Photocyclization of 2-(naphth-1-yl)-3-(thien-2-yl)propenoic acid and the total assignment of the 1H- and 13C-NMR spectra of the product

DOI: 10.1002/jhet.5570330402

Source and publish data:

Journal of Heterocyclic Chemistry p. 1017 - 1018 (1996)

Update date:2022-08-03

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Authors:

Tominaga, Yoshinori

Castle, Lyle W.

Castle, Raymond N.

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Article abstract of DOI:10.1002/jhet.5570330402

Photocyclization of the substituted 2-(naphth-1-yl)-3-(thien-2-yl)propenoic acid (3) in the presence of iodine and air in a benzene-cyclohexane mixture afforded a separable mixture of three compounds, phenanthro[2,1-b]thiophene-10-carboxylic acid (4), phenanthro[2,1-b]thiothene (5), and naphtho[1,8-cde]-thieno[3,2-g][2]benzopyran (6).

Full text of DOI:10.1002/jhet.5570330402

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