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ChemicalBook CAS DataBase List 2-(4-Biphenylyl)-4,6-dichloro-1,3,5-triazine

2-(4-Biphenylyl)-4,6-dichloro-1,3,5-triazine synthesis

6synthesis methods
-

Yield:10202-45-6 85.5%

Reaction Conditions:

in tetrahydrofuran at 5 - 20; for 2 h;

Steps:

1.2; 2.2; 3.2; 4.2 Example 1:

first step,In a 250ml four-neck bottle,First add 9.22 g (0.1mol) cyanuric chloride,80 g of anhydrous THF, stir into a homogeneous suspension,The control temperature is 5 ~ 10 ,The total dropwise content is 0.09 mol,A solution of {[1,1'-biphenyl] -4-yl} (bromo) magnesium in a concentration of 0.5mol / L,After the dropwise addition was completed, the temperature was gradually raised to 20 ° C and maintained for 2 h.After most of the THF was distilled off, it was quenched by adding 10 ml of concentrated hydrochloric acid.Then add 100 ml of water, evaporate the remaining THF, and filter.Gives 2 - {[1,1'-biphenyl] -4-yl} -4,6-dichloro-1,3,5-triazine,The yield was 85.5%.

References:

CN110498775,2019,A Location in patent:Paragraph 0019; 0021; 0023; 0025

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