RAS Chemistry & Material ScienceЖурнал общей химии Russian Journal of General Chemistry

  • ISSN (Print) 0044-460X
  • ISSN (Online) 3034-5596

Synthesis of 4-{[(2Z)-4-Aryl-1-methoxy-1,4-dioxobut-2-en-2-yl]amino}benzoic acids and their reaction with ninhydrin

PII
10.31857/S0044460X24110018-1
DOI
10.31857/S0044460X24110018
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 94 / Issue number 11-12
Pages
1071-1079
Abstract
4-{[(2Z)-4-Aryl-1-methoxy-1,4-dioxobut-2-en-2-yl)]amino}benzoic acids were synthesized by reaction methyl esters of aroylpyruvic acids with 4-aminobenzoic (para-aminobenzoic) acid in a mixture of glacial acetic acid–ethanol, 1:1. The obtained compounds reacted with ninhydrin in glacial acetic acid to form 4-{3-aroyl-1ʹ,3ʹ-dihydro-1ʹ,3ʹ,5-trioxo-5H-spiro[furan-2,2ʹ-indan]-4-yl)amino}benzoic acids. The structure of the obtained compounds was determined using IR, NMR 1H and13C{1H} spectroscopy and X-ray crystallography.
Keywords
4-аминобензойная (пара-аминобензойная) кислота нингидрин 4-{[(2Z)-4-арил-1-метокси-1,4-диоксобут-2-ен-2-ил]амино}бензойные кислоты 4-{(3-ароил-1ʹ,3ʹ,5-триоксо-1ʹ,3ʹ-дигидро-5H-спиро[фуран-2,2ʹ-инден]-4-ил)амино}бензойные кислоты
Date of publication
17.09.2025
Year of publication
2025
Number of purchasers
0
Views
16

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