1. Electroorganic Chemistry 154. For part 153, see Tetrahedron Lett., in press 1997.
2. Department of Metallurgy.
3. Research and Development Department, Osaka Gas Co. Ltd. 1 Chyudoji-Machi, Simogyo, Kyoto 600.
4. Research Institute for Science and Technology.
5. We have previously reported that the electroreduction of 1 under protic conditions gave the corresponding primary alcohols.[6]