Reduction of 1-substituted anthraquinones to 1- and 4-substituted anthrones
作者:V. A. Loskutov
DOI:10.1007/bf02494377
日期:1997.2
The regioselectivity of reduction of 1-substituted anthraquinones to 1- or 4-substituted anthrones is determined by both the nature of the substituent and the type of the reducing system used.
The reaction of anthrone with thionyl chloride in benzene yields 10-(chlorosulfinyl)anthrone, while in DMF monothioanthraquinone S-oxide is formed; 4-substituted anthrones react with thionyl chloride in DMF in a similar way. The reaction of 4,5-dichloroanthrone with thionyl chloride results in dimerization or the substrate and formation of the corresponding bianthracenedione.
Loskutov, Russian Journal of Organic Chemistry, 2000, vol. 36, # 10, p. 1478 - 1481