A Practical Synthesis of 2-Carbonylbenzo[B]Thiophenes

A Practical Synthesis of 2-Carbonylbenzo[B]Thiophenes

2-Mercaptobenzoic acid was reduced, alkylated on sulfur atom with various α-halocarbonyl derivatives and then oxidized to 2-thioalkoxybenzaldehydes which underwent intramolecular condensation to give 2-carbonylbenzo[b]thiophenes in good yields.

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Veröffentlicht in:Synthetic communications 1990-06, Vol.20 (11), p.1687-1695
Hauptverfasser: Hsiao, Chi-Nung, Bhagavatula, Lakshmi, Pariza, Richard J.
Format: Artikel
Sprache:eng
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Zusammenfassung:2-Mercaptobenzoic acid was reduced, alkylated on sulfur atom with various α-halocarbonyl derivatives and then oxidized to 2-thioalkoxybenzaldehydes which underwent intramolecular condensation to give 2-carbonylbenzo[b]thiophenes in good yields.
ISSN:0039-7911
1532-2432
DOI:10.1080/00397919008053090