Thermal Intermolecular Hetero Diels-Alder Cycloadditions of Aldehydes and Imines via o-Quinone Dimethides This work was supported by the National Institutes of Health (AI 16943/CA 28824). Postdoctoral Fellowship support is gratefully acknowledged by M.F.H. (5T32 CA62948-05) and J.G.A (NIH, CA-80356). We are grateful to Dr. George Sukenick (NMR Core Facility, Sloan-Kettering Institute) for NMR and mass spectral analyses.
Laboratory for Bioorganic Chemistry Sloan-Kettering Institute for Cancer Research 1275 York Avenue, Box 106, New York, NY 10021 (USA).
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Hentemann
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Allen
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Danishefsky