Diversity-Oriented Synthesis of 1,2,4-Triazols, 1,3,4-Thiadiazols, and 1,3,4-Selenadiazoles from N‑Tosylhydrazones

Diversity-Oriented Synthesis of 1,2,4-Triazols, 1,3,4-Thiadiazols, and 1,3,4-Selenadiazoles from N‑Tosylhydrazones

The diversity-oriented synthesis of 1,2,4-triazols, 1,3,4-thiadiazols, and 1,3,4-selenadiazoles from N-tosylhydrazones was developed, and the reactions were general for a wide range of substrates, in which NH2CN, KOCN, KSCN, and KSeCN were used as odorless sources. Two different pathways were propos...

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Veröffentlicht in:Organic letters 2021-06, Vol.23 (11), p.4436-4440
Hauptverfasser: Wei, Zeyang, Zhang, Qi, Tang, Meng, Zhang, Siyu, Zhang, Qian
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container_issue 11
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container_title Organic letters
container_volume 23
creator Wei, Zeyang
Zhang, Qi
Tang, Meng
Zhang, Siyu
Zhang, Qian
description The diversity-oriented synthesis of 1,2,4-triazols, 1,3,4-thiadiazols, and 1,3,4-selenadiazoles from N-tosylhydrazones was developed, and the reactions were general for a wide range of substrates, in which NH2CN, KOCN, KSCN, and KSeCN were used as odorless sources. Two different pathways were proposed, and N-tosylhydrazonoyl chlorides were formed in situ in the presence of NCS.
doi_str_mv 10.1021/acs.orglett.1c01379
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title Diversity-Oriented Synthesis of 1,2,4-Triazols, 1,3,4-Thiadiazols, and 1,3,4-Selenadiazoles from N‑Tosylhydrazones
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