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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 41, 2011 - Issue 16
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Original Articles

Improved Synthesis of 1H-Pyrazole-4-carbaldehyde

Ilya V. Taydakov G. S. Petrov Institute of Plastics, Moscow, Russian FederationCorrespondence[email protected]
,
Sergey S. Krasnoselskiy People's Friendship University of Russia, Moscow, Russian Federation
&
Tatiana Y. Dutova State Research Center for Antibiotics, Moscow, Russian Federation
Pages 2430-2434 | Received 18 May 2010, Published online: 14 Jun 2011
 
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Abstract

A simple and convenient two-step method for the synthesis of the title compound 1 was developed using N-protected 4-pyrazolilmagnesium bromide 9 as a key intermediate. Laborious procedures for purification or isolation of target compound are not required, therefore, up to 20 g of 1 could be obtained in a single run.

ACKNOWLEDGMENT

We are grateful to ArtChem GmbH (Campus Berlin-Buch, Germany) for the support of this work.

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