反应详情

The target compound (28.3 g) was obtained as colorless crystals by carrying out the reaction and the post-treatment according to Reference example 20(a) using 4-t-butylphenoxyacetic acid (17.0 g), oxalyl chloride (17.8 ml), (S)-4-benzyl-2-oxazolidinone (14.2 g) and a solution of n-butyl lithium in hexane (1.61N, 50.4 ml).

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