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ChemInform Abstract: A Two-Step Synthesis of Unsymmetrical 1,4-Disubstituted Carbazoles from Sulfonylindoles under Heterogeneous Catalysis.

โœ Scribed by Roberto Ballini; Serena Gabrielli; Alessandro Palmieri; Marino Petrini


Publisher
John Wiley and Sons
Year
2011
Weight
38 KB
Volume
42
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Two-Step Synthesis
โœ Kazuhiro Kobayashi; Toshihide Komatsu; Yuki Yokoi; Hisatoshi Konishi ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› John Wiley and Sons โš– 35 KB ๐Ÿ‘ 1 views

Two-Step Synthesis of 1,3-Disubstituted 3,4-dihydro-4-thioxoquinazolin--2(1H)-ones from 1-Bromo-2-fluorobenzenes. -Benzothioamides (III) undergo addition-substitution with phenyl isocyanate (IV) to give the desired thioxoquinazolinones (Va)-(Vc) in good yields. No reaction is observed for (IIId) irr