Syntheses in the epinephrine series. Pt. II. [The formation and properties of some 2:5- and 2:6-substituted pyrazines and their conversion into amino-ketones and imino-diketones] / by Frank Tutin.
- Tutin, Frank.
- Date:
- 1910
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Syntheses in the epinephrine series. Pt. II. [The formation and properties of some 2:5- and 2:6-substituted pyrazines and their conversion into amino-ketones and imino-diketones] / by Frank Tutin. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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![hydrochloride in tufts of small, white needles, but it was unstable, and, on warming its solution, mercurous chloride soon separated. mra'p^'-Tetrahydroxydiphenacylamine picrate, [CgH3(OH)2-CO'CHo]2NH,CcH30:N3, crystallised readily in tufts of yellow needles, which contained water of crystallisation, and, when air dried, melted at 112—115°. In conclusion, the author wishes to acknowledge his indebtedness to Mr. F. W. Caton, B.A., B.Sc., for the preparation and purification of the w-chloro-o- and p-metlioxyacetophenones employed in this research. The Wellcome Chemical Research Laboratories, London, E.C. R. CLAY AND SONS, LTD., HRKAD ST. HILL, B.C., AND BUNQAY, SUFFOLK.](https://iiif.wellcomecollection.org/image/b22433168_0034.jp2/full/800%2C/0/default.jpg)


