Russian Journal of Organic Chemistry p. 186 - 194 (2013)
Update date:2022-08-04
Topics:
Bondarenko
Gavrilova
Murodov
Zefirov
Zyk
Nitrosation with complex NOCl·2SO3 of gem-dichloroarylcyclopropanes containing acceptor substituents in the aromatic ring proceeded chemo- and regioselectively affording 3-aryl-5-chloroisoxazoles in high yields. The presence of donor substituents complicated the reaction by the occurrence of competing processes.
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