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A Practical Two-Step Synthesis of 3-Alkyl-2,3-dihydro-1H-isoindolin-1-ones.

✍ Scribed by Yuan-Ping Ruan; Ming-De Chen; Ming-Zhu He; Xiang Zhou; Pei-Qiang Huang

Publisher: John Wiley and Sons
Year: 2004
Weight: 109 KB
Volume: 35
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200431113

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## Abstract For Abstract see ChemInform Abstract in Full Text.

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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