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| Description
| - A calculation using the DFT method confirmed that the extraordinary stability of the triazenes formed by an azo coupling reaction of 5-nitrobenzo[c]-1,2-thiazole-3-diazonium and primary or secondary aromatic amines is caused by the fact that these substances are protonated at the heterocyclic nitrogen atom and not at the nitrogen atom of the triazene grouping ?N=N?N(R)Ar. Stable triazenes are also formed by reaction of 5-nitrobenzo[c]-1,2-thiazole-3-diazonium with 2-alkylaminonaphthalenes. In the case of the azo coupling reaction with 2-methylamino- and 2-ethylaminonaphthalene the content of triazenes is almost 50 % in the product mixture with the isomeric azo compounds. The structure of triazenes was confirmed by X-ray analysis.
- A calculation using the DFT method confirmed that the extraordinary stability of the triazenes formed by an azo coupling reaction of 5-nitrobenzo[c]-1,2-thiazole-3-diazonium and primary or secondary aromatic amines is caused by the fact that these substances are protonated at the heterocyclic nitrogen atom and not at the nitrogen atom of the triazene grouping ?N=N?N(R)Ar. Stable triazenes are also formed by reaction of 5-nitrobenzo[c]-1,2-thiazole-3-diazonium with 2-alkylaminonaphthalenes. In the case of the azo coupling reaction with 2-methylamino- and 2-ethylaminonaphthalene the content of triazenes is almost 50 % in the product mixture with the isomeric azo compounds. The structure of triazenes was confirmed by X-ray analysis. (en)
- Výpočty využívající DFT medodu potvrdily, že mimořádná stabilita triazenů vzniklých azokopulační reakcí 5-nitrobenzo[c]-1,2-thiazol-3-diazonia s primárními a sekundárními aromatickými aminy je způsobena faktem, že tyto látky jsou protonovány na dusíkovém atomu heterocyklického skeletu a nikoliv na dusíku triazenového uspořádání ?N=N?N(R)Ar. Stabilní triazeny vznikaly také reakcí 5-nitrobenzo[c]-1,2-thiazol-3-diazonia s 2-alkylaminonaftaleny. Téměř 50% podíl triazenů v reakční směsi je v případě azokopulační reakce s 2-methylamino- and 2-ethylaminonaftaleny vedle izomerních azosloučenin. Struktury triazenů byly potvrzeny X-ray analýzami. (cs)
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| Title
| - Stable Triazenes Derived from 2-Alkylaminonaphthalenes and 5 Nitrobenzo[c]-1,2-thiazole-3-diazonium Hydrogensulphate
- Stabilní triazeny připravené z 2-alkylaminonaftalenů a 5-nitrobenzo[c]-1,2-thiazol-3-diazonium-hydrogensulfátu (cs)
- Stable Triazenes Derived from 2-Alkylaminonaphthalenes and 5 Nitrobenzo[c]-1,2-thiazole-3-diazonium Hydrogensulphate (en)
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| skos:prefLabel
| - Stable Triazenes Derived from 2-Alkylaminonaphthalenes and 5 Nitrobenzo[c]-1,2-thiazole-3-diazonium Hydrogensulphate
- Stabilní triazeny připravené z 2-alkylaminonaftalenů a 5-nitrobenzo[c]-1,2-thiazol-3-diazonium-hydrogensulfátu (cs)
- Stable Triazenes Derived from 2-Alkylaminonaphthalenes and 5 Nitrobenzo[c]-1,2-thiazole-3-diazonium Hydrogensulphate (en)
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| skos:notation
| - RIV/00216275:25310/08:00007781!RIV09-MSM-25310___
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| http://linked.open...avai/riv/aktivita
| |
| http://linked.open...avai/riv/aktivity
| - P(LC512), Z(MSM0021627501)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216275:25310/08:00007781
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| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - Azo coupling; diazoniums; triazenes; density functional calcultations; amines (en)
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| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - European Journal of Organic Chemistry
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
| |
| http://linked.open...iv/tvurceVysledku
| - Jansa, Petr
- Nachtigall, Petr
- Růžička, Aleš
- Černý, Michal
- Macháček, Vladimír
- Svobodová, Markéta
- Přikryl, Josef
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| http://linked.open...n/vavai/riv/zamer
| |
| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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