Synthesis of 3-(2-Oxo-2,3-dihydrobenzo[b]furan-3-ylidenehydrazono)-2,3-dihydrobenzo[b]furan-2-one View Full Text


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Article Info

DATE

2007-06

AUTHORS

N. A. Pulina, V. V. Zalesov, S. S. Kataev

ABSTRACT

Reactions of benzophenone and fluoren-9-one hydrazones with (2-hydroxyphenyl)oxoacetic acid gave [carboxy(2-hydroxyphenyl)methylidenehydrazono](2-hydroxyphenyl)acetic acid which underwent intramolecular cyclization with formation of 3-(2-oxo-2,3-dihydrobenzo[bfuran-3-ylidenehydrazono)-2,3-dihydrobenzo[b]furan-2-one. The symmetric azine was also obtained by reactions of (2-hydroxyphenyl)oxoacetic acid with triphenylphosphoranylidenehydrazones derived from benzophenones, fluoren-9-one, and 1-methyl-2,3-dihydro-1H-indole-2,3-dione.

PAGES

861-863

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070428007060103

DOI

http://dx.doi.org/10.1134/s1070428007060103

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1049915256


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