Stereocontrol in Pinacol Ring-Contraction of Cyclopeptidyl Glycols: The Diazonamide C(10) Problem We thank Mr. Imran Alibhai and Dr. Jing Li for invaluable experimental assistance. Financial support provided by the Advanced Research Program of the Texas Higher Education Coordinating Board and The Robert A. Welch Foundation, and junior faculty awards administered through the Howard Hughes Medical Institute and the University of Texas Southwestern Medical Center are gratefully acknowledged.
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Department of Biochemistry University of Texas Southwestern Medical Center at Dallas Dallas, TX 75390-9038 (USA).
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Harran
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