A complete and detailed characterization of Rapamycin (1) and Prolylrapamycin (2) has been conducted by homo- and hetero-nuclear NMR experiments in DMSO-d6 along with HRMS and FT-IR spectra and DSCs analyses. The NMR experiments allowed the assignment of every single proton and carbon atom belonging to the two structures and the definitive confirm of the presence of a pyrrolidine ring in Prolylrapamycin (2) in place of the piperidine ring that characterizes the structure of Sirolimus.
机构:
Albert Einstein Coll Med, Dept Biochem, New York, NY 10461 USA
Albert Einstein Coll Med, Dept Physiol, New York, NY 10461 USA
Albert Einstein Coll Med, Dept Biophys, New York, NY 10461 USAPrinceton Univ, PACM, Princeton, NJ 08540 USA
Cowburn, David
Khoo, Yuehaw
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机构:
Univ Chicago, Dept Stat, Chicago, IL 60637 USAPrinceton Univ, PACM, Princeton, NJ 08540 USA