The Direct Alkylamination of α-Substituted Antraquinones Promoted bu Metal Ions

DOI: 10.1246/bcsj.54.2225

Source and publish data:

Bulletin of the Chemical Society of Japan p. 2225 - 2226 (1981)

Update date:2022-08-05

Topics: Substituted Promoted Direct Metal ions Experimental α-Substituted

Authors:

Matsuoka, Masaru

Takei, Toshio

Nakamura, Isao

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Article abstract of DOI:10.1246/bcsj.54.2225

The reaction of 1-amino-4-acylaminoantraquinones with piperidine in the presence of CoCl2 and atmospheric oxygen gave the 2-aminated products in 75-80percent and similar reaction of 1-hydroxyantraquinone or 1-aminoantraquinone-2-sulfonic acid with butylamine gave the corresponding 4-aminated products, respectively.The effects of the α-substituents and the role of metal salts were discussed.

Full text of DOI:10.1246/bcsj.54.2225

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