## Abstract The photochemical behaviour of the title compound **2c** was investigated in various solvents. In benzene and __t__βbutanol photodimerization affords the __cis__β__anti__β__cis HH__β and __HT__βdimers (H = head, T = tail). In acetonitrile, cyclohexane and 2βpropanol, photoreduction comp
Photochemical rearrangement of 2,5-diphenyl-3 (2H)-furanone
β Scribed by Albert Padwa; Audrey Ku; Eisuke Sato
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- French
- Weight
- 162 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
A novel rearrangement of 2(SH)-furanones is described. When refluxed in aq. ethanolic solution in the presence of excess KOH, the 2,5-dihydro-2-oxofuran-3-carboxamides 6 underwent a novel rearrangement to the corresponding 4,5-dihydro-4-oxo-2-(phenylamino)-3-furancarboxylic acids 1 in moderate-to-ex
The [2+2] Photocycloaddition of different cyclic enones to (5R)-5-menthyloxy-2[5H]furanone is investigated. The diastereoselectivity relative to the chiral acetal centre and the regio and the exo/endo ratios of the products have been determined. By variation of the structure of cyclic enones, the di