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Paper | Regular issue | Vol 29, No. 11, 1989, pp.2115-2120
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5112
Organogermanium Compounds; Spectrscopic Study on the Influence of Aryl Groups in the Organogermanium Aryl Compounds on the (p-d)π Interaction

Norihiko Kakimoto,* Katsuyuki Sato, Toyozo Takada, and Mitsuo Akiba*

*School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan

Abstract

The synthesis and properties of arylgermanium compounds through the reactions of aryllithium with germanium halides were investigated. 1H-Nmr spectroscopic analysis showed the (p-d)π interaction between the germanium atom and the double bond of the aryl group to diminish in the following group order: 2-benzofuranyl> 2-furanyl > 2-benzothiophenyl > 2-thiophenyl > phenyl group.