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  • 1
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Condensations with Oxime O-Sulfonates, I.  -  Synthesis of 2-Amino-4,5-dihydro-4,5-diimino-1 H-pyrrole-3-carboxylatesThe reaction of the oxime O-tosylates 1 with the amidinoacetic acid esters 2 does not lead to the expected pyrazines 4, but rather to the novel 4,5-dihydro-1 H-pyrrole-3-carboxylates 8 (= 2-pyrroline-3-carboxylates) by rearrangement via 7. The hydrolysis of the pyrroles 8 and their reactions with amines have been studied.
    Notes: Die Reaktion der Oxim-O-tosylate 1 mit den Amidinoessigestern 2 führt nicht zu den erwarteten Pyrazinen 4, sondern unter Umlagerung über 7 zu den neuartigen 4,5-Dihydro-1 H-pyrrol-3-carbonsäureestern 8 (= 2-Pyrrolin-3-carbonsäureester). Die Hydrolyse der Pyrrole 8 sowie deren Umsetzung mit Aminen wird untersucht.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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