... Department of Medicinal and Bioengineering Science, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan. J. Org. Chem. ... figure Scheme 1. Synthesis of Indoles 6 from 1,3-Cyclohexanediones 1 ...