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  • Organic Chemistry  (89)
  • dihaploid  (3)
  • Magnetism
  • 2000-2004
  • 1975-1979  (7)
  • 1955-1959  (31)
  • 1950-1954  (54)
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Keywords
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Inheritance of genetic markers from two potato dihaploids and their respective parent cultivars (1978)
    Springer
    Euphytica 27 (1978), S. 681-688 
    Details
    ISSN: 1573-5060
    Keywords: Potato ; dihaploid ; marker genes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary In the first inbred generation (I1) of cv. Black 4495 a dark green, slowly growing mutant (coded ds) was found, whereas the I1 of its self-compatible dihaploid, B16, comprised this ds mutant and in addition the mutants virescens (v) and yellow margin (ym). The occurrence of ds and ym might trace back to diploid S. phureja, one of the ancestors of Black 4495. No lethal mutants were observed in I1 of B16. Analysis of I1 of cv. Gineke revealed a simplex condition for virescence and either duplex or triplex heterozygosity for one lethal gene. On the other hand, the I1 of its dihaploid, G254, segregated for virescence and for three different lethal genes. It is shown that both in B16 and in G254 homozygosity of an S-bearing translocation causes early death of embryo and endosperm, thus preventing seed development. From this study it appeared that the three lethal genes from G254 affect germination rate of the seeds. The genotypes at 11 loci of B16 and G254 are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00023703
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  • 2
    Electronic Resource
    Electronic Resource
    Genetics of self-compatibility in dihaploids of Solanum tuberosum L. 4. Linkage between an S-bearing translocation and a locus for virescens (1978)
    Springer
    Euphytica 27 (1978), S. 381-384 
    Details
    ISSN: 1573-5060
    Keywords: Solanum tuberosum ; potato ; self-compatibility ; dihaploid ; linkage ; virescens ; translocation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Three dihaploids of Solanum tuberosum (two self-compatible, one self-incompatible) were found to be heterozygous for a monogenic recessive virescent mutant. Intercrossing resulted in the expected 3 : 1 ratio only in crosses involving one self-compatible and one self-incompatible parent. Self-compatible x self-compatible matings produced F1's in which 6:1 was found. The same ratio was observed in the self progeny of the two self-compatible dihaploids. This significant deviation could be explained by assuming linkage (25% crossing-over) between v and an S-bearing translocation. This translocation causes self-compatibility in the dihaploids used and early lethality when homozygous.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00043162
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  • 3
    Electronic Resource
    Electronic Resource
    Genetics of self-compatibility in dihaploids of Solanum tuberosum L. 5. The S-genotype of tetraploid potato cultivar gineke (1978)
    Springer
    Euphytica 27 (1978), S. 385-388 
    Details
    ISSN: 1573-5060
    Keywords: Solanum tuberosum ; potato ; incompatibility ; dihaploid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Investigations of the genetics of self-compatibility and self-incompatibility in dihaploids and diploid derivatives from cv. Gineke revealed the presence of S 1, S2 and S 3 at the S-locus of Gineke and in addition an S 1-allele on a translocation. By means of a complete tester set involving the S-alleles S 1, S2 and S 3 (all from Gineke) and S 4 (from Black 4495) it was demonstrated that some Gineke dihaploids were compatible with all six testers. This indicated a fourth S-allele in Gineke, which differs from those in the tester series and was therefore assigned S 5. Additional evidence was obtained from an analysis of F1's from crosses of two S 5-bearing dihaploids and one of the testers. So the S-genotype of cv. Gineke was identified as S 1S2S3S5/S1, the second S 1 being the S-allele on a translocated fragment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00043163
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  • 4
    Electronic Resource
    Electronic Resource
    Beitrag zur Kenntnis des Polypeptidteils von Mutterkornalkaloiden (Spaltung der Mutterkornalkaloide mit Hydrazin). 16. Mitteilung über Mutterkornalkaloide (1950)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 33 (1950), S. 57-67 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wird die Spaltung der Mutterkornalkaloide vom Polypetid-Typus mit Hydrazin beschrieben. Neben kleineren Spaltstücken wird die vollständige Peptidseitenkette als dreigliedriges saures Spaltstück erhalten, wobei das bei der totalen Hydrolyse mit Säuren und Alkalien als Ketosäure auftretende Glied nun in reduzierter Form erhalten wird. Aus Dihydro-ergotamin isolierte man Propionyl-L-phenyl-alanyl-L-prolin und aus den anderen Alkaloiden die entsprechend aufgebauten Peptidsäuren, deren Konstitution durch Synthese bewiesen werden konnte.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19500330113
