3-Allyl-3-hydroxyoxindoles were synthesized in very good enantio- (up to 97% ee) and diastereoselectivities (dr up to 7.6:1) with contiguous quaternary and tertiary stereogenic centers by employing tartrate derived bi(oxazoline) in Pd-catalyzed allylation of 3-OBoc-oxindole. Synthetic utility of 3-allyl-3-hydroxyoxindole was demonstrated by synthesizing a highly substituted spiro(oxindole-3,2'-tetrahydrofuran) derivative in good yield and stereoselectivity.
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Indian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, IndiaIndian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, India
Jayakumar, Samydurai
Muthusamy, Subramaniam
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Indian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, IndiaIndian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, India
Muthusamy, Subramaniam
Prakash, Muthuraj
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Indian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, IndiaIndian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, India
Prakash, Muthuraj
Kesavan, Venkitasamy
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Indian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, IndiaIndian Inst Technol, Biol Chem Lab, Dept Biotechnol, Chennai 600036, Tamil Nadu, India