Improved catalysts for the palladium-catalyzed synthesis of oxindoles by amide α-arylation. Rate acceleration, use of aryl chloride substrates, and a new carbene …
S Lee, JF Hartwig
Index: Bowman, W. Russell; Heaney, Harry; Jordan, Benjamin M. Tetrahedron Letters, 1988 , vol. 29, # 50 p. 6657 - 6660
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Citation Number: 515
Abstract
... Volume: Page: ... 29. The authors' laboratory and others have shown recently that the use of catalysts containing sterically hindered alkylphosphines accelerate a number of cross ... 5 mol % Pd(OAc) 2 , 5 mol % PCy 3 , 1.5 equiv of NaO t Bu, 1,4-dioxane (0.1 M) at 50 ...
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