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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 33, 2003 - Issue 6
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Original Articles

A Two-Step Synthesis of Hexahydropyrrolo-[1,2-d][1,2,4]triazine-1,4-dione and Related Compounds

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Pages 1011-1018 | Received 25 Jan 2002, Published online: 17 Aug 2006
 

Abstract

Reaction of tert-butyl 1-hydrazinecarboxylate with triphosgene and ethyl 2-pyrrolidinecarboxylate or related compounds, followed by the removal of the Boc-protecting group with gaseous hydrogen chloride in anhydrous acetic acid, yields hexahydropyrrolo [1,2-d][1,2,4]triazine-1,4-dione and related heterocycles.

Acknowledgments

This work was supported by the Ministry of Science and Technology of the Republic of Slovenia, through grant P1-505-002-00. The authors wish to thank Prof. Roger Pain for thorough reading of the manuscript.

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