SCHEDULED MAINTENANCE
Improved olefin yields are invariably obtained by carrying out Hofmann eliminations under reduced pressure (oil pump) at lower temperatures than normally required. Under optimum conditions, 75% elimination is obtained from NN-dimethyl-1,2,3,4-tetrahydroquinolinium hydroxide. The convenience of the procedure is illustrated by the ready preparation of cyclopropene.
D. A. Archer, J. Chem. Soc. C, 1971, 1327 DOI: 10.1039/J39710001327
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