... (1) Parts of this work were presented in preliminary form: (a) Bosch, J.; Feliz, M. 1st European Symposium on Organic Chemistry, Cologne, Germany, 1979. ... 0022-3263/S2/1947-2435$01,25/ 0 0 1982 American Chemical Society Page 2. 2436 J. Org. Chem., Vol. 47, No. 12, 1982 ...