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Communication | Regular issue | Vol 26, No. 6, 1987, pp.1479-1482
Published online, 1st January, 1970
DOI: 10.3987/R-1987-06-1479
Metal-catalyzed Intramolecular Cyclization of 2-Diazo-4-(4-indolyl)-3-oxobutanoic Acid Esters

Masakatsu Matsumoto, Nobuko Watanabe, and Hisako Kobayashi

*Sagami Central Research Center, 4-4-1 Nishi-Ohnuma, Sagamihara, Kanagawa 229-0012, Japan

Abstract

Rh2(0Ac)4-catalyzed decompositioon of 2-diazo-4-(4-indolyl)-3-oxobutanoic acid esters (1) leads to indoles 3, whereas Pd(OAc)2-catalyzed reaction of 1 gives lndoles 2 with C-ring.