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Synthesis 1992; 1992(7): 661-663
DOI: 10.1055/s-1992-26193
short paper
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Regioselective Functionalization of 1H-Pyrrolo[2,3-b]pyridine via Its N-Oxide

Satoshi Minakata* , Mitsuo Komatsu, Yoshiki Ohshiro
  • *Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565, Japan
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Publication Date:
17 September 2002 (online)

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Selective functionalization of 1H-pyrrolo[2,3-b]pyridine (7-azaindole) at the 6-position was achieved by Reissert-Henze type reaction. Thus, halogeno (Cl, Br, I), cyano and thiocyanato groups were directly introduced to the pyridine ring of 7-azaindole.