例句與造句

1. Enantioselectivity issues associated with the use of BH 3 as the reducing agent for the CBS reduction have been reported.
2. The CBS Reduction has since been utilized by organic chemists as a reliable method for the asymmetric reduction of achiral ketones.
3. The CBS reduction has also been shown to tolerate the presence of heteroatoms as in ketone "'13 "', which is capable of coordinating to the borane.
4. Well-known carbonyl reductions in asymmetric synthesis are the Noyori asymmetric hydrogenation ( beta-ketoester reduction / Ru / BINAP ) and the CBS reduction ( BH 3, proline derived chiral catalyst ).
5. First, in the case of the diaryl system "'9 "', relatively high stereoselectively is achieved despite the isosteric nature of the ketone substituents, suggesting that electronics in addition to sterics may play a role in the stereoselectivity of the CBS reduction