... (1) For example, see: Comprehensive Natural Products Chemistry; Barton, D., Nakanishi, K., Meth-Cohn, O., Eds.; Elsevier Science: Oxford, UK, 1999; Vols. ... (12) Greene, TW; Wuts, PGM In Protective Groups in Organic Synthesis, 2nd ed.; Wiley & Sons: New York, 1991. ... J. Org. ...