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Synthesis of dihydrobenzofurans from phenolic mannich bases and their quaternized derivatives

✍ Scribed by Blad�-Font, Artur; de Mas Rocabayera, Teodoro

Book ID
120329632
Publisher
Royal Society of Chemistry
Year
1982
Weight
939 KB
Volume
0
Category
Article
ISSN
1472-7781

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Synthesis of unsymmetrical methylene der
Synthesis of unsymmetrical methylene derivatives of benzopyran-4-ones from mannich bases
✍ Mauro Mazzei; Ramona Dondero; Alessandro Balbi; Gian Maria Bonora 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 43 KB 👁 1 views

## Abstract The formation of methylene‐bis derivatives of benzopyran‐4‐ones from their Mannich bases was studied. On these grounds, unsymmetrical methylene derivatives have been synthesized by reacting Mannich bases of benzopyran‐4‐ones with structurally related compounds lacking the dialkylaminome