## Abstract 3โAcetyltropolone (1) reacted with benzaldehydes in trimethyl orthoformate in the presence of perchloric acid to afford 2โarylโ4โmethoxyโ9โoxocyclohepta[__b__]pyrylium perchlorates 3aโc in 25โ37% yields. From the filtrates, 3โ(3,4โdiarylโ3โbutenoyl)tropolones 4a,b and 3โ(2โmethoxycinnam
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ChemInform Abstract: Reactions of 3-Acetyltropolone with Benzaldehydes in Trimethyl Orthoformate in the Presence of Perchloric Acid: Synthesis of 2-Aryl-4-methoxy-9-oxocyclohepta[b]pyrylium Perchlorates.
โ Scribed by Dao-Lin Wang; Kimiaki Imafuku
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 30 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0931-7597
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