1) Tetrahedron Letters, 29(39), 4987-90; 1988
A convenient approach to furan derivatives by I2-induced cyclisation of 2-alkenyl substituted 1,3-dicarbonyl compounds
R. Antonioletti, F. Bonadies, A. Scettri
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http://dx.doi.org/10.1016/S0040-4039(00)80660-72) Tetrahedron Letters, 23(13), 1327-30; 1982
Photochemistry of 3,6-dihydro-1,2-oxazines: A versatile route to substituted pyrroles
R. S. Givens, D. J. Choo, S. N. Merchant, R. P. Stitt, B. Matuszewski
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http://dx.doi.org/10.1016/S0040-4039(00)87095-13) Tetrahedron Letters, 27(23), 2643-4; 1986
A novel synthesis of 2,5-disubstituted furans and selenophenes via the oxidation of 2,4-alkadienoic esters with SeO2
Sadao Tsuboi, Kenji Watanabe, Shigetoshi Mimura, Akira Takeda
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http://dx.doi.org/10.1016/S0040-4039(00)84606-7Благодарю за помощь.