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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1982 (1982), S. 1656-1676 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: New 4-Quinolinol- and 5,6,7,8-Tetrahydro-4-quinolinol Derivatives with Biocidal EffectThe synthesis of some O-substituted 4-quinolinols and 5,6,7,8-tetrahydro-4-quinolinols 7-13 is described. 2 and 4 afford the 4-chloroquinolines 14 and 15 with POCI3. These can be transformed into 4-aryloxyquinolines 16 and 17 as well as 4-alkyl- or -arylthioquinolines 20 and 4-aminoquinolines 21.
    Notes: Es wird die Synthese einiger O-substituierter 4-Chinolinole und 5,6,7,8-Tetrahydro-4-chinolinole 7-13 beschrieben. Ausgehend von 2 und 4 gelangt man mit POCl3 zu 4-Chlorchinolinen 14 und 15, welche in die 4-Aryloxychinoline 16 und 17 sowie 4-Alkyl-(Aryl-)thiochinoline 20 bzw. 4-Aminochinoline 21 übergeführt werden.
    Additional Material: 8 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1976 (1976), S. 705-715 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions with Cyclobutenediones, XLI.  -  Reaction of Cyclobutenediones and Cyclobutenones with Acyl HalidesPhenylcyclobutenedione 1 and 4,4-difluoro-2-phenyl-2-cyclobuten-l -one 6 react with aroyl halides to give the addition products 4 and 7, respectively, which were found to have photo-chromic properties. The reaction of benzoyl chloride with 1 at elevated temperature afforded 412, 8 and 9. A pathway to these products is discussed. The reaction of 1 with o-phthaloyl halides and aliphatic diacyl chlorides is examined.
    Notes: Phenylcyclobutendion 1 und 4,4-Difluor-2-phenyl-2-cyclobuten-l-on 6 reagieren mit Aroyl-halogeniden unter Bildung der Additionsprodukte 4 bzw. 7, die zwei neue Klassen photochromer Substanzen darstellen. Bei erhöhter Temperatur liefert Benzoylchlorid aus 1 neben 4c die Cyclobutenone 8 und 9, deren Bildungsweise diskutiert wird. Die Umsetzung von 1 mit o-Phthalsäure-halogeniden und aliphatischen Dicarbonsäurechloriden wird untersucht.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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