Mechanism for photodecomposition of naphtho[1,8-de][1,3] dithiin-1-bis(ethoxycarbonyl)methylides

DOI: 10.1016/0040-4039(95)01702-J

Source and publish data:

Tetrahedron Letters p. 8039 - 8042 (1995)

Update date:2022-07-30

Topics: Reaction pathways Product Formation Absorption of Light Bond Cleavage

Authors:

Fujii, Takayoshi

Sakuragi, Hirochika

Furukawa, Naomichi

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Article abstract of DOI:10.1016/0040-4039(95)01702-J

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.

Full text of DOI:10.1016/0040-4039(95)01702-J

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Product name:2-(2-Phenyl-1λ⁴-naphtho[1,8-de][1,3]dithiin-1-ylidene)-malonic acid diethyl ester

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