Synthesis of unsymmetrical methylene derivatives of benzopyran-4-ones fromMannich bases

Citation
M. Mazzei et al., Synthesis of unsymmetrical methylene derivatives of benzopyran-4-ones fromMannich bases, J HETERO CH, 38(2), 2001, pp. 499-501
Citations number
10
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
JOURNAL OF HETEROCYCLIC CHEMISTRY
ISSN journal
0022152X → ACNP
Volume
38
Issue
2
Year of publication
2001
Pages
499 - 501
Database
ISI
SICI code
0022-152X(200103/04)38:2<499:SOUMDO>2.0.ZU;2-P
Abstract
The formation of methylene-bis derivatives of benzopyran-4-ones from their Mannich bases was studied. On these grounds, unsymmetrical methylene deriva tives have been synthesized by reacting Mannich bases of benzopyran-4-ones with structurally related compounds lacking the dialkylaminomethyl group.