of coordination complexes M(ROH)6X2 and M(ROH)4X2 with M = Mg, Ca; R = CH3, C2H5; X = Cl, Br are analysed. The spectra of the alcohol molecules are less modified at frequencies higher than 800 cm−1; below, the ϱ(OH) mode is shifte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3f4835e432f017978cb537e6becb929
https://doi.org/10.1016/0584-8539(85)80172-0

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