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  • 1
    Electronic Resource
    Electronic Resource
    Vasicinone. A Bronchodilator Principle from Adhatoda Vasica Nees (N. O. Acanthaceae) (1963)
    s.l. : American Chemical Society
    The @journal of organic chemistry 28 (1963), S. 445-448 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo01037a041
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  • 2
    Electronic Resource
    Electronic Resource
    Mannich Reaction with Hydroxycoumarins1 (1961)
    s.l. : American Chemical Society
    The @journal of organic chemistry 26 (1961), S. 5251-5253 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo01070a543
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  • 3
    Electronic Resource
    Electronic Resource
    Chiasmate type of meiosis in the roachNauphoeta cinerea (Oliver) (Fam: Blattidae) (1970)
    Springer
    Cellular and molecular life sciences 26 (1970), S. 298-299 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Nauphoeta cinerea est un des Cafards chez lesquels le chiasma de la méiose a été nettement observé. Ce cas vient à l'appui de l'assertion deSuomalainen selon laquelle des chiasmas se présenteraient sous une forme soit «cachée» soit «visible» chez tous les Cafards. La «méiose sans chiasma» queJohn etLewis supposent existes au moins chezP. americana n'est pas non plus confirmée par nos recherches.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01900107
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  • 4
    Electronic Resource
    Electronic Resource
    Biosynthesis of folic acid (1966)
    Springer
    Archives of microbiology 53 (1966), S. 358-370 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary It has been attempted to isolate and characterize the folate precursors in the culture filtrates of two folate-requiring organisms, Streptococcus faecalis R and Lactobacillus casei. On the basis of paper chromatography, bioautography, ultra violet absorption spectra, chemical reactions, and differential microbiological responses it has been concluded that L. casei cultures contain a compound similar to pteroic acid which can be utilized by S. faecalis R. The S. faecalis R cultures on the other hand appear to accumulate a pteridine derivative active for Crithidia fasciculata It has been confirmed that this pteridine is not derived from the folic acid usually added to the growth medium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00409873
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  • 5
    Electronic Resource
    Electronic Resource
    Multiplanar Cyclohexane Rings (1935)
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 608-609 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WITH reference to the letter of Dr. Qudrat-i-Khuda in NATURE of August 24, we wish to state that in this laboratory, the synthesis of the 1-carboxy-4-methyl-cyclohexane-1-acetic acids from the dicyano ester prepared from 4-methylcyclohexanone by Higson and Thorpe's method, led only to a pair of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/136608b0
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  • 6
    Electronic Resource
    Electronic Resource
    Isomerism of Derivatives of Cyclohexane (1937)
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 718-719 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BOTH 4-methylcyclohexane-l-carboxy-l-succinic acid and 3-methylcyclohexane-l-carboxy-l-succinic acid, synthesized by condensation of ethyl bromoacetate with the sodio derivatives of the dicyano esters prepared by Higson and Thorpe's method1, have been isolated in two forms ; ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/139718b0
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  • 7
    Electronic Resource
    Electronic Resource
    Non-Existence of Multiplanar Cyclohexane Rings (1936)
    [s.l.] : Nature Publishing Group
    Nature 138 (1936), S. 548-548 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE work done by us, so far, has shown that it is possible to isolate only two forms of 4-methyl-, 3-methyl- and 2-methyleyclohexane-1-carboxy-1-acetic acids1 and one form of 3:3-dimethylcyclohexane-1-carboxy-1-acetic acid2. In order to get more evidence on the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/138548b0
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  • 8
    Electronic Resource
    Electronic Resource
    Multiplanar Cyclohexane Rings (1935)
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 953-954 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE claim of Dr. Qudrat-i-Khuda1 to the isolation of the four stereoisomeric forms of l-carboxy-4-methyleycloZohexane-1-acetic acid required by the Sasche-Mohr hypothesis which it has not been possible to substantiate in this laboratory2 led us to search for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/136953b0
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  • 9
    Electronic Resource
    Electronic Resource
    Isomeric Forms of Complex Acetic Acid (1935)
    [s.l.] : Nature Publishing Group
    Nature 135 (1935), S. 434-434 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE synthesis of 1-carboxy-3-methylcyclohexane-l-acetic acid by Higson and Thorpe's method1 gave rise to a small amount of the acid, m.p. 163°, originally obtained by oxidation of α-keto-3-methylcyclo-hexane-1 : 1-diacetic acid2, accompanied by a low melting point ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/135434a0
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  • 10
    Electronic Resource
    Electronic Resource
    Multiplanar Cyclohexane Rings (1938)
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 798-798 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON bromination, the isomeric forms of 1-carboxy-4-methylcyclohexane-1-acetic acid (m.p. 173° and 137°)1 furnished monobromo acids, which gave the corresponding hydroxy acids on being heated with aqueous sodium carbonate. Oxidation of the hydroxy acids with alkaline permanganate ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/142798a0
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