... NN Joshi, M. Srebnik, and Herbert C. Brown* H. C. Brown and RB Wetherill Laboratories of Chemistry Purdue University. West Lafayette, Indiana 49707 Received May 2, 1988 ... 1984, 25, 3. 0 1988 American Chemical Society Page 2. ... Chem. SOC.. Vol. 110, No. 18, 1988 6247 ...