Stereochemistry deals with stereoisomers and with asymmetric synthesis.

立体化学研究立体异构体以及不对称合成法.

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The progress of the optical activity and stereochemistry of bile pigments in recent 20 years is reviewed.

本文综述了20年来胆色素光学活性及其立体化学的研究进展,著重讨论了分子内和分子间相互作用对色素构象的选择性及其光活性的影响.

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The effect of solvents and steric hindrance on the stereochemistry of cyclization is investigated in details.

并且考察了在环合反应中溶剂和空间位阻对立体选择性的影响.

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