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Organic Preparations and Procedures International
The New Journal for Organic Synthesis
Volume 41, 2009 - Issue 3
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Original Articles

Oxidative Aromatization of 1,3,5-Trisubstituted Pyrazolines Using Hydrogen Tetrachloroaurate as Catalyst Under an Oxygen Atmosphere

Yunkui Liu State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou, P. R. China
,
Dajie Mao State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou, P. R. China
,
Shaojie Lou State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou, P. R. China
,
Jianqing Qian State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou, P. R. China
&
Zhen-Yuan Xu State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou, P. R. China
Pages 237-242 | Received 02 Jan 2009, Accepted 20 Mar 2009, Published online: 01 Jun 2009
 
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Acknowledgements

We are grateful to the Natural Science Foundation of Zhejiang Province (No. Y407168) and the Opening Foundation of Zhejiang Provincial Top Key Discipline for financial support.

Notes

a) Carried out on 1 mmol scale of 1a in the presence of catalyst in 2 mL solvent under oxygen atmosphere (balloon).

b) Isolated yield.

c) 30% Aqueous H2O2 solution (2 mmol) was used as oxidant.

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Related Research Data

One-Pot Synthesis of 1,3,5-Triarylpyrazoles
Source: Wiley
Oxidative Aromatization of 1,3,5-trisubstituted 2-pyrazolines Using Oxalic Acid/Sodium Nitrite System
Source: Taylor & Francis

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