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- Title
Bis(2-cyanoacetamide) in Heterocyclic Synthesis: Synthesis of Some Bis[2-oxopyridine, 2-iminochromene, chromeno[3,4-c]pyridine, Benzochromeno[3,4-c]pyridine] derivatives.
- Authors
THABET, H. KH.; IMRAN, MOHD; ALAQL, SALEH; HELAL, M. H. M.
- Abstract
N,N'-(methylenebis(1,4-phenylene))bis-(2-cyanoacetamide) was exploited as a precursor for synthesing some bis (benzylidene 5a-c, pyridines 7,8,10a,b, chromene 14, benzochromene 15) derivatives containing diphenyl-methylene spacer via the reaction with each of aromatic aldehydes, pentane-2,4-dione, acetaldehyde/malononitrile, arylidene-malononitriles, ethyl cinnamates, 2-hydroxybenzaldehyde, and 2-hydroxy-1-naphthaldehyde). Bis(chromeno[3,4-c]pyridines 16 & 18) were synthesized via Michael's addition of malononitrile or ethyl cyanoacetate to Bis(chromene) derivative. The newly prepared compound structures were established via ir, NMR spectroscopic data.
- Subjects
PYRIDINE; CINNAMATES; AROMATIC aldehydes; MALONONITRILE
- Publication
Oriental Journal of Chemistry, 2024, Vol 40, Issue 1, p65
- ISSN
0970-020X
- Publication type
Article
- DOI
10.13005/ojc/400108