250285-32-6, 1,3-Bis(2,6-diisopropylphenyl)imidazolium chloride is a chiral-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
General procedure: Under an N2 atmosphere, the mixture of imidazolium salts 1 (1.1 mmol), benzoxazole or benzothiazole (2.0 mmol), PdCl2 (1.0 mmol) and K2CO3 (1.1 mmol) was stirred in anhydrous THF (10 mL) under reflux for 16 h. After cooling, filtration and evaporation,the residue was purified by preparative TLC on silica gelplates eluting with CH2Cl2 to afford the corresponding N-heterocyclic carbene-palladium(II) complexes 3a-d. Complex (3a): 458.4 mg, 67% yield, orange solids. mp:139-142 C. 1H NMR (400 MHz, CDCl3): delta 8.30 (s, 1H, OCH]N), 8.02-8.00 (m, 1H, ArH), 7.51 (t, J 7.8 Hz, 2H, ArH), 7.40-7.36 (m, 5H,ArH), 7.30-7.23 (m, 2H, ArH), 7.16 (s, 2H, NCH ), 3.25-3.15 (m, 4H,CH(CH3)2), 1.49 (d, J 6.6 Hz, 12H, CH3CHCH3), 1.13 (d, J 6.9 Hz,12H, CH3CHCH3). 13C NMR (100 MHz, CDCl3): delta 156.5 (Pd-Ccarbene), 153.5, 148.4, 145.9, 134.1, 129.3, 125.3, 125.1, 124.0, 123.7, 123.0, 120.5, 27.8, 25.4, 22.1. IR (KBr, cm-1): y 3122, 3091, 2965, 2927,2866, 1593, 1529, 1454, 1414, 1382, 1348, 1137, 800, 756, 708. Anal.Calcd. for C34H41Cl2N3OPd: C, 59.61; H, 6.03; N, 6.13. Found: C,59.58; H, 6.08; N, 6.09%.
The synthetic route of 250285-32-6 has been constantly updated, and we look forward to future research findings.
Reference£º
Article; Wang, Tao; Xie, Huanping; Liu, Lantao; Zhao, Wen-Xian; Journal of Organometallic Chemistry; vol. 804; (2016); p. 73 – 79;,
Chiral Catalysts
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