Tetrahedron Letters p. 8039 - 8042 (1995)
Update date:2022-07-30
Topics: Reaction pathways Product Formation Absorption of Light Bond Cleavage
Fujii, Takayoshi
Sakuragi, Hirochika
Furukawa, Naomichi
Naphtho[1,8-de][1,3]dithiin-1-bis(ethoxycarbonyl)methylides (3) were prepared by the reaction of naphtho[1,8-de]dithiins with diethyl diazomalonate in the presence of copper acetylacetonate. The sulfonium ylides 3 underwent photo-rearrangement giving olefin 5 quantitatively together with naphthalene-1,8-dithiole.
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