B-3000 Leuven (E3elgium
Reaction of 4,5-diaminopyrimidine and ethyl acetoacetate: Synthesis and chemistry of isomeric dihydropyrimido[4,5-b][1,4] diazepinones
✍ Scribed by Mervyn Israel; S. Karin Tinter; Dorothy H. Trites; Edward J. Modest
- Book ID
- 112122259
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1970
- Tongue
- English
- Weight
- 626 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0022-152X
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📜 SIMILAR VOLUMES
## Abstract Several new 6‐amino‐ and 6,8‐diamino‐4‐aryl‐2,3‐dihydropyrimido[4,5‐__b__][1,4]diazepines were obtained from the reaction of 4,5,6‐triaminopyrimidine **1a** and 2,4,5,6‐tetraaminopyrimidine **1b** with one equivalent of 3‐dimethylaminopropiophenones **2** in absolute ethanol. Structure
## 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
Synthens of lH-4,~S,96-letmhydromdeno[I,2-b]pyndme has been accomphshed by catalyllc hydrogenahon of 4H-4a,P&hy&wandenopyn&nes 7ke rromenzahon of IH-4,4a,S,9b-~etrahydmtndeno~dmss contaoamg an acyljimctlon at C-3 Ieaok to 3H\_4,445,9b\_l~no~n~n~ m acldrc me&on