Search results for "Tetrabutylammonium fluoride"

showing 5 items of 5 documents

CCDC 1552169: Experimental Crystal Structure Determination

2017

Related Article: Kaisa Helttunen, Riia Annala, Aku Suhonen, Elisa Nauha, Juha Linnanto, Maija Nissinen|2017|CrystEngComm|19|5184|doi:10.1039/C7CE01109A

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinatestetrabutylammonium fluoride N2N6-bis{2-[(benzenecarbonyl)amino]phenyl}pyridine-26-dicarboxamide
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CCDC 1552170: Experimental Crystal Structure Determination

2017

Related Article: Kaisa Helttunen, Riia Annala, Aku Suhonen, Elisa Nauha, Juha Linnanto, Maija Nissinen|2017|CrystEngComm|19|5184|doi:10.1039/C7CE01109A

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameterstetrabutylammonium fluoride N2-{2-[(benzenecarbonyl)amino]phenyl}-N6-{2-[(4-cyanobenzene-1-carbonyl)amino]phenyl}pyridine-26-dicarboxamide hydrateExperimental 3D Coordinates
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CCDC 1552171: Experimental Crystal Structure Determination

2017

Related Article: Kaisa Helttunen, Riia Annala, Aku Suhonen, Elisa Nauha, Juha Linnanto, Maija Nissinen|2017|CrystEngComm|19|5184|doi:10.1039/C7CE01109A

Space GroupCrystallographyCrystal SystemCrystal Structuretetrabutylammonium fluoride N2N6-bis{2-[(2-nitrobenzene-1-carbonyl)amino]phenyl}pyridine-26-dicarboxamideCell ParametersExperimental 3D Coordinates
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CCDC 1552172: Experimental Crystal Structure Determination

2017

Related Article: Kaisa Helttunen, Riia Annala, Aku Suhonen, Elisa Nauha, Juha Linnanto, Maija Nissinen|2017|CrystEngComm|19|5184|doi:10.1039/C7CE01109A

Space GroupCrystallographytetrabutylammonium fluoride N2-(2-aminophenyl)-N6-{2-[(benzenecarbonyl)amino]phenyl}pyridine-26-dicarboxamideCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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Der (2-Phenyl-2-trimethylsilyl)ethyl-(PTMSE)-Ester – eine neutral spaltbare Carboxyschutzgruppe/The (2-Phenyl-2-trimethylsiylyl)ethyl (PTMSE) Ester –…

2002

(2-Phenyl-2-trimethylsilyl)ethyl (PTMSE) esters of aminoacids and peptides are stable under the conditions of hydrogenolytic cleavage of benzoxycarbonyl(Z) and benzyl ester groups, base-induced removal of Fmoc groups, palladium(0)-catalyzed removal of allyloxycarbonyl (Aloc) and even acidolytic cleavage of Boc groups. PTMSE esters are also stable under the conditions of peptide condensation reactions. The PTMSE ester is selectively cleaved by treatment with tetrabutylammonium fluoride (TBAF) trihydrate in dichloromethane, i. e. under almost neutral conditions, within a few minutes and, therefore, considered a valuable novel carboxy protecting group.

chemistry.chemical_classificationChemistrychemistry.chemical_elementPeptideGeneral ChemistryCondensation reactionCleavage (embryo)Tetrabutylammonium fluorideMedicinal chemistrychemistry.chemical_compound(2-Phenyl-2-trimethylsilyl)ethylProtecting groupPalladiumDichloromethaneZeitschrift für Naturforschung B
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