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References (5)
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Activated Nitriles in Heterocyclic Synthesis, IV. Synthesis of 1,3,4‐Thiadiazole DerivativesEuropean Journal of Organic Chemistry, 1985
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Synthesis of 2-Substituted Benzothiazoles Containing Amino Acid, Imino or Heteroaryl Moieties with Anticipated Fungicidal ActivityCollection of Czechoslovak Chemical Communications, 60
- Publisher
- Wiley
- Copyright
- Copyright © 1999 John Wiley & Sons, Inc.
- ISSN
- 1042-7163
- eISSN
- 1098-1071
- DOI
- 10.1002/(SICI)1098-1071(1999)10:3<177::AID-HC1>3.0.CO;2-D
- Publisher site
- See Article on Publisher Site
Abstract
Syntheses of the title ring systems are described starting with benzothiazol‐2‐ylacetohydrazide (1). Thus, 1 was reacted with carbon disulfide to afford the 2‐methyl heteroaryl derivative 2, which on reaction with hydrazine hydrate yielded the corresponding triazole compound 3. Also, 1 can undergo a reaction with an isothiocyanate to give the N‐thiocarbonyl adduct 4 that can then be cyclized to produce a 2‐methyl heteroaryl analog 5 or 6. Compounds 8 or 9 could be obtained by the reaction of 1 with an aryl aldehyde followed by malononitrile or via its self‐cyclization, respectively. © 1999 John Wiley & Sons, Inc. Heteroatom Chem 10: 177–182, 1999
Journal
Heteroatom Chemistry – Wiley
Published: Jan 1, 1999