Ugi post-condensation copper-triggered oxidative cascade towards pyrazoles

Ugi post-condensation copper-triggered oxidative cascade towards pyrazoles

Pyrazolidinones were prepared in a two-step sequence starting from α-hydrazonocarboxylic acids. After a four-component Ugi coupling, the resulting hydrazone was engaged in a copper triggered [3 + 2] cycloaddition/aerobic oxidation cascade.

Bibliographic Details
Main Authors: Aurélie Dos Santos, Laurent El Kaim, Laurence Grimaud, Caroline Ronsseray
Format: Article
Language:English
Published: Beilstein-Institut 2011-09-01
Series:Beilstein Journal of Organic Chemistry
Subjects:
aerobic oxidation
copper(II)
[3 + 2] cycloaddition
hydrazone
isocyanide
pyrazolidinone
Online Access:https://doi.org/10.3762/bjoc.7.153

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