A convenient synthesis of tetrahydro-1H-thieno-3,2-cpyrazole 4,4-dioxides

Efremova Irina E.; Serebryannikova Anna V.; Lapshina Lidiya V.Gurzhiy Vladislav V.Ryabin Arkadii E.

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A convenient synthesis of tetrahydro-1H-thieno-3,2-cpyrazole 4,4-dioxides

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The reaction of oxidation of 3-aryl-6a-methyl-6-nitrohexahydrothieno2,3-dpyrazole 4,4-dioxides by bromine was used to synthesize their derivatives 3-aryl-6a-methyl-6-nitro-3a,5,6,6a-tetrahydro-1H-thieno3,2-cpyrazole 4,4-dioxides, the structure of which was established by IR, H-1, C-13, H-1-C-13 HMQC, H-1-C-13 HMBC spectroscopy and X-ray structural analysis.

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来源
《Chemistry of heterocyclic compounds》 |2019年第9期|902-904|共3页
作者
Efremova Irina E.; Serebryannikova Anna V.; Lapshina Lidiya V.Gurzhiy Vladislav V.Ryabin Arkadii E.;
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作者单位

Herzen State Pedag Univ Russia, 48 Moyka River Embankment, St Petersburg 191186, Russia;

St Petersburg State Univ, Inst Chem, 26 Univ Sky Ave, St Petersburg 198504, Russia;

SM Kirov Mil Med Acad, 6 Akad Lebedeva St, St Petersburg 194044, RussiaSt Petersburg State Univ, 7-9 Univ Embankment, St Petersburg 199034, Russia;

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正文语种英语
中图分类杂环化合物;
关键词
pyrazolidines; pyrazolines; sulfolanes; thieno2; 3-dpyrazole 4; 4-dioxides; oxidation;

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1. ChemInform Abstract: Synthesis of 1‐Tosyl‐4,6‐dihydrothieno(3,4‐d)pyrazole 5,5‐Dioxides as Precursors of Pyrazole Analogue of o‐Quinodimethane. [J] . H.‐H. TSO, Y.‐M. CHANG, H. TSAY Chem Inform . 1996,第24期

机译：ChemInform Abstract: Synthesis of 1‐Tosyl‐4,6‐dihydrothieno(3,4‐d)pyrazole 5,5‐Dioxides as Precursors of Pyrazole Analogue of o‐Quinodimethane.
2. ChemInform Abstract: Properties and Reactions of Substituted 1,2‐Thiazetidine 1,1‐Dioxides: Synthesis of N‐Substituted 4,4‐Dimethyl‐1,2‐thiazetidin‐3‐one 1,1‐ Dioxides, and a New Base‐Catalyzed Rearrangement to Thiazolidin‐4‐one 1,1‐Dioxides. [J] . D. GLASL, G. RIHS, H.‐H. OTTO Chem Inform . 1997,第30期

机译：ChemInform Abstract: Properties and Reactions of Substituted 1,2‐Thiazetidine 1,1‐Dioxides: Synthesis of N‐Substituted 4,4‐Dimethyl‐1,2‐thiazetidin‐3‐one 1,1‐ Dioxides, and a New Base‐Catalyzed Rearrangement to Thiazolidin‐4‐one 1,1‐Dioxides.
3. PROPERTIES AND REACTIONS OF SUBSTITUTED 1,2-THIAZETIDINE 1,1-DIOXIDES - SYNTHESIS OF N-SUBSTITUTED 4,4-DIMETHYL-1,2-THIAZETIDIN-3-ONE 1,1-DIOXIDES, AND A NEW BASE-CATALYZED REARRANGEMENT TO THIAZOLIDIN-4-ONE 1,1-DIOXIDES [J] . Glasl D., Otto HH., Rihs G. Helvetica chimica acta . 1997,第3期

机译：PROPERTIES AND REACTIONS OF SUBSTITUTED 1,2-THIAZETIDINE 1,1-DIOXIDES - SYNTHESIS OF N-SUBSTITUTED 4,4-DIMETHYL-1,2-THIAZETIDIN-3-ONE 1,1-DIOXIDES, AND A NEW BASE-CATALYZED REARRANGEMENT TO THIAZOLIDIN-4-ONE 1,1-DIOXIDES
4. A new and convenient method for the synthesis of dehydroamino acids starting from ethyl N-Boc- and N-Z-α-tosylglycinates and various nitro compounds [O] . Nagano, Tanemasa, Kinoshita, Hideki 2000

机译：a new and convenient method for the synthesis of dehydroamino acids starting from ethyl N-Boc- and N-Z-α-tosylglycinates and various nitro compounds

A convenient synthesis of tetrahydro-1H-thieno-3,2-cpyrazole 4,4-dioxides

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