... 2335. (IO) For a review on metal ketene complexes see: Geoffroy, GL; Bassner, SL Advances in Organometallic Chemistry; Academic Press, Inc.: San Diego, CA, 1988; Vol. ... 0002-7863/90/ 15 12-2264$02.50/0 0 1990 American Chemical Society Page 2. ... SOC., Vol. 112, No. ...