Chemistry of the hetero analogs of isoflavones. 22. Mannich reaction in the benzimidazole and benzothiazole analogs of isoflavones

DOI: 10.1007/BF02311328

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Chemistry of Heterocyclic Compounds p. 923 - 928 (1998)

Update date:2022-08-03

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Authors:

Frasinyuk

Turov Turov

Khilya Khilya

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Article abstract of DOI:10.1007/BF02311328

New 3-(2-benzothiazolyl)chromones were obtained by the reaction of 2-(2,4-dihydroxy-5-ethylphenacyl)-benzothiazole with triethyl orthoformate or carboxylic acid anhydrides. Aminomethylation of the chromones and also of familiar 3-(2-benzimidazolyl) chromones by substituted 1,1-diaminomethanes gave Mannich bases. 1999 Kluwer Academic/Plenum Publishers.

Full text of DOI:10.1007/BF02311328

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