## Abstract 3βAcetyltropolone (1) reacted with benzaldehydes in trimethyl orthoformate in the presence of perchloric acid to afford 2βarylβ4βmethoxyβ9βoxocyclohepta[__b__]pyrylium perchlorates 3aβc in 25β37% yields. From the filtrates, 3β(3,4βdiarylβ3βbutenoyl)tropolones 4a,b and 3β(2βmethoxycinnam
Reaction of 1,3-dipenenyl-triazene with tripenyl-phosphine in the presence of perchloric acid: A source of aryl radicals
β Scribed by Giorgio De Luca; Carlo Panattoni; Gabriele Renzi; Luigi Toniolo
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- French
- Weight
- 117 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0040-4039
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