Photoreactions of Sc3N@Ih‐C80 and Lu3N@Ih‐C80 with disilirane: Isolation and characterization of labile 1,2‐adducts

The photolysis of Sc3N@Ih‐C80 with disilirane (1,2‐disilacyclopropane) afforded the corresponding 1,2‐ and 1,4‐adducts. The relatively unstable 1,2‐product was characterized using spectroscopic and electrochemical analyses, and theoretical calculations. The relative energies of the optimized structu...

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Published inHeteroatom chemistry Vol. 29; no. 5-6
Main Authors Kako, Masahiro, Ozeki, Fumiaki, Kanzawa, Shinji, Fukazawa, Shinpei, Sato, Kumiko, Yamada, Michio, Maeda, Yutaka, Furukawa, Makoto, Akasaka, Takeshi
Format Journal Article
LanguageEnglish
Published London Hindawi Limited 01.12.2018
Subjects
Adducts
Derivatives
disilirane
endohedral metallofullerene
fullerene
Isomerization
organosilicon compound
Photolysis
Sc3N@C80 & Lu3N@C80
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Summary:The photolysis of Sc3N@Ih‐C80 with disilirane (1,2‐disilacyclopropane) afforded the corresponding 1,2‐ and 1,4‐adducts. The relatively unstable 1,2‐product was characterized using spectroscopic and electrochemical analyses, and theoretical calculations. The relative energies of the optimized structures are consistent with the experimentally observed isomerization of the 1,2‐adduct to the 1,4‐adduct. The electron‐donating effects of the silyl groups in these products were confirmed by comparing the redox potentials of the related Sc3N@Ih‐C80 derivatives. The relative stabilities and electronic properties of the 1,2‐ and 1,4‐adducts of Lu3N@Ih‐C80 show similar aspects to those obtained for the corresponding Sc3N@Ih‐C80 derivatives.
ISSN:1042-7163
1098-1071
DOI:10.1002/hc.21477