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hexaméthylphosphoramide

hexamethylphosphoramide

chimie - iate.europa.eu

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Catena-poly[[tetrakis(hexamethylphosphoramide-κo)bis(nitrato-κ2o,o′)holmium(iii)] [silver(i)-di-μ-sulfido-tungstate(vi)-di-μ-sulfido]]... The holmium atom in the cation is coordinated by eight O atoms from two nitrate and four hexamethylphosphoramide ligands in a distorted square-antiprismatic geometry....

général - core.ac.uk - PDF: doaj.org

Catena-poly[[tetrakis(hexamethylphosphoramide-κo)bis(nitrato-κ2o,o′)erbium(iii)] [silver(i)-di-μ-sulfido-tungstate(vi)-di-μ-sulfido]]... The ErIII atom in the cation is coordinated by eight O atoms from two bidentate nitrate anions and four hexamethylphosphoramide ligands in a distorted square-antiprismatic geometry....

PDF: doaj.org

Effects of hexamethylphosphoramide on rat spermatogenesis and fertility... Hexamethylphosphoramide, an important industrial sol-vent, has been investigated because of its damage potential to reproduc-tive cells....

PDF: www.reproduction-online.org

Reductive hydrazination with trichlorosilane: a methodfor the preparation of 1,1-disubstituted hydrazines... Under the catalysis of hexamethylphosphoramide (HMPA)and N,N-dimethylacetamide (DMAc), respectively, variousketones and aldehydes could react with phenylhdrazines to prepare1,1-disubstituted hydrazines...

PDF: figshare.com

Highly enantioselective alkyne additions to aldehydes in the presence of 1,1′-bi-2-naphthol and hexamethylphosphoramideIt is found that the addition of hexamethylphosphoramide to the solution of an alkyne, Et(2)Zn, and (S)-1,1′-bi-2-naphthol in methylene chloride allows the generation of an alkynylzinc at room temperature and...

PDF: www.pubmedcentral.nih.gov

hexamethylphosphoric triamide

chimie - iate.europa.eu

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5'-halogeno-2',3'-cyclic sulphite isomers in the preparation of 5'-halogeno nucleosides. synthesis of 5'-deoxyuridine and 5'-deoxy-5-fluorouridine.When uridine (Ia) is reacted with thionyl chloride in hexamethylphosphoric triamide a mixture of isomeric 5'-chloro-2',3'-sulphites is formed, which can be separated to individual epimers IIa and IIIa, in 45% and 15% yields, respectively....

général - core.ac.uk - PDF: www.pubmedcentral.nih.gov

Investigation of molecular interaction between phenylacetylene and hexamethylphosphoric triamide by 13c nmr t1 relaxation time studies and ab initio qm calculations... Its rotational behavior in its pure form and in high dilution in hexamethylphosphoric triamide OP[N(CH3)2]3 (HMPA) has been studied by means 13C NMR T1 relaxation times at ambient temperature as measured by the inversion recovery method....

PDF: doaj.org

Formation of enamines by alkylation of imines... In the following, NaNH2 replaced NaH (same data given): cyclohexanon imine (V), hexamethylphosphoric triamide (VI), III, 29, 53, 18, -; V, VI, Me2SO4 (VIa), 11, 75, 10, 4; V, VI, IV, 15, 17, 56, 12; Et2C:NH (VII), VI, III, 26, 29, 42, 3; VII, VI, VIa, 17,...

PDF: www.loc.gov

Electrochemical generation of solvated electrons from nanostructured carbonVoltammograms for electrodes fabricated of nanostructured carbon of various morphology (nanotube paper, columnar and filament structures) in hexamethylphosphoric triamide (HMPA) solution have been obtained and analysed....

PDF: www.sciencedirect.com

Hmpa-catalyzed transfer hydrogenation of 3-carbonyl pyridines and other n-heteroarenes with trichlorosilaneA method for the HMPA (hexamethylphosphoric triamide)-catalyzed metal-free transfer hydrogenation of pyridines has been developed....

PDF: www.mdpi.com

Synonymes et termes associés français

triamide hexaméthylphosphorique

Exemples français - anglais

Triamide hexaméthylphosphorique; hexaméthylphosphoramide

Hexamethylphosphoric triamide; hexamethylphosphoramide

général - eur-lex.europa.eu

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