Adding a certain compound to certain chemical reactions, such as: 25309-64-2, name is 1-Ethyl-4-iodobenzene, belongs to iodides-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 25309-64-2, Recommanded Product: 1-Ethyl-4-iodobenzene
Step-1: Synthesis of tert-butyl (Z)-(2-(4-(2-(4-ethylphenyl)-l-(4-hydroxyphenyl)but-l-en-l- yl)phenoxy )ethyl)carbamate To a stirred solution of tert-butyl (E)-(2-(4-(l-(4-hydroxyphenyl)-2-(4,4,5,5-tetramethyl- l ,3,2-dioxaborolan-2-yl)but-l-en-l-yl)phenoxy)ethyl)carbamate (1.3 g, 2.55 mmol, Example- 46, Step-1) in 2-methyl THF (15 mL), l-iodo-4-ethylbenzene (0.651 mg, 2.8 mmol), 4M aqueous KOH (2 mL) and Pd(PPh3)2Cl2 (89 mg, 0.127 mmol) were added and the mixture was degassed with nitrogen for 15 min and heated at 85 C for 3 h. Upon completion, the reaction mixture was diluted with EtOAc. The organic layer was washed with water followed by brine, dried over anhydrous sodium sulphate, filtered and concentrated under reduced pressure. The crude product was purified by silica gel chromatography (2:8 EtOAc in n- hexane) to give title compound (0.5 g, 40%).
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