Chemistry of 1,2,3-triazoles by Wim Dehaen, Vasiliy A. Bakulev

By Wim Dehaen, Vasiliy A. Bakulev

The sequence issues in Heterocyclic Chemistry provides severe studies on current and destiny tendencies within the learn of heterocyclic compounds. total the scope is to hide issues facing all parts inside heterocyclic chemistry, either experimental and theoretical, of curiosity to the final heterocyclic chemistry neighborhood. The sequence involves subject similar volumes edited through popular editors with contributions of specialists within the field.

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Ru 53 56 56 58 59 60 61 64 65 66 68 70 77 78 82 52 N. Belskaya et al. 3 Mitsunobu Reaction of NH-1,2,3-Triazoles . . . . . . . . . . . . . . . . . . . . . 4 Michael Addition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 N-Arylation (N-Heteroarylation) of NH-1,2,3-Triazoles . . . . . . . . . . . . . . 6 N-Acylation, N-Sulfonation, and N-Carbamoylation of NH-1,2,3-Triazoles . . . . 5 Synthesis of 2H-1,2,3-Triazoles by Transformations of Functionalized Hydrazones .

6 Intra- and Intermolecular Reactions of Diazocompounds . . . . . . . . . . . . . . . . . 7 Heterocycle Transformations in the Synthesis of 2H-1,2,3-Triazoles . . . . . . . . . . 8 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . References . . . . . . . . . . . . . . . . . .

7 Heterocycle Transformations in the Synthesis of 2H-1,2,3-Triazoles . . . . . . . . . . 8 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0]undec-7-ene Dichloroethane Dichloromethane Diethyl azodicarboxylate Density Functional Theory Diisopropyl amine Dimethylacetamide 4-(Dimethylamino)pyridine 1,2-Dimethoxyethane Dimethylformamide Dimethyl sulfoxide 1,3-Bis(diphenylphosphino)propane Electron-donating group Equivalent(s) Electron-withdrawing group Ferrocenyl Gauge Independent Atomic Orbital Hour(s) 83 84 87 90 91 91 94 95 96 98 102 104 105 106 Synthesis of 2H-1,2,3-Triazoles Hex HMBC i-Pr KHMDS LHMDS min mol MW NICS NMP NOE Ph Pr Pv py rt SFC SPS TBAF t-Bu Tf THF THP TMS Tp Ts XRD 53 Hexyl Heteronuclear Multiple Bond Coherence Iso-propyl Potassium hexamethyldisilazide potassium bis(trimethylsilyl)amide Lithium hexamethyldisilazide lithium bis(trimethylsilyl)amide Minute(s) Mole(s) Microwave irradiation Nucleus Independent Chemical Shifts N-methylpyridine Nuclear Overhauser effect Phenyl Propyl Pivaloyl Pyridine Room temperature Solvent free condition Solid-phase synthesis Tetrabutylammonium fluoride Tert-butyl Trifluoromethanesulfonyl (triflyl) Tetrahydrofuran Tetrahydropyran-2-yl Trimethylsilyl Tetrazole Tosyl 4-toluenesulfonyl X-ray diffraction 1 Introduction 1,2,3-Triazoles can be divided into three groups depending on the position of substituent at nitrogen atom [1–6]: 1H-1,2,3-Triazole R2 R1 R3 5 4 N N3 1 2H-1,2,3-Triazole R2 R1 5 1N 2 2 N R3 1 2 N 3(1)H-1,2,3-Triazole R2 R1 4 5 4 N3 1N N 3 N 3 R 2 3 The third isomer 3, which formally may be named as 3(1)H-1,2,3-triazole, was obtained in rare cases (see paragraph 4).

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