Selective Hydroxylation of a Steroid at C-9 by an Artificial Cytochrome P-450 We thank the National Institutes of Health, the National Science Foundation, and the Environmental Protection Agency for financial support of this research. J.Y. acknowledges support from an NCERQA EPA Graduate Fellowship and a Bristol-Myers Squibb Graduate Fellowship.
Department of Chemistry Columbia University New York, NY 10027 (USA).
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