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Benzoic Acid To Phenylacetic Acid
苯甲酸转苯乙酸之法
苯甲酸者,欲转之成苯乙酸,其法有诸。可先使苯甲酸与氢化铝锂遇于适宜之境,此氢化铝锂性活泼,能将苯甲酸之羧基还为醇基,得苯甲醇。
继而取所成之苯甲醇,以卤化剂如氢卤酸或卤化磷处之,使醇羟基易为卤原子,得卤代苄。
再将卤代苄与氰化钠等氰化试剂共置,依亲核取代之理,卤原子为氰基所替,得苯乙腈。
末以酸或碱催化,使苯乙腈水解,羧基遂成,终得苯乙酸。此数法循化学之理,依步骤而进,可成苯甲酸至苯乙酸之转也 。
+8615365186327
sales3@ascent-chem.com
+8615365186327
James Jiang
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