
Tetrahedron p. 12821 - 12828 (1994)
Update date:2022-07-30
Topics:
Kamata, Masaki
Murakami, Yukiko
Tamagawa, Yasuko
Kato, Mitsuaki
Hasegawa, Eietsu
Photoreactions of various dithioacetals and ketals using tris(p-chlorophenyl)pyrylium perchlorate as a sensitizer were studied.Irradiation (λ>360 nm) of dichloromethane solutions containing dithioacetals or ketals and pyrylium salt afforded the corresponding carbonyl compounds in good to excellent yields in the presence of molecular oxygen.
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