Zg. Zhu et al., SYNTHESIS AND REACTIVITY OF 3-(TRIPHENYLGERMYL)PROPANOIC ACID, Journal of organometallic chemistry, 479(1-2), 1994, pp. 30000001-30000005
3-(Triphenylgermyl)propanoic acid was synthesized through several reac
tion steps from germanium tetrachloride. Aromatic Ge-C bonds in the co
mpound can be cleaved selectively by bromine and the beta-carboxylic f
unctional group shows some unusual properties.