132775-05-4

Upstream product

• 108920-25-8 fluorobis(2,4,6-trimethylphenyl)fluorenylgermane 
• 108920-27-0 (C₆H₂(CH₃)3)2Ge(OH)CH(C₆H₄)2 
• 1307801-51-9 chlorofluorenyldimesitylgermane 
• 108946-03-8 bis(2,4,6-trimethylphenyl)fluorenylidenegermene 
• 132775-04-3 ((CH₃)3C₆H₂)2Ge(CC₁₂H₈)(N(C₆H₅))2 

Relevant academic research and scientific papers

The addition of terminal alkynes to dimesitylfluorenylidenegermane

A variety of terminal alkynes were added to dimesitylfluorenylidenegermane, Mes2Ge=CR2 (where CR2 = fluorenylidene).The addition of phenylacetylene and 1-hexyne to Mes2Ge=CR2 gave a germacyclohexene v

Addition of aldehydes to germenes: The influence of solvent

The addition of trans-(2-phenylcyclopropyl) carboxaldehyde to dimesitylfluorenylidenegermane produced four diastereomers of a 1,2-oxagermin, 7a-d, 2,2,4,4- tetramesityl-1,3-dioxadigermetane (8), and fluorenylidene- (trans-2-phenylcyclopropyl)methane (9). The ratio of the products showed a strong dependence on the solvent: 7a-d were formed almost exclusively when ether or benzene was used as the solvent for the reaction, whereas 1,3-dioxadigermetane 8 and alkene 9 were the major products formed in THF. A mechanism is proposed to account for the observations.

Reactivity of dimesitylfluorenylidenegermane with unsaturated nitrogen compounds

Dimesitylfluorenylidenegermane (1) reacts with ethylbenzylideneamine (PhCH=NEt) to give, according to a [2 + 2] cycloaddition, the very thermally stable four-membered-ring germaazetidine 2. In contrast, imines with a NH function, such as (diphenylmethylidene)amine (Ph2C=NH), react only as protic reagents. A [2 + 4] cycloaddition is observed with azobenzene, affording 5, which slowly aromatizes to 6 or thermally rearranges to give the [2 + 2] cycloadduct germadiazetidine 7. In the case of nitrosobenzene, only the germanone dimer 17 and imine 9 have been observed, probably via the preliminary formation of transient four-membered heterocycle 15.