“optically active”造句，怎麼用optically active造句

5、Chiral synthesis can be achieved by taking advantage of natural or synthetic optically active compounds.

7、Several enzymatic methods, including enzyme catalyzed enantioselective synthesis and kinetic resolution, for the preparation of optically active cyanohydrins are reviewed.

9、This article introduces the application of hydrolases, oxidoreductases and their enzyme sources in the synthesis of optically active drugs. 29 references are presented.

11、When carries various chemical modifications on double helical molecular of optically active, we can always gain derivatives which have specific properties.

13、However, if optically active reagents are being used it would be important to avoid the pH range above 6, as at the higher pH range interconversion of the free compound of Formula I occurs.

1、Racemization is found with optically active substrates.

3、Racemization is found with optically active substrate substrates.

6、Alternatively, the compound of the invention may be prepared using optically active reactants.

10、As important choral intermediates, optically active alcohols were widely used in the production of pesticide and liquid crystals for their vital useful value, widely interesting have been aroused.

14、"The two enantiomers rotate polarized light through opposite angles, canceling each other out so that the racemic mixture has no optical activity. Racemization is the conversion of an optically active form of a compound into a racemic mixture; reversing this process is called resolution. "

4、Optically active polyamide-imide progress abroad was studied. Summarizes the synthesis of optically active polyamide-imide, solubility and thermal stability changes ment.

12、The method of using optically active phenylglycine butyl ester as resolution agent can obtain the higher yield, and it is easy to operate. So it is suitable for industrial production.

8、A new optically active monomer of 4(S)—2—Methyl—4—Methoxycarbony1—2—Oxazoline has been synthesized from L—serine.

2、Conversion of an optically active substance to a racemic form.