Phenazines-IV : The synthesis of 3-aminophenazine-1-, 3-aminophenazine-2-and 8-aminophenazine-1-carboxylic acids
β Scribed by D.J.H. Brock; F.G. Holliman
- Publisher
- Elsevier Science
- Year
- 1963
- Tongue
- French
- Weight
- 523 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0040-4020
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## Abstract Practicable syntheses of 1βaminoβ and 1:3βdiaminoβphenazines are described for the first time. These substances (and a byproduct, 1βhydroxyphenazine) thus become relatively accessible and may prove of interest as redox indicators or as material for further syntheses.
New methodology for the synthesis of enantiopure 3-aza-6,8-dioxa-bicyclo[3.2.1]octane-carboxylic acids belonging to 7-endo-BTAa sub-class of g/d amino acids is described. The novelty is the use of 2,3-O-isopropylidene-erythrose instead of meso-tartaric acid derivative, thus allowing us to perform an