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Reactions of Substituted Hydroxybenzofurans. IIFor Part I, see reference [3]. (1973)

Hishmat, Orchidée H. ; El Rahman, A. H. Abd

New York, NY : Wiley-Blackwell

Journal für Praktische Chemie/Chemiker-Zeitung 315 (1973), S. 227-234

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ISSN: 0021-8383

Keywords: Chemistry ; Organic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Bromination of 6-methoxy-2,3-diphenylbenzofuran 1 b leads to the 5-bromo derivative 5 a, whereas 5-methoxy-2,3-diphenylbenzofuran 3b yields the 4,6-dibromo derivative 4b.Nitration of 5-hydroxy-2,3-diphenylbenzofuran 3a gave 6-nitro-5-hydroxy-2-(p-nitrophenyl)-3-phenylbenzofuran 8a. On the other hand, nitration of 3 b yields the mononitro derivative, namely the 5-nitro compound 5 b.Bromination of 10a yields the 4-bromo derivative 10 b.Oxidation of 5a, 4b, 8a, 10a, 5b and 10 b followed by hydrolysis gives the benzophenone derivatives 6c, 7b, 9b, 9b, 6f and 7c, respectively.Both 5 b and 10a were reduced to the corresponding amino derivatives.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/prac.19733150206

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