Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleSynthesis of unsymmetrical methylene derivatives of benzopyran-4-ones from mannich bases.AuthorsMazzei, Mauro; Dondero, Ramona; Balbi, Alessandro; Bonora, Gian MariaPublicationJournal of Heterocyclic Chemistry, 2001, Vol 38, Issue 2, p499ISSN0022-152XPublication typeArticleDOI10.1002/jhet.5570380232