Katsuhiko Nakagawa
2010
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Journal
ChemInform
Abstract
Photoreaction of 1-alkyl-2-methyl-1H-benz[f]indole-4,9-diones (indolequinones) with arylalkenes in benzene gave 3-alkylated products. Irradiation of 1-allyl substituted indolequinone in benzene gave 1,3-hydrogen shift product in the presence or absence of arylalkenes. The fluorescence of 1,2-dimethyl-1H-benz[f]indole-4,9-dione exhibits a large bathochromic shift in polar solvents, indicating polar charge-transfer character for its S1-state.