Synthesis of Some New Derivatives of Thiazolo[4,3-b]- and Thiazolo[2,3-b] quinazolone
โ Scribed by Hamed A. Daboun; Mahfouz A. Abdel Aziz
- Publisher
- John Wiley and Sons
- Year
- 1983
- Tongue
- English
- Weight
- 304 KB
- Volume
- 316
- Category
- Article
- ISSN
- 0365-6233
No coin nor oath required. For personal study only.
โฆ Synopsis
A.R. Egypt Eingegangen am 30. Man 1982 The new 5H-thiazolo[4,3-b]quinazoline-3,5(lH)-diones 3, ~II-C, 5a-c and 5H-thiazolo[2,3-b]quinazoline-3,5(2H)-diones 9ac, 11were prepared by reaction of anthranilic acid with the 2-thiazolidinone-4-thione derivatives lb, h, 7a-c and the 5-substituted 2-(alkylmercapto)-2-thiazolin-4-ones 8a-c, l h -c , respectively. Darstellung verschiedener neuec Thirzolo[4,3-b]and 'Zbinzolo[2,3-b]~olon-Derivate Die neuen 5H-Thiazolo[4,3-b]chinazolin-3,5(lH)-dione 3, 4n-q 5a-c und 5H-Thiazolo[2,3-b]chinazolin-3,5(2H)-dione !kc, 11werden durch Umsetzung von Anthranilsaure mit den 2-Thiazolidinon-4-thion-Derivaten lb, 6a-c, 7a-c und den 5-substituierten 2-Alkylmercapto-2-thiazolin-4-onen 8-, 10synthetisiert.
๐ SIMILAR VOLUMES
4b) (2 g, 63 %); this has m.p. and mixed m.p. 275-277 "C (cf. [TI).