Issue 8, 1984

Spectroscopic properties of violacein and related compounds: crystal structure of tetramethylviolacein

Abstract

Violacein and deoxyviolacein have been isolated from cultures of Alteromonas luteoviolacea. The violacein-type lactams (1) and lactones (3) have a merocyanine chromophore which was confirmed by the effects of substituents on the visible spectra and by HMO calculations. Using parameters derived from an X-ray crystal structure analysis of tetramethylviolacein, PPP calculations of the electronic spectra of violacein and isoviolacein derivatives showed good agreement with observed values.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1984, 1331-1339

Spectroscopic properties of violacein and related compounds: crystal structure of tetramethylviolacein

H. Laatsch, R. H. Thomson and P. J. Cox, J. Chem. Soc., Perkin Trans. 2, 1984, 1331 DOI: 10.1039/P29840001331

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