Electrophilic Substitution Reactions of [1]Benzothieno[3,2-b]furan-Reference-Cited by-同舟云学术

Electrophilic Substitution Reactions of [1]Benzothieno[3,2-b]furan

Published:1996 Issue:6 Volume:61 Page:888-900
ISSN:0010-0765
Container-title:Collection of Czechoslovak Chemical Communications
language:en
Short-container-title:Collect. Czech. Chem. Commun.

Author:

Svoboda Jiří,Pihera Pavel,Sedmera Petr,Paleček Jaroslav

Abstract

In chlorination, bromination, iodination, nitration, sulfonation, formylation, and trifluoroacetylation of [1]benzothieno[3,2-b]furan (1) the substituent enters the 2-position. The said halogenations go by the addition-elimination mechanism. When the substitution is continued, the second substituent enters the 6-position of heterocycle 1. The 1H and 13C NMR spectra have been completely assigned. Substituent effects on NMR parameters are discussed.

Publisher

Institute of Organic Chemistry & Biochemistry

Subject

General Chemistry

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