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stereochemistry造句
1. Stereochemistry deals with stereoisomers and with asymmetric synthesis. 2. The important role of stereochemistry of cyclic systems in organic Chemistry has been well established. 3. The structural formula, including relative and absolute stereochemistry, the molecular formula, and the relative molecular mass should be provided. 4. The something that is there has the stereochemistry of butterfly pheromones. 5. Their structures and some of the stereochemistry were elucidated by means of various modern spectroscopic techniques and chemical methods. 6. As stereochemistry in drug molecule govern it's biological activity, chirality is emerging as a key issue in pharmaceutical research. 7. The stereochemistry problems of fundamental organic chemistry are discussed. Some solutions for the problems are given. 8. The relative stereochemistry of the 1,10-double bond and that of the methoxyl, methyl, and acetoxy groups were determined by NOESY experiments and analyses of the coupling constants. 9. The constructed three-dimensional structure accords with the stereochemistry after validation. 10. Stereochemistry is one of the important and difficult contents in organic chemistry. 11. Furthermore, a new method that students participate in learning organic stereochemistry by looking, drawing and performing is recommended. 12. This reviews introduces the finding and sources, the isolation and determination methods , stereochemistry , derivatives, biochemistry and applications of (-)-HCA. 13. The present paper reviews the methods used in connection table for the presentation of stereochemistry, particularly for the chiral carbons and double bonds. 14. Part I is concluded by a detailed chapter on stereochemistry. 15. The organic groups can control and modify the structure of inorganic framework, for its rigidity in conjunct mode, flexibility in stereochemistry and strong capability of coordination. 16. Furthermore, X-ray single crystal structural analyses were performed for three adducts, whose structures and relative stereochemistry were confirmed. 17. Information such as the potential for isomerism, the identification of stereochemistry, or the potential for forming polymorphs should also be included. 18. For lactic acid has one asymmetric carbon atom, the mechanical, physical and biological properties of PLA are related to the stereochemistry of lactic acids. 19. As the chiral source of asymmetric induction, the chiral ligands control the procedure of stereochemistry in reaction. 20. Many chiral drugs may differ in their pharmacological activities due to the difference of stereochemistry.