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Furo[2,3-c]pyrylium — A new heteroaromatic system

✍ Scribed by V. I. Dulenko; V. N. Voshchula


Book ID
112377205
Publisher
Springer US
Year
1986
Tongue
English
Weight
68 KB
Volume
22
Category
Article
ISSN
0009-3122

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Synthesis and reactions of benzo[b]furo[
✍ V. I. Dulenko; S. V. Tolkunov 📂 Article 📅 1987 🏛 Springer US 🌐 English ⚖ 306 KB

A method has been developed for the synthesis of 3-acetonyl-and 3-phenacylbenzo[b]furans by cyclization of l-arloxy-2,4-pentanedlones and l-phenyl-4-aryloxy-1,3-butanediones in polyphosphoric acid. Acylation of 3-acetonyl(phenyl-benzo-[b]furans with aliphatic acid anhydrides in the presence ofperchl