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ChemInform Abstract: First Example of Synthesis of Pyrrole-3-carbaldehyde from Isothiocyanate and 1,1,4-Trialkoxy-2-butyne in One Preparative Step.

โœ Scribed by N. A. Nedolya; L. Brandsma; N. I. Shlyakhtina; S. V. Tolmachev


Publisher
John Wiley and Sons
Year
2010
Weight
28 KB
Volume
32
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

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