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Synthesis of 1,2,4-Triazolo[4,3-d][1,2,4]Triazepines By 1,3-Dipolar Cycloaddition

✍ Scribed by M. El Messaoudi; A. Hasnaoui; M. El Mouhtadi; J.-P. Lavergne

Publisher: Wiley (John Wiley & Sons)
Year: 2010
Weight: 330 KB
Volume: 101
Category: Article
ISSN: 0037-9646
DOI: 10.1002/bscb.19921011111

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✦ Synopsis

Abstract

The reaction of N‐aryl‐C‐ethoxycarbonyl nitrilimines with [1,2,4]triazepin‐3,5‐dithione leads to title compounds. The 1,3‐dipolar cycloaddition is completely peri and regioselective. The preferred orientation of addition is predicted correctly by AM~1~ calculation.

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