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Report | Regular issue | Vol 22, No. 10, 1984, pp.2313-2316
Published online, 1st January, 1970
DOI: 10.3987/R-1984-10-2313
A Facile Synthesis of 4-Oxo-4,5,6,7-tetrahydroindoles

Masakatsu Matsumoto* and Nobuko Watanabe

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


Condensation of 1,3-cyclohexanedione with chloroacetaldehyde followed by dehydration gave 4-oxo-4,5,6,7-tetrahydrobenzofuran in a good yield. The tetrahydrobenzofuran was quantitatively converted into 4-oxo-4,5,6,7-tetrahydroindoles.