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- Title
Synthesis of Some 3-Substituted 1,2-Dihydroindoles.
- Authors
Nami, Navabeh; Hosseinzadeh, Masoumeh; Rahimi, Ehteram
- Abstract
The reaction of 4-oxo-2-(2-oxo-1,2-dihydroindol-3-ylidene)hydrazone-1,3-thiazin-6-methyl carboxylate 2 with hydrazine hydrate in methanol gave 4-oxo-2-(2-oxo-1,2-dihydroindol-3-ylidene)hydrazone-1,3-thiazin-6-carbonylhydrazine 3. Furthermore, the reaction of 3 with carbon disulfide and then hydrazine hydrate afforded 3-[6-(4-amino-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)-4-oxo-1,3-thiazin-2-yl] hydrazone-1,3-dihydroindol-2-one 5. the latest reacted with DMAD to give {6-hydroxy-3-[4-oxo-2-(2-oxo-1,2-dihydroindol-3-ylidene)hydrazone-1,3-thiazin-6yl]-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-7-ylidene}methoxycarbonylmethylene 6.
- Subjects
ORGANIC synthesis; INDOLE; THIAZINES; ISATIN; THIOSEMICARBAZONES
- Publication
Phosphorus, Sulfur & Silicon & the Related Elements, 2008, Vol 183, Issue 10, p2438
- ISSN
1042-6507
- Publication type
Academic Journal
- DOI
10.1080/10426500801963855