Abstract

During the pyrolysis of β-dialkylaminoalkyl S-methyl xanthates, dl- trans-2-dimethylaminocyclohexyl S-methyl xanthalate was rearranged without elimination to the corresponding dithiolcarbonate while the cis isomer suffered over-all elimination. It has been suggested that the dimethylamino group attached to the carbon carrying the xanthate group induces the rearrangement. Other examples studied support this mechanism. 2-Benzamidoethyl S-methyl and dl- trans-2-benzamidocyclohexyl S-methyl xanthates have been converted to the corresponding oxazoline derivatives.

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