Search Results - "Combret, C."

Capillary gas chromatographic properties of three new mono-ester permethylated β-cyclodextrin derivatives by Tisse, S., Peulon-Agasse, V., Cardinaël, P., Bouillon, J.-P., Combret, J.-C.

“…2 I- O-Methoxycarbonylmethyl-2 II–VII,3 I–VII,6 I–VII-eicosa- O-methyl-cyclodextrin (20Me/P2OCH 2COOMe), 6 I- O-methoxycarbonylmethyl-2 I–VII,3 I–VII,6…”
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Synthesis, NMR Spectroscopic Characterization and Polysiloxane-Based Immobilization of the Three Regioisomeric Monooctenylpermethyl-β-cyclodextrins and Their Application in Enantioselective GC by Cousin, H., Trapp, O., Peulon-Agasse, V., Pannecoucke, X., Banspach, L., Trapp, G., Jiang, Z., Combret, J. C., Schurig, V.

“…2I−VI,3I−VII,6I−VII‐Eicosa‐O‐methyl‐2I‐O‐(oct‐7‐enyl)cyclomaltoheptaose, 2I−VII,3I−VI,6I−VII‐eicosa‐O‐methyl‐3I‐O‐(oct‐7‐enyl)cyclomaltoheptaose, and…”
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High-rate glass resistive plate chambers for LHC muon detectors upgrade by Laktineh, I., Caponetto, L., Cauwenbergh, S., Combret, C., Crotty, I., Haddad, Y., Grenier, G., Guida, R., Kieffer, R., Lumb, N., Mirabito, L., Schirra, F., Seguin, N., Tytgat, M., Van der Donckt, M., Wang, Y., Zaganidis, N.

“…The limitation of the detection rate of standard bakelite resistive plate chambers (RPC) used as muon detector in LHC experiments is behind the absence of such…”
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Diastereoselective Alkylation of 2,3,4,6-Di-O-isopropylidene-2-keto-l-gulonic Amides. Application to the Asymmetric Synthesis of 1-Substituted-1,2,3,4-tetrahydroisoquinolines and 1-Substituted-1,2,3,4,-tetrahydro-β-carbolines by Adam, Stéphane, Pannecoucke, Xavier, Combret, Jean-Claude, Quirion, Jean-Charles

“…The diastereoselective alkylation of amides 3a,b and 7a,b derived from gulonic acid is described. Substituted compounds are obtained in good yield and high…”
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β,γ-Unsaturated α-aminophosphonates: synthesis and reactivity by Atmani, A, Combret, J.-C, Malhiac, C, Mulengi, J.Kajima

“…Vinylogous iminium salts from γ-aminoenamines react with triethylphosphite to afford amino phosphonates in moderate to good yields. The latter are easily…”
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COMPARISON OF GRAFTING MODES FOR THE PREPARATION OF CHOLIC ACID-BASED STATIONARY PHASES. INFLUENCE ON ENANTIOMER SEPARATIONS IN HIGH PERFORMANCE LIQUID CHROMATOGRAPHY by Vaton-Chanvrier, L., Bucaille, N., Combret, Y., Combret, J. -C.

“…An original chiral selector, namely the prop-2-enyl 3α-(N-phenylcarbamate)-7α,12α-dihydroxy-5β-cholan-24-oate, is bonded onto the silica surface by three…”
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Analgesia for labour and delivery in a parturient with paramytonia congenita by Frossard, B, Combret, C, Benhamou, D

“…A patient presenting with paramyotonia congenita (Eulenburg's paramyotonia) was seen at the preanaesthetic visit during pregnancy. The underlying disease was…”
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Chiral recognition of binaphthyl derivatives: A chiral recognition model on the basis of chromatography, spectroscopy, and molecular mechanistic calculations for the enantioseparation of 1,1′-binaphthyl derivatives on cholic acid-bonded stationary phases by Vaton-Chanvrier, L., Oulyadi, H., Combret, Y., Coquerel, G., Combret, J.C.

