T. Terme et al., Original annulation in anthraquinone series: Synthesis of new 2,3-dialkylnaphthacene-5,12-diones, TETRAHEDRON, 56(8), 2000, pp. 1097-1101
2,3-Bis(chloromethyl)-1,4-anthraquinone reacts with primary nitroalkanes in
a one-pot synthesis under standard S(RN)1 reaction conditions (inert atmos
phere, photostimulation) and in a phase-transfer system to give original 2,
3-dialkylnaphthacene-5,12-diones in fairly good yields. (C) 2000 Elsevier S
cience Ltd. All rights reserved.