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. 2014 May 15;10:1129–1134. doi: 10.3762/bjoc.10.112

Scheme 2.

Scheme 2

(A) Regioselective acetylation of resorcylic acid ester 9. (B) Lewis acid mediated glucosylation; no conversion of 10, partially rearrangement of 11 to glucosyl acetamide 12. (C) Königs–Knorr glucosylation; Ag(I): Ag2CO3 or Ag2O, CH2Cl2 or MeCN; PTG: phase transfer glucosylation, NaOH, tetrabutylammonium bromide, pH 10–11, CHCl3/H2O.