Volume 124, Issue 10 pp. 2498-2501
Zuschrift

Asymmetric Synthesis of Allenyl Oxindoles and Spirooxindoles by a Catalytic Enantioselective Saucy–Marbet Claisen Rearrangement

Trung Cao

Trung Cao

Department of Chemistry, Penn Merck High Throughput Experimentation Laboratory, University of Pennsylvania, Philadelphia, PA 19104-6323 (USA)

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Joshua Deitch

Joshua Deitch

Department of Chemistry, Penn Merck High Throughput Experimentation Laboratory, University of Pennsylvania, Philadelphia, PA 19104-6323 (USA)

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Dr. Elizabeth C. Linton

Dr. Elizabeth C. Linton

Department of Chemistry, Penn Merck High Throughput Experimentation Laboratory, University of Pennsylvania, Philadelphia, PA 19104-6323 (USA)

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Prof. Marisa C. Kozlowski

Corresponding Author

Prof. Marisa C. Kozlowski

Department of Chemistry, Penn Merck High Throughput Experimentation Laboratory, University of Pennsylvania, Philadelphia, PA 19104-6323 (USA)

Department of Chemistry, Penn Merck High Throughput Experimentation Laboratory, University of Pennsylvania, Philadelphia, PA 19104-6323 (USA)Search for more papers by this author
First published: 27 January 2012
Citations: 19

Financial support was provided by the NSF (CHE-0911713) and NIH (RO1GM087605). Partial instrumentation support was provided by the NIH for MS (1S10RR023444) and NMR (1S10RR022442) and by the NSF for an X-ray diffractometer (CHE-0840438). The invaluable assistance of Dr. Patrick Carroll in obtaining the crystal structures is gratefully acknowledged.

Graphical Abstract

Palladium(II)-Katalysatoren mit (R)-Binap oder tBuphox als Liganden L* vermitteln die erste erfolgreiche katalytische enantioselektive Saucy-Marbet-Claisen-Umlagerung. Dabei entstanden Allenyloxindole oder Spirolactone mit quartärem Zentrum mit bis zu 98 % ee.

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