Adding a certain compound to certain chemical reactions, such as: 22385-77-9, name is 1-Bromo-3,5-di-tert-butylbenzene, belongs to bromides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 22385-77-9, HPLC of Formula: C14H21Br
2-(3,5-Di-t-butylphenyl)benz[f]indene (Ligand J) Benz[f]indene (10.8 g, 0.065 mole) was dissolved in 100 mL of dimethylformamide. 1-Bromo-3,5-di-t-butylbenzene (14 g, 0.052 mole) was added along with palladium acetate (0.3 g), tri-o-tolylphosphine (0.8 g), and triethyl amine (11.0 g). The solution was heated to 60 C for 3 days. The solution was cooled and washed with 1 N HCl and by saturated sodium bicarbonate. The product was found to be difficult to separate from the residual tri-o-tolylphosphine. After purifying by passing through silica with hexanes three times, and recrystallization from ethanol, followed by three recrystallizations from hexanes, it yielded 5.8 g of 2-(3,5-di-t-butylphenyl)benz[f]indene (26% yield). 1H-NMR (CDCl3, 300 MHz) delta 7.95-7.77 (m, 4H); 7.52-7.37 (m, 5H); 7.23 (s, 1H); 3.99 (s, 2H); 1.43 (s, 18H).
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Reference:
Patent; BP Corporation North America Inc.; EP1157047; (2003); B1;,
Bromide – Wikipedia,
bromide – Wiktionary