4‐hydroxy‐6‐methyl‐3‐(5‐phenyl‐2 E ,4 E ‐pentadien‐1‐oyl)‐2 H ‐pyran‐2‐one: Synthesis and reactivity with amines | Zendy

AïtBaziz Nabila | Zendy; Rachedi Yahia | Zendy; Hamdi Maamer | Zendy; Silva Artur M. S. | Zendy; Balegroune F. | Zendy; Thierry Roisnel | Zendy; Sellier N. | Zendy

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4‐hydroxy‐6‐methyl‐3‐(5‐phenyl‐2 E ,4 E ‐pentadien‐1‐oyl)‐2 H ‐pyran‐2‐one: Synthesis and reactivity with amines

Author(s) -

AïtBaziz Nabila,

Rachedi Yahia,

Hamdi Maamer,

Silva Artur M. S.,

Balegroune F.,

Thierry Roisnel,

Sellier N.

Publication year - 2004

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570410417

Subject(s) - chemistry , pyran , reactivity (psychology) , nucleophile , ethylamine , hydrazine (antidepressant) , conjugated system , medicinal chemistry , stereochemistry , ring (chemistry) , organic chemistry , catalysis , biochemistry , medicine , polymer , alternative medicine , pathology

The synthesis and reactivity studies of 4‐hydroxy‐6‐methyl‐3‐(5‐phenyl‐2 E ,4 E ‐pentadien‐1‐oyl)‐2 H ‐pyran‐2‐one 2 with nucleophiles are reported. Reactions of 2 with hydrazine derivatives gave new pyrazole‐type com pounds while the reaction with ortho ‐phenylenediamines yielded 1,5‐benzodiazepines. The reaction of 2 with ethylamine implies the 2 H ‐pyran‐2‐one ring opening and the formation of a strong conjugated compound 3.

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