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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 36, 2006 - Issue 15
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Original Articles

Iodine‐Mediated Synthesis of 2‐Arylbenzoxazoles, 2‐Arylbenzimidazoles, and 1,3,5‐Trisubstituted Pyrazoles

Shashikanth Ponnala Division of Medicinal and Process Chemistry, Central Drug Research Institute, Lucknow, India
&
Devi Prasad Sahu Division of Medicinal and Process Chemistry, Central Drug Research Institute, Lucknow, IndiaCorrespondence[email protected]
Pages 2189-2194 | Received 06 Jan 2006, Published online: 16 Feb 2007
 
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Abstract

2‐Arylbenzoxazoles and 2‐arylbenzimidazoles were synthesized by the reaction of aldehydes with 2‐aminophenol and O‐phenylenediamines in the presence of iodine. 1,3,5‐Trisubstituted pyrazoles were synthesized from chalcones and hydrazines in the presence of iodine.

CDRI Communication No. 6509.

Acknowledgment

We are thankful to Sophisticated Instrumentation Analytical Facility, Central Drug Research Institute (SAIF, CDRI) Lucknow, for providing spectroscopic data.

Notes

CDRI Communication No. 6509.

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