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Synlett 1999; 1999(12): 1963-1965
DOI: 10.1055/s-1999-2975
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Ytterbium Triflate Mediated Selective Deprotection of Acetates

G. V. M. Sharma* , A. Ilangovan
  • *Discovery Laboratory, Organic Chemistry Division III, Indian Institute of Chemical Technology, Hyderabad-500 007, India; Fax + 91- 040-7 17 33 87/7 17 37 57; E-mail: esmvee@iict.ap.nic.in
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Publication Date:
31 December 1999 (online)

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Ytterbium triflate mediated selective deprotection of acetates in isopropyl alcohol at reflux temperature is reported. Unlike hafnium triflate, under the present reaction conditions aryl acetates also undergo deacetylation instead of Fries migration.

ytterbium triflate - deacetylation - alcohols - Fries migration

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