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  • 1950-1954  (2)
  • 1945-1949  (7)
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Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Structure of Colchicine (1945)
    [s.l.] : Nature Publishing Group
    Nature 155 (1945), S. 479-479 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE suggestion of Dewar1 that ring G of colchicine is 7-membered is interesting, and the arguments which he advances in favour of this merit consideration. I cannot, however, accept his statement that “Cohen, Cook and Hoe have now provided evidence that ring B must be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/155479a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis of Colchicine Derivatives (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 692-692 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHILE the methoxylated carbon-system of (IV) is conclusively established for certain degradation products of colchicine1,2, the synthesis of such unsymmetrically substituted dibenzcycloheptatrienes, necessary for further work, has hitherto miscarried, because of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162692a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Oxidation of Anthracene by Osmium Tetroxide (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 237-238 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE have shown recently1 that the addition of osmium tetroxide to the 9 : 10-positions of phen-anthrene, first observed byJ Criegee, Marchand and Wannowius2, is a general property in a series of tetra- and penta-cyclic aromatic hydrocarbons containing ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161237b0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Synthesis of 3 : 4-Benztropolone (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 410-410 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DEWAR1 has interpreted the chemistry of the mould metabolite, stipitatic acid, and of colchiceine (the methyl ether of which is the alkaloid colchicine) by postulating that they are derived from the hypothetical cycloheptatrienolone (I). This he termed ‘tropolone’, and he ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163410a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Synthetic Analgesics (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 21-21 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ATTEMPTS to prepare new analgesics have, for many years, been based almost exclusively on the morphine molecule, the peripheral groups of which may be modified considerably with relatively little effect on the biological activity. The synthetic drug ‘Pethidine’ (ethyl ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162021a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    DETERMINATION OF IRON IN FOODS AND FOOD PRODUCTS (1947)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 12 (1947), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1947.tb16414.x
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  • 7
    Electronic Resource
    Electronic Resource
    Contaminant of Commercial 3 : 4-Benzpyrene (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 725-726 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This led to an examination of the commercial sample of benzpyrene used in both these investigations, and it was found that this sample was, in fact, contaminated with tetrahydrobenzpyrene which was separated from it by chromatography on alumina from light petroleum solutions. The most easily eluted ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167725b0
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  • 8
    Electronic Resource
    Electronic Resource
    Antibacterial and Antifungal Activity of Benztropolone (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 65-65 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have found that 3 : 4-benztropolone is fungi -statically active ; at the highest concentration tested, specific fungicidal properties towards a few species were observed. The compound has weak bactericidal activity. We are indebted to Prof. H. Erdtman for a specimen of y-thujaplicin, which was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166065a0
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    1 : 9- cyclo Hexylenefluorene (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 443-443 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hurd and Mold1 have recently described the dehydration of 2-fluorenylcyclohexanol to a saturated hydrocarbon to which they attribute the structure (...) of 1 : 9-cyclohexylenenuorene. If this structure were correct, the result would be of considerable importance, for it would ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163443a0
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    Paper (German National Licenses)
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