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ChemInform Abstract: Mono- and Bis-2-amino-4H-pyrans: Alum Catalyzed Three- or Pseudo Five-Component Reaction of 4-Hydroxycoumarin, Malononitrile and Aldehydes.

✍ Scribed by Ali Reza Karimi; Cyrus Eslami

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ChemInform Abstract: Antimony Trichlorid

✍ R. N. Bhattacharya; Pradip Kundu; Gourhari Maiti 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 29 KB 👁 1 views

## Abstract 4‐Substituted furano‐ and pyranopyrimidinones are prepared stereoselectively in high yields using a simple one‐pot procedure.