Chemistry Letters p. 1007 - 1010 (1994)
Update date:2022-08-03
Topics:
Furukawa, Naomichi
Fujii, Takayoshi
Kimura, Takeshi
Fujihara, Hisashi
Naphthalene-1,8-dithiol reacted with aldehydes to give dithioacetals which were oxidized to 2-substituted naphtho<1,8-de>1,3-dithiin-1-oxides (4). 2,2-Disubstituted naphtho<1,8-de>1,3-dithiin-1-oxides (5) were obtained on treatment of 4 with NaH/electrophiles.Photolysis of 4 and 5 undergoes intramolecular oxygen rearrangement to generate aldehydes and ketones quantitatively together with naphthalene-1,8-dithiole.
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