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Novel synthesis of oxazines from 4-hydroxycoumarin and schiff bases.

✍ Scribed by Suneel Y. Dike; Jaysukhial R. Merchant


Publisher
Elsevier Science
Year
1978
Tongue
French
Weight
154 KB
Volume
19
Category
Article
ISSN
0040-4039

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Aldehyde condensation products of 4-hydr
✍ Ilia I Manolov πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 French βš– 98 KB

4-Hydroxycoumarin and Schiff bases condense in glacial acetic acid at reflux. Benzylidenephenyliminechroman or 3,3'-(p-substituted-arylmethylidene)-bis-4-hydroxycoumarin are the final products.