... Contribution from the Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University, Yoshida, Sakyo, Kyoto 606, Japan. Received January 15. 1982 ... 0002-7863/82/1504-6697.$01.25/ 0 0 1982 American Chemical Society Page 2. Shono et al. ... SOC., Vol. 104, No. ...