Tetrahedron

Modification of the photochemical reactivity of α, β-diacetoxystilbene by adsorption onto a fe 3+-doped sepiolite: Comparison with the direct and 2, 4, 6- …

MV Baldoví, H García, MA Miranda, J Primo, J Soto…

Index: Baldovi; Garcia; Miranda; Primo; Soto; Vargas Tetrahedron, 1995 , vol. 51, # 29 p. 8113 - 8120

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Citation Number: 5

Abstract

Photolysis of α, β-diacetoxystilbene (1) adsorbed onto a Fe3+-doped sepiolite (Fe-Sp) leads to benzoic acid (3), 9, 10-diacetoxyphenanthrene (5), diphenic anhydride (6), and benzil (7). While compounds 3, 5 and 6 are also observed in the direct irradiation of 1 in hexane solution, diketone 7 is formed under electron transfer conditions using 2, 4, 6- triphenylpyrylium tetrafluoroborate as photosensitizer. These results strongly suggest that ...

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