Issue 28, 2009

Efficient synthesis of 2,3-dihydro-1H-pyrazoles via a highly selective Pd(0)-catalyzed coupling-cyclization reaction of terminal 2-substituted 2,3-allenyl hydrazines with aryl iodides

Abstract

2,3-Dihydro-1H-pyrazoles were highly selectively synthesized via the Pd(0)-catalyzed coupling-cyclization reaction of 4-non-substituted 2-substituted 2,3-allenyl hydrazines with aryl iodides in moderate to good yields.

Graphical abstract: Efficient synthesis of 2,3-dihydro-1H-pyrazoles via a highly selective Pd(0)-catalyzed coupling-cyclization reaction of terminal 2-substituted 2,3-allenyl hydrazines with aryl iodides

Supplementary files

Article information

Article type
Communication
Submitted
20 Feb 2009
Accepted
18 Mrz 2009
First published
09 Apr 2009

Chem. Commun., 2009, 4263-4265

Efficient synthesis of 2,3-dihydro-1H-pyrazoles via a highly selective Pd(0)-catalyzed coupling-cyclization reaction of terminal 2-substituted 2,3-allenyl hydrazines with aryl iodides

X. Cheng and S. Ma, Chem. Commun., 2009, 4263 DOI: 10.1039/B903634B

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