1976 年 24 巻 4 号 p. 283-293
Mass spectral fragmentation pathways of ketone derivatives of[3]-and[4]-(1, 1')ferrocenophanes are presented. It has been shown that the ions formed by decarbonylation from the molecular ions of6-and7-ketones and6, 7-diketones have the bridged structure by ring contraction.