Reaction of alpha-amido sulfones with nitro ketals promoted by KF on alumina provides the corresponding adducts which, upon treatment with p-toluenesulfonic acid, generate the corresponding N-alkoxycarbonyl-2,5-disubstituted pyrroles. The latter transformation involves a cascade process including ketal cleavage, ring closure and final aromatization by nitrous acid elimination.
Titolo: | Reaction of alpha-amido sulfones with functionalized nitrocompounds: a new two-step synthesis of Nalkoxycarbonyl-2,5-disubstituted pyrroles | |
Autori: | ||
Data di pubblicazione: | 2014 | |
Rivista: | ||
Handle: | http://hdl.handle.net/11581/338190 | |
Appare nelle tipologie: | Articolo |
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