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ChemInform Abstract: Preparation of N-Aryl-4-oxo-4H-1-benzothiopyran-2-acetamides from Trilithiated Acetoacetanilides and Lithiated Methyl Thiosalicylate.

โœ Scribed by April J. Angel; Anne E. Finefrock; Kristen L. French; Douglas R. Hurst; Angela R. Williams; Mary E. Rampey; Shannon L. Studer-Martinez; Charles F. Beam


Publisher
John Wiley and Sons
Year
2010
Weight
27 KB
Volume
30
Category
Article
ISSN
0931-7597

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ChemInform Abstract: The Preparation of
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The Preparation of 2-(4-Oxo-4H-1-benzopyran-2-yl)-1phenylethanones by the Condensation/Cyclization of Dilithiated 1-Benzoylacetone with Lithiated Methyl Salicylates. -Condensation of dilithiated 1-benzoylacetone (I) with lithiated methyl salicylates (II) followed by acid-induced cyclization provide