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  • 5
    Electronic Resource
    Electronic Resource
    Peptide der isomeren Lysergsäuren und Dihydro-lysergsäuren. 18. Mitteilung über Mutterkornalkaloide (1950)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 33 (1950), S. 108-116 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Als Modellversuche für die Partialsynthese der natürlichen Mutterkornalkaloide vom Peptidtypus und zum Studium des Zusammenhanges zwischen Struktur der Peptidseitenkette und pharmakologischer Wirkung wurde eine grössere Anzahl von Peptiden der isomeren Lysergsäuren und Dihydro-lysergsäuren hergestellt, analysiert und charakterisiert.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19500330119
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  • 6
    Electronic Resource
    Electronic Resource
    Recherches dans la série des cyclitols XI. Sur l'identité du viburnitol de Viburnum tinus L. avec le l-quercitol de Gymnema sylvestre Br. (1950)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 33 (1950), S. 343-349 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Le viburnitol extrait de Viburnum tinus L. est identique au l-quercitol de Gymnema sylvestre Br. A l'état dûment purifié il ne peut remplacer le méso-inositol comme facteur de croissance pour Eremothecium Ashbyii et pour le mutant “inositolless” de Neurospora crassa. Les composés phospho-organiques acido-solubles des fruits de Viburnum tinus consistent essentiellement en esters inosito-phosphoriques.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19500330217
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  • 7
    Electronic Resource
    Electronic Resource
    Über die Konstitution des Eleutherins. (Inhaltsstoffe aus Eleutherine bulbosa (Mill.) Urb. III) (1950)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 33 (1950), S. 1751-1770 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Aus den Knollen von Eleutherine bulbosa wurde ein bisher unbekanntes, rechtsdrehendes Naphtochinon, Eleutherin (I), isoliert und in seiner Konstitution aufgeklärt. I enthält einen Dimethylisopyranring; es konnte unter Ringöffnung über das furanoide Reduktionsprodukt XVIII in das gelbe, optisch inaktive ψ-Eleutherin (XXIII) umgewandelt werden.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19500330644
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  • 8
    Electronic Resource
    Electronic Resource
    Polymerisation von Butadien-(1,3) mit Tetrabenzyltitan-Verbindungen enthaltenden Systemen (1975)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 317 (1975), S. 143-152 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Tetrabenzyltitanium and its o-halogenbenzyl derivates have only a small activity for polymerizing butadien. Aluminium trialkyls accelerate the catalytic activity. A very suitable system for preparing 1,4-cis or 1,4-trans polybutadien under normal pressure is formed by tetrabenzyl titanium and aluminium chloride as a co-catalyst.
    Notes: Titantetrabenzyl sowie die erstmals näher beschriebenen Titantetra-o-halogenbenzyle weisen eine geringe Aktivität zur Polymerisation von Butadien auf. Aluminiumtriäthyl erhöht die Aktivität. Günstiger wirkt Aluminiumchlorid als Cokatalysator, wobei unter Normaldruck stereoreguläres Polybutadien mit vorwiegend 1,4-trans- bzw. 1,4-cis-Anteilen erhalten werden konnte.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19753170116
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  • 9
    Electronic Resource
    Electronic Resource
    α-Substituierte Phosphonate. XIX. Derivate der Aminomethan-bis-phosphonsäure (1976)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 318 (1976), S. 116-126 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: α-Substituted Phosphonates. XIX. Derivatives of Aminomethane-bis-phosphonic AcidAminomethane-bis-phosphonic acid tetraethylesters have been prepared by various methods. Chlorination and hydrolysis of these compounds have been studied in detail.
    Notes: Aminomethan-bis-phosphonsäure-tetraäthylester wurden nach verschiedenen Verfahren synthetisiert. Die Chlorierung und die Hydrolyse dieser Verbindungen wurden eingehend untersucht.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19763180113
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  • 10
    Electronic Resource
    Electronic Resource
    α-Aminosäuren und Derivate, VIII. Eine einfache Synthese für D,L-Phosphinothricin (1976)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 318 (1976), S. 157-160 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: α-Aminoacids and Derivatives. VIII. A Simple Synthesis of PhosphinothricinA simple and economical synthesis of D,L-phosphinothricin 2 - the active part of an antibiotical effective heterotripeptide which was isolated from Streptomyces viridochromogenes - is described.
    Notes: Es wird eine einfache und ökonomische Synthese von D, L-Phosphinothricin 2, dem wirksamen Bestandteil eines aus Streptomyces viridochromogenes isolierten antibiotisch wirksamen Heterotripeptids beschrieben.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19763180117
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