... Download full text in PDF. Tetrahedron Letters, Vol.30, No.1, pp 71-74, 1989 0040039/89 $3.00 + .00 Printed in Great ... Acetic anhydride or phenoxyacetic anhydride) 0.1 M in lutidine / THF 1/8 + Dimhylaminopyridine 6.5 % wt/vol In THF ... Tetrahedron Lett., 29 (1988), p. 4249. 9). 9). ...