Photo-arylation. VIII. Photosubstitution reaction of 2-fluoropyridine with indoles.

…, K MATSUDA, M TERASHIMA, Y KANAOKA

Index: Seki, Koh-Ichi; Ohkura, Kazue; Matsuda, Kohki; Terashima, Masanao; Kanaoka, Yuichi Chemical & Pharmaceutical Bulletin, 1988 , vol. 36, # 12 p. 4693 - 4699

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Citation Number: 5

Abstract

Photoreaction of 2-fluoropyridine with indoles gave 1-(2-pyridyl) indoles regioselectively. The yields of the coupling products were improved significantly by using the indole anion derivatives. A reaction mechanism involving charge-transfer excitation is proposed for the latter, while the former reaction was concluded to be caused by local excitations.

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