... Robert V. Hoffman,* Naresh K. Nayyar, and Bruce W. Klinekole Department of Chemistry New Mexico State University Las Cruces, New Mexico 88003-0001 Received April 24, 1992 ... Chem. 1978, 43, 2464. (10) Hoffman, R. V.; Carr, C. S.; Jankowski, BC J . Org. Chem. ...