Catalytic Enantioselective Formal Hetero??Diels–Alder Reactions of Enones with Isatins to Give Spirooxindole Tetrahydropyranones
HL Cui, F Tanaka
Index: Cui, Hai-Lei; Tanaka, Fujie Chemistry - A European Journal, 2013 , vol. 19, # 20 p. 6213 - 6216
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Citation Number: 38
Abstract
Spirooxindole frameworks are common in bioactive natural products and pharmaceutical leads.[1] The development of efficient synthetic strategies to access spirooxindole motifs has been a challenge.[1, 2] The demand for concise asymmetric methods that provide a set of
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