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Zur Umsetzung von 2-Amino-2-cyclopenten-1-on-Derivaten mit p-Benzochinonen, II (1988)

Kuckländer, Uwe ; Schneider, Bettina

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 121 (1988), S. 577-579

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ISSN: 0009-2940

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Reaction of 2-Amino-2-cyclopenten-1-one Derivatives with p-Benzoquinones, IIN-Aryl-α-ketoenamine 2a reacts with methyl-p-benzoquinone 1a to yield the hydroquinone adduct 3a. This is oxidized to the stable quinone 5a, which is cyclisized to indolequinone 4 and the quinonoid heterocyclus 6a. Compounds 6a and 4 are reduced and acetylated to hydroquinones 9a and 7, respectively. The path of the reaction is discussed. Reaction of 1b and 2b yields directly quinone 6b.

Additional Material: 1 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cber.19881210331

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