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Thienobenzopyrone und ‐furane
Author(s) -
Mustafa Ahmed,
Zayed Salah,
Emran Ali
Publication year - 1967
Publication title -
justus liebigs annalen der chemie
Language(s) - German
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0075-4617
DOI - 10.1002/jlac.19677040120
Subject(s) - chemistry , benzofuran , pyrone , stereochemistry , medicinal chemistry
Thieno‐benzo‐γ‐pyrone ( 2a, b ) und Thieno‐benzo‐α‐pyrone ( 3a, b ) werden aus 5‐Hydroxy‐4‐acetyl‐1‐benzothiophen ( 1c ) dargestellt. Die Duff‐Reaktion mit 5‐Hydroxy‐1‐benzothiophen ( 1a ) führt zu 5‐Hydroxy‐4‐formyl‐1‐benzothiophen ( 1f ), aus dem angulares Thieno‐[3.2‐ e ]benzofuran ( 4c ) synthetisiert wird.

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