The Hydrogen-bond as a Configurational Lock in the Photocyclisation of Dibenzoylmethane o-Halogenoanils: Wavelength Dependence of This Reaction

DOI: 10.1039/c39800000301

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 301 - 302 (1980)

Update date:2022-08-04

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Authors:

Grimshaw, James

Silva, A. Prasanna de

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Article abstract of DOI:10.1039/c39800000301

The tautomers (1, X = Cl, Br, or I) of anils photocyclise to the phenanthridine derivative (2) with varying efficiencies depending on the halogen and the solvent; owing to the low energies of the first excited states the quantum yields vary with irradiation wavelength.

Full text of DOI:10.1039/c39800000301

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