Three synthetic routes to prepare levocetirizine and its intermediates through chemical resolution and chiral induction were studied in the paper.
论文通过三条路线，经化学拆分法或手性诱导合成法，对左旋西替利嗪及其中间体的合成进行了研究。
As the chiral source of asymmetric induction, the chiral ligands control the procedure of stereochemistry in reaction.
在手性催化反应中，手性配体是不对称诱导的手性源，控制着反应的立体化学过程。
The chemical methods include chiral auxiliary's induction, chiral oxidant'soxidation, chiral resolution, and enantioselective catalysis.
化学方法包括手性辅剂诱导、手性氧化剂氧化、手性拆分和不对称催化等。
The chemical methods include chiral auxiliary's induction, chiral oxidant'soxidation, chiral resolution, and enantioselective catalysis.
化学方法包括手性辅剂诱导、手性氧化剂氧化、手性拆分和不对称催化等。
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