- Facile Synthesis of 3,6-Disubstituted-1,2,4-triazolo-[3,4-b]-1,3,4-thiadiazoles via Oxidative Cyclization of n-Heteroaryl-Substituted Hydrazones and Their Biological Activity
[作者:HIMAJA M; PRATHAP K JAGADEESH; MALI SUNIL V,期刊:Journal of Heterocyclic Chemistry, 页码:823-828 , 文章类型: Article,,卷期:2012年49-4]
- Fused 3,6-disubstituted triazolothiadiazoles were synthesized in good yield from a rapid and convenient oxidative cyclization of N-heteroaryl-substituted hydrazones promoted by chloramine-T trihydrate at ambient temperat...
- The Synthesis of 3-Amino-pyrazine-2-carbohydrazide and 3-Amino-N '-methylpyrazine-2-carbohydrazide Derivatives
[作者:MILCZARSKA BARBARA; GOBIS KATARZYNA; FOKS HENRYK; GOLUNSKI LUKASZ; SOWINSKI PAWEL,期刊:Journal of Heterocyclic Chemistry, 页码:845-850 , 文章类型: Article,,卷期:2012年49-4]
- In research of new biologically active compounds, the reactions of amino-pyrazin-2-hydrazide and methylhydrazide with isothiocyanates, aromatic aldehydes, ketones, CS2, and formic acid were made. New thiosemicarbazides, ...
- Synthesis of Novel 5,6-Dihydropyrrolo[2,1-a]isoquinolines via Grob Reaction between (E)-1,1,1-Trifluoro-3-nitro-2-butene and 3,4-Dihydroisoquinolines
[作者:KOROTAEV VLADISLAV Y; SOSNOVSKIKH VYACHESLAV Y; BARKOV ALEXEY Y; SLEPUKHIN PAVEL A; SHKLYAEV YURII V,期刊:Journal of Heterocyclic Chemistry, 页码:856-860 , 文章类型: Article,,卷期:2012年49-4]
- Uncatalyzed cycloaddition of 3,4-dihydroisoquinolines to (E)-1,1,1-trifluoro-3-nitro-2-butene via Grob reaction provide a simple one-step route to the 5,6-dihydropyrrolo[2,1-a]isoquinolines, which represent the basic str...
- Methanesulfonic Acid-Catalyzed One-Pot Synthesis of 12-Aryl or 12-Alkyl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one Derivatives
[作者:LIU YUHENG; LI LEI,期刊:Journal of Heterocyclic Chemistry, 页码:861-864 , 文章类型: Article,,卷期:2012年49-4]
- An efficient synthesis of 12-aryl or 12-alkyl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one derivatives has been developed under solvent-free conditions by one-pot condensation of aldehydes, 2-naphthol, and cyclic 1,3-dicar...
- Novel Synthesis and Antimicrobial Activity of 3-Substituted 5-bromo-7-methyl-1,2,4-triazolo-[3,4-b]-benzothiazoles
[作者:BHAGAT T M; DESHMUKH S K; KUBERKAR S V,期刊:Journal of Heterocyclic Chemistry, 页码:873-876 , 文章类型: Article,,卷期:2012年49-4]
- 4-Methyl acetanilide (1) on treatment with bromine in acetic acid, followed by hydrolysis with dilute HCl/NaOH solution, yielded 2-bromo-4-methyl aniline (2), which on treatment with sodium thiocyanate in acetic acid aff...
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