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A new Claisen sequence for the synthesis of 3-substituted-2-oxindoles

โœ Scribed by Kevin I Booker-Milburn; Michael Fedouloff *; Sandra J Paknoham; John B Strachan; James L Melville; Martyn Voyle

Book ID
104210386
Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
207 KB
Volume
41
Category
Article
ISSN
0040-4039

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A new synthesis of 3-aryl substituted ox
A new synthesis of 3-aryl substituted oxindoles
โœ Thi-My Ly; Nieves M Laso; Samir Z Zard ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 677 KB

A variety of 3-aryl substituted oxindoles can be rapidly constructed by treatment of a suitable 2,2-dimethoxy arylacetanilide, with titanium tetrachloride or boron trifluoride etherate ; the synthesis of the precursors hinges on a powerful reaction between arylacetic acids and thionyl chloride.