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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 36, 2006 - Issue 12
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Original Articles

Mild and Efficient Procedure for the Synthesis of 1,5‐Benzodiazepines Catalyzed by Magnesium Perchlorate

Zhan‐Hui Zhang College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang, ChinaCorrespondence[email protected]
,
Shu‐Tao Yang College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang, China
&
Jin Lin College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang, China
Pages 1645-1654 | Received 17 Oct 2005, Published online: 22 Aug 2006
 
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Abstract

A convenient and efficient method for the synthesis of 1,5‐benzodiazepines by the reaction of o‐phenylenediamines (OPDA) and ketones with hydrogens at the α‐position has been developed. The reaction is carried out at room in the presence of a catalytic amount of magnesium perchlorate under solvent‐free conditions.

Acknowledgment

The authors thank the Science Research Foundation of Hebei Normal University and National Natural Science Foundation of China (20477009) for financial support of this work.

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