Abstract
A variety of 4,5,6,7-tetrahydro-1H-indoles (THI's) and 4-oxo-4,5,6,7-tetrahydro-1H-indoles (4-oxoTHIs) have been synthesized from cyclohexanone and 1,3-cyclohexanedione, respectively. The THI's reacted regioselectively with lead tetraacetate in acetic acid to give the 7-acetoxy derivatives. The isomeric 4-acetoxyTHI's were prepared by first reducing the corresponding 4-oxoTHI's with sodium borohydride and then reacting the resulting hydroxyTHI's with acetic acid-pyridine
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