497845-35-9

Upstream product

• 497845-33-7 C₇₄H₁₀₄Si₅ 
• 497845-30-4 1,4-Bis-{[dimethyl-(1,1,2-trimethyl-propyl)-silanyl]-ethynyl}-2-(2-{[dimethyl-(1,1,2-trimethyl-propyl)-silanyl]-ethynyl}-phenylethynyl)-3-ethynyl-benzene 
• 496067-19-7 1,4-Bis-{[dimethyl-(1,1,2-trimethyl-propyl)-silanyl]-ethynyl}-2-(2-{[dimethyl-(1,1,2-trimethyl-propyl)-silanyl]-ethynyl}-phenylethynyl)-3-iodo-benzene 
• 497845-32-6 1,4-Bis-{[dimethyl-(1,1,2-trimethyl-propyl)-silanyl]-ethynyl}-2-iodo-3-trimethylsilanylethynyl-benzene 

Relevant academic research and scientific papers

Total syntheses of angular [7]-, [8]-, and [9]phenylene by triple cobalt-catalyzed cycloisomerization: Remarkably flexible heliphenes

Six of the final cyclobutadiene rings in angular [8]phenylene and [9]phenylene (1) are closed in an unprecedented cobalt-catalyzed triple cyclization of appropriate nonaynes. These strained products are the largest known phenylenes and display unusual con