79207-99-1Relevant articles and documents
Efficient reductive Claisen rearrangement of prop-2’-enyloxyanthraquinones and 2’-chloroprop-2’-enyloxyanthraquinones with iron powder in ionic liquids
Nadali, Samaneh,Khoshroo, Ali,Aghapour, Ghasem
, p. 883 - 895 (2018/06/07)
A rapid and selective iron-mediated reductive Claisen rearrangement of various prop-2’-enyloxyanthraquinones and 2’-chloroprop-2’-enyloxyanthraquinones to 1-hydroxy-2-(prop-2’-enyl)anthraquinones and anthrafurandiones is presented. All reactions are carried out in a mixture of ionic liquids, [Bzmim]Cl (1-benzyl-3-methylimidazolium chloride) and [Hmim]BF4 (1-methylimidazolium tetrafluoroborate), in short reaction times (5–35 min). Our study showed that 1-(prop-2’-enyloxy)anthraquinone is more active than 1-(2’-chloroprop-2’-enyloxy)anthraquinone to perform this rearrangement.
Experiments directed towards the synthesis of anthracyclinones. V. Double Claisen rearrangement of 1,4-bis(allyloxy)anthraquinones
Cambie,Zhen-Dong,Noall,et al.
, p. 819 - 828 (2007/10/02)
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