B. Unterhalt und U. Pindur, Arch. Pharrn. (Weinheirn) 309. 747 (1976).
Synthese von 5,6-Dimethyl-4-oxo-1,3,4,5-tetrahydro-imidazo-[4,5-c] [1,2,6]thiadiazin-2,2-dioxid und 7-Methyl-4-oxo-1H-3,4-dihydro-pyrimido[4,5-c][1,2,6]thiadiazin-2,2-dioxid
β Scribed by Albrecht Edenhofer; Walter Meister
- Publisher
- John Wiley and Sons
- Year
- 1977
- Tongue
- German
- Weight
- 155 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
β¦ Synopsis
Synthesis of 5,6βDimethylβ4βoxoβ1,3,4,5βtetrahydroβimidazo[4,5βc][1,2,6]thiadiazin 2,2βdioxide and 7βMethylβ4βoxoβ1__H__β3,4βdihydropyrimido[4,5βc][1,2,6]thiadiazin 2,2βdioxide
The derivatives of the above heterocyclic ring systems were prepared by reaction of the corresponding oβamino esters with sulfamoylchloride.
π SIMILAR VOLUMES
Eingegangen am 21. Dezember 1987 Aminosauremethylester-hydrochloride la-e+)wurden mit Schwefelsaure-chlorid-methylamid (2) in Dichlormethad Triethylamin zu 3a-e acyliert. Bei der Behandlung der LO- sung von 3a-e in 1,4-Dioxan/Wasser (9/1) mit 4proz.
The reaction of 3-mercapto-4-aryIideneamino-l,2,4triazoles 2b-d, 3a-d with ethyl bromoacetate and/or phenacyl bromide in hot DMF and triethylamine affords the stereochemically pure 7-acyl-6-aryl-6,7dihydro-5H-lt2, 4-triazolo[3,4-b][l, 3,4]thiadiazines