## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
SOME REACTIONS WITH 6-BENZOYL-3-AMINO-2-IMINO-2,3- DIHYDROTHIAZOLO[4,5-b]QUINOXALINE: SYNTHESIS OF (1,2,4) TRIAZOLO[3′,2′:2,3]THIAZOLO[4,5-b] QUINOXALINE AND (1,3,4)THIADIAZINO [5,6-b]QUINOXALINE DERIVATIVES
✍ Scribed by Ammar, Y. A.; El-gaby, M. S. A.; Zahran, M. A.; Abdel-salam, A. A.
- Book ID
- 120225572
- Publisher
- Taylor and Francis Group
- Year
- 2000
- Tongue
- English
- Weight
- 340 KB
- Volume
- 157
- Category
- Article
- ISSN
- 1042-6507
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
## Abstract The reaction of the 6‐chloro‐2‐(1‐methyl‐2‐thiocarbamoylhydrazino)quinoxaline 4‐oxides 3a‐d with trifluoroacetic anhydride gave the 2‐(__N__‐aryl)trifluoroacetamido‐8‐chloro‐4‐methyl‐4__H__‐1,3,4‐thiadiazino‐[5,6‐__b__]quinoxalines 7a‐d, respectively, while the reflux of compounds 3a‐c
Reaction of triazino[5,6-b]-3(4H)-quinoxalin one 2 with and/or pocl3 gave triazinoquinoxalin-3-thione 3 and/or the corresponding 3-chloro derivative 7. Treatment of 3 with alkvl (aralkyl) halides gave the corresponding 3-thioalkyl substituentes 4. Treatment of either 3 or 7 with hydrazine hydrate ga