Continuously updated synthesis method about 71759-89-2

According to the analysis of related databases, 71759-89-2, the application of this compound in the production field has become more and more popular.

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 71759-89-2 as follows. Recommanded Product: 5-Iodo-1H-imidazole

A mixture of 16 (150 mg, 0. 298 mmol), 4-IODOIMIDAZOLE (86.7 mg, 0.447 mmol), dichlorobis (triphenylphosphine) palladium (II) (20.9 mg, 0.0298 mmol), LiCl (37.9 mg, 0. 894 MMOL) 9 M AQ. NA2CO3 (0.75 mL, 0.75 mmol) in toluene (1.8 ML) and EtOH (1. 8 ML) was microwaved at 120 C for 15 min. The reaction mixture was cooled, brine (3 mL) was added and the aqueous layer extracted with ethyl acetate (3 X 5 ML). Sorbent (HM-N, Jones Chromatography) was added, the solvent evaporated and the product purified by silicagel chromatography using MEOH : CH2CL2 (3: 97) (gradient elution) to give product 17 as A brown foam (111 mg, 84%); 1H NMR (400 MHz, CDCl3) 62. 96 (s, 6H), 6.77 (d, J = 8. 8 Hz, 2H), 7.48-7. 35 (m, 5H), 7.52 (t, J = 7. 6 Hz, 1H), 7.81 (s, 1H), 7.99 (s, 1H), 8. 11 (d, J = 7.5 Hz, 2H), 8. 27 (d, J = 2.0 Hz, 1H), 8.61 (d, J = 2. 1 HZ, 1H).

According to the analysis of related databases, 71759-89-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; EISAI LONDON RESEARCH LABORATORIES LIMITED; WO2004/78756; (2004); A2;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem