... SOC. 1979, 101, 7032. Stevens, RV In Strategies and Tactics in Organic Synthesis; Lindberg, T., Ed.; Academic Press: Orlando, 1984; Chapter 10, pp 275- 298. Nu 1 OA Nu 1 OB ... procedure previously reported" from this laboratory. 1979,16, 1625. J. Org. Chem., Vol. 60, No. ...