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Synthesis 1989; 1989(7): 566-567
DOI: 10.1055/s-1989-27323
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Ultrasound-Assisted Preparation of Di-tert-Butyl-,Di-1,1′ Adamantyl- and (1-Adamantyl)-tert-Butylketenes

George A. Olah* , An-hsiang Wu, Omar Farooq
  • *The Donald P. and Katherine B. Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, Los Angeles, CA 90089-1661, USA
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Publication Date:
12 January 2006 (online)

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Di-tert-butyl-, di(1-adamantyl)- and (1-adamantyl)-tert-butylketenes were prepared in excellent yield from their corresponding acetyl chlorides with triethylamine under ultrasonic irradiation, showing a dramatic improvement over attempted conventional dehydrochlorination.

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