Tetrahedron Letters, Vol. 36, No. 21, pp. 3729-3730, 1995 Elsevier Science Ltd Printed in Great Britain 0040-4039/95 $9,50+0.00 ... Alkylation of 1,4,5-Trihydroxyanthraquinone involving Nitroalkanes. Syntheses of Digitopurpone and (+/-)-10-Deoxy-7-rhodomycinone. ... Donald W. Cameron,* Peter G. Griffiths, Brenda KY Leung and Monique J. Vanderwal. ... School of Chemistry, The University of Melbourne, Parkville, Victoria 3052, Australia.