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  • 1935-1939  (6)
  • 1930-1934  (6)
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  • 1
    Electronic Resource
    Electronic Resource
    METHYLCHOLANTHRENE (1935)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 57 (1935), S. 1380-1381 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01310a502
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Sex Hormones and Cancer-Producing Compounds (1933)
    [s.l.] : Nature Publishing Group
    Nature 131 (1933), S. 205-206 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SEQUEL to the formulation of the sterols and bile acids as hydrogenated phenanthrene derivatives1 was the suggestion2 that carcinogenic derivatives of 1:2-benzanthracene might arise by abnormal sterol metabolism. No experimental evidence for ringclosure to the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/131205b0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A Synthetic Oestrus-Exciting Compound (1933)
    [s.l.] : Nature Publishing Group
    Nature 131 (1933), S. 56-57 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN conformity with the hypothesis, for which there is at present no experimental basis, that the ovarian hormones are formed by degradation of sterols, and in the light of recent developments in the chemistry of the sterols, ketohydroxy-oestrin is possibly represented by formula (i). This ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/131056b0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Dehydrogenation of Œstrin (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 377-378 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE chemical constitutions of ketohydroxycestrin and trihydroxyoestrin are now largely established, mainly by the investigations of Butenandt, Marrian, and their collaborators. There remain, however, certain features of the molecular structure which have not yet been experimentally proved, but ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133377c0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Chemistry of Œstrogenic Substances (1935)
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 912-913 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE have reported that we were unable to obtain any evidence of œstrogenic activity in rats with benzylidenepyruvic acid and furylidenepyruvic acid or their sodium salts1. These negative results were attributed by Friedmann2 to the use of insufficient doses (100 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/136912b0
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  • 6
    Electronic Resource
    Electronic Resource
    Photo-oxides of Carcinogenic Hydrocarbons (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 1020-1020 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SUGGESTIONS have sometimes been made that the biological action of carcinogenic hydrocarbons is preceded by conversion, probably by oxidation, into water-soluble derivatives which may more readily be conceived as able to exert a direct action on the cells which eventually become malignant than ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1431020a0
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  • 7
    Electronic Resource
    Electronic Resource
    Chemistry of Œstrogenic Substances (1935)
    [s.l.] : Nature Publishing Group
    Nature 135 (1935), S. 959-959 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN view of the results published by E. Friedmann in NATURE of April 20, we decided to investigate the effect upon ovariectomised rats of the two compounds specifically mentioned by him as œstrogenic, namely, sodium benzylidenepyruvate and sodium furylidene-pyruvate. These were prepared and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/135959b0
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  • 8
    Electronic Resource
    Electronic Resource
    Chemistry of Œstrogenic Substances (1935)
    [s.l.] : Nature Publishing Group
    Nature 135 (1935), S. 793-793 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE wish to make the following comments on the communication by E. Friedmann in NATURE of April 20 (p. 622) under the above title:— (1) Dr. Friedmann apparently believes that the œstrogenic activity of synthetic compounds was first observed by Blum-Bergmann1, and afterwards ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/135793a0
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Goal Tar Constituents and Cancer (1932)
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 926-926 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE nature of the cancer-producing constituent (or constituents) of coal tar has been under investigation in this and other laboratories for some years past, but hitherto no known constituent of tar has been found to have definite cancer-producing properties, and no new carcinogenic constituent ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/130926a0
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  • 10
    Electronic Resource
    Electronic Resource
    Synthetische brunsterregende Verbindungen (1933)
    Springer
    Naturwissenschaften 21 (1933), S. 222-222 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01505670
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