Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic Acid

A series of <i>C</i><sub>3</sub>-symmetric fully substituted benzenes were prepared based on alkyl triamino-benzene-tricarboxylates. Starting with a one step-synthesis, the alkyl triamino-benzene-tricarboxylates were synthesized using the corresponding cyanoacetates. The reac...

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Main Authors: Lisa Schmidt, Danny Wagner, Martin Nieger, Stefan Bräse
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/27/14/4369
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author Lisa Schmidt
Danny Wagner
Martin Nieger
Stefan Bräse
author_facet Lisa Schmidt
Danny Wagner
Martin Nieger
Stefan Bräse
author_sort Lisa Schmidt
collection DOAJ
description A series of <i>C</i><sub>3</sub>-symmetric fully substituted benzenes were prepared based on alkyl triamino-benzene-tricarboxylates. Starting with a one step-synthesis, the alkyl triamino-benzene-tricarboxylates were synthesized using the corresponding cyanoacetates. The reactivity of these electronically sophisticated compounds was investigated by the formation of azides, the click reaction of the azides and a <span style="font-variant: small-caps;">Sandmeyer</span>-like reaction. Caused by the low stability of triaminobenzenes, direct <i>N</i>-alkylation was rarely reported. The use of the stable alkyl triamino-benzene-tricarboxylates allowed us total <i>N</i>-alkylation under standard alkylation conditions. The molecular structures of the <i>C</i><sub>3</sub>-symmetric structures have been corroborated by an X-ray analysis.
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spelling doaj.art-009ffd29fa0643f7837b7dfcebdc17132023-12-03T12:00:49ZengMDPI AGMolecules1420-30492022-07-012714436910.3390/molecules27144369Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic AcidLisa Schmidt0Danny Wagner1Martin Nieger2Stefan Bräse3Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, GermanyInstitute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, GermanyDepartment of Chemistry, University of Helsinki, P.O. Box 55 (A. I. Virtasen aukio 1), FIN-00014 Helsinki, FinlandInstitute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, GermanyA series of <i>C</i><sub>3</sub>-symmetric fully substituted benzenes were prepared based on alkyl triamino-benzene-tricarboxylates. Starting with a one step-synthesis, the alkyl triamino-benzene-tricarboxylates were synthesized using the corresponding cyanoacetates. The reactivity of these electronically sophisticated compounds was investigated by the formation of azides, the click reaction of the azides and a <span style="font-variant: small-caps;">Sandmeyer</span>-like reaction. Caused by the low stability of triaminobenzenes, direct <i>N</i>-alkylation was rarely reported. The use of the stable alkyl triamino-benzene-tricarboxylates allowed us total <i>N</i>-alkylation under standard alkylation conditions. The molecular structures of the <i>C</i><sub>3</sub>-symmetric structures have been corroborated by an X-ray analysis.https://www.mdpi.com/1420-3049/27/14/4369azidesclick reactions<i>C</i><sub>3</sub>-symmetrical building blockscarboxylic acidsX-ray
spellingShingle Lisa Schmidt
Danny Wagner
Martin Nieger
Stefan Bräse
Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic Acid
Molecules
azides
click reactions
<i>C</i><sub>3</sub>-symmetrical building blocks
carboxylic acids
X-ray
title Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic Acid
title_full Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic Acid
title_fullStr Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic Acid
title_full_unstemmed Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic Acid
title_short Functionalized <i>C</i><sub>3</sub>-Symmetric Building Blocks—The Chemistry of Triaminotrimesic Acid
title_sort functionalized i c i sub 3 sub symmetric building blocks the chemistry of triaminotrimesic acid
topic azides
click reactions
<i>C</i><sub>3</sub>-symmetrical building blocks
carboxylic acids
X-ray
url https://www.mdpi.com/1420-3049/27/14/4369
work_keys_str_mv AT lisaschmidt functionalizedicisub3subsymmetricbuildingblocksthechemistryoftriaminotrimesicacid
AT dannywagner functionalizedicisub3subsymmetricbuildingblocksthechemistryoftriaminotrimesicacid
AT martinnieger functionalizedicisub3subsymmetricbuildingblocksthechemistryoftriaminotrimesicacid
AT stefanbrase functionalizedicisub3subsymmetricbuildingblocksthechemistryoftriaminotrimesicacid