“…In an effort to elucidate the mechanism of chiral discrimination of cholic acid‐based stationary phases, the enantiomeric recognition ability of six chiral…”
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High-performance liquid chromatographic investigation of the enantioselectivity and mechanism of chiral recognition of new cholic acid-based stationary phases by VATON-CHANVRIER, L, COMBRET, Y, COMBRET, J. C

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Synthesis, characterization and enantioselectivity of cholic acid-bonded phases for high performance liquid chromatography by VATON-CHANVRIER, L, PEULON, V, COMBRET, Y, COMBRET, J. C

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Preparation and characterization of a new Kieselguhr based gas chromatography support by HADJADJ-AOUL, O, BELABBES, R, CHARCHARI, S, BELKADI, M, COMBRET, Y, COMBRET, J. C

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Prise en charge anesthésique d’un accouchement chez une patiente atteinte d’une paramyotonie congénitale d’Eulenburg by Frossard, B., Combret, C., Benhamou, D.

“…Nous présentons le cas d’une femme atteinte d’une paramyotonie d’Eulenburg (ou paramyotonia congenita), connue depuis l’adolescence et qui se présentait pour…”
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Direct and convenient access to mono 3-hydroxy per-O-methylated α-cyclodextrin by Chaise, Thomas, Bourgeaux, Eric, Cardinael, Pascal, Combret, J.C

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Selective access and full characterization of mono-acidic permethylated β-cyclodextrin derivatives and their methyl esters by Tisse, S., Peulon-Agasse, V., Oulyadi, H., Marsais, F., Combret, J.C.

“…Three acidic derivatives of permethylated β-cyclodextrin, 2 I- O-carboxymethyl-2 II-VII,3 I-VII,6 I-VII-eicosa- O-methyl-cyclomaltoheptaose, 6 I-…”
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Apropos of 2 retroplacental hemorrhages in patients with prior cesarean section by COMBRET, C

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EFFICIENT SYNTHESIS OF α-ENAMINOPHOSPHONATES IN THE SERIES OF PIPERIDINE AND MORPHOLINE. Examples of synthetic applications by Dufrechou, S., Collignon, N., Combret, J. C., Malhiac, C.

“…Various α-piperidino or a-morpholino alkenylphosphonates are conveniently prepared from the related α-hetero-substituted methylphosphonates, through a Peterson…”
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Cyclocholates as Chiral Selectors for Capillary Gas Chromatography - Effect of Temperature Conditioning on the Chromatographic Behavior of the Stationary Phase by Bucaille, Nicolas, Vaton-Chanvrier, Laurence, Combret, Yvette, Combret, Jean-Claude

“…The suitability of cyclocholates as chiral selectors in gas chromatography has been evaluated. We present the synthesis and characterization of two…”
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The full evaporation technique: A promising alternative for residual solvents analysis in solid samples by Brault, Audrey, Agasse, Valérie, Cardinael, Pascal, Combret, Jean-Claude

“…The static headspace technique is the most common approach to residual solvent analysis in pharmaceutical and environmental matrices. This paper presents an…”
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Ring fission of chiral cyclic acetals plus intramolecular [4 + 2] cycloaddition: a sequential access to medium-size lactones. Application to the synthesis of carbasugars by Lemiègre, Loïc, Stevens, Richard L, Combret, Jean-Claude, Maddaluno, Jacques

“…A set of alpha,beta-unsaturated cyclic acetals were reacted with t-butyllithium in THF. A conjugate elimination took place, triggering a ketal ring cleavage…”
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Conjugated elimination versus [1,2]-Wittig rearrangement of unsaturated diox(ol)anes by Lemiègre, Loı̈c, Regnier, Thomas, Combret, Jean-Claude, Maddaluno, Jacques

“…A set of unsaturated dioxanes and dioxolanes has been prepared in three steps from acetoxy-1-isoprene. When reacted with two equivalents of t-BuLi in THF,…”
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