Some tips on 61326-44-1

Statistics shows that 1,1,2,2-Tetrakis(4-bromophenyl)ethene is playing an increasingly important role. we look forward to future research findings about 61326-44-1.

Related Products of 61326-44-1, These common heterocyclic compound, 61326-44-1, name is 1,1,2,2-Tetrakis(4-bromophenyl)ethene, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

TPE-4Br (130 mg, 0.2 mmol), Py-4BO (440 mg, 1.0 mmol), Pd(PPh3)4 (0.10 g, 0.08 mmol) andpotassium carbonate (553 mg, 4.0 mmol) in toluene (20 mL) and distilled water (7 mL) wereadded into a 200 mL Schlenk tube. The resultant mixture was refluxed for 3 days under argon,then extracted with dichloromethane. The combined organic extracts were dried overanhydrous Na2SO4 and concentrated by rotary evaporation. The crude product was purified bycolumn chromatography on silica gel using chloroform/petroleum ether (v/v=1/5) as eluent. Alight yellow solid was finally produced in the yield of 30percent (95 mg). 1H NMR (300 MHz, CDCl3,delta): 8.27 (s, 4H), 8.19 (s, 8H), 8.13 (s, 4H), 8.06 (s, 4H), 8.04 (s, 8H), 7.62 (t, 16H), 1.28 (s, 72H). 13CNMR (75Hz, CDCl3, delta): 148.7, 148.2, 143.1, 140.6, 139.5, 139.3, 131.7, 130.9, 130.7, 130.4, 129.9,129.5, 127.7, 127.6, 127.1, 123.1, 122.3, 122.0, 121.8, 121.0, 35.1, 31.9, 31.6, 29.6. MS (MALDI TOF),m/z: 1580.9053 ([M+], calcd for C112H116, 1580.9077). Anal. Calcd for C112H116: C, 92.61; H, 7.39.Found: C, 92.23; H, 7.47.

Statistics shows that 1,1,2,2-Tetrakis(4-bromophenyl)ethene is playing an increasingly important role. we look forward to future research findings about 61326-44-1.

Reference:
Article; Yang, Jie; Qin, Jianwen; Ren, Zichun; Peng, Qian; Xie, Guohua; Li, Zhen; Molecules; vol. 22; 12; (2017);,
Bromide – Wikipedia,
bromide – Wiktionary