Main applications of pyridine 4-toluenesulfonate_Kain Industrial Additives

background and overview[1] pyridine 4-methylbenzenesulfonate can be used as a pharmaceutical synthesis intermediate. apply[1-3] pyridine 4-methylbenzenesulfonate can be used as a pharmaceutical synthesis intermediate. examples of its application are as follows: 1) prepare 3-(3-fluorobenzyl)-4-(3-fluorobenzyloxy)benzaldehyde. this method first prepares 3-bromo-4-[(3-fluorobenzyl)oxy ] benzaldehyde and pyridinium 4-methylbenzenesulfonate, and then react 3-bromo-4-[(3-fluorobenzyl)oxy]benzaldehyde with pyridinium-4-methylbenzenesulfonate to form 2- (3-bromo-4-((3-fluorobenzyl)oxy)phenyl)-1,3-dioxolane, followed…