Beitrag zur Kenntniss der Quecksilberverbindungen der Alkaloide

Hinterberger, Kevin Fredy

doi:10.1002/prac.18510530164

Cited by 2 publications

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“…Later studies conducted by Theodor Wertheim (1820–1864) supported the existence of two additional varieties of the compound, C 44 H 23 NO 14 and C 48 H 27 NO 14 , which would become homologous with that reported by Blyth (i.e., where an atomic weight of C = 6 was used for carbon). A fourth variety, represented by the formula C 42 H 21 NO 14 , was considered in a similar manner by the apothecary F. Hinterberger …”

Section: Alkaloid Chemistrymentioning

confidence: 99%

“…A fourth variety, represented by the formula C 42 H 21 NO 14 , was considered in a similar manner by the apothecary F. Hinterberger. 38 Therefore, Matthiessen, now working in his private consulting laboratory, began to investigate the chemical nature of narcotine to understand the variety of proposed compositions and to establish the definitive formula, or formulas, associated with the alkaloid. The first stage of the investigation, performed jointly with George Carey Foster (1835−1919), 39 established the formula for narcotine that is currently accepted by the chemical community, C 22 H 23 NO 7 .…”

Section: ■ Alkaloid Chemistrymentioning

confidence: 99%

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Augustus Matthiessen and His Contributions to Chemistry

Reif-Acherman

2014

J. Chem. Educ.

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The British scientist Augustus Matthiessen (1831−1870) is widely known for his investigations on the influence of temperature on the electric conductivity of metals and alloys. However, his contributions to other areas of science throughout his career are not widely acknowledged. His research on the electrolytic decomposition of metallic salts resulted in the isolation of pure alkali and alkaline earth metalsincluding calcium, magnesium, strontium, and lithiumas well as the identification of some of their properties. His studies on the definitive composition and formulas of a group of alkaloids and the products resulting from their decomposition contributed to the establishment and definition of a general and consistent system of nomenclature for organic compounds in the 19th century.

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Section: Alkaloid Chemistrymentioning

confidence: 99%

Section: ■ Alkaloid Chemistrymentioning

confidence: 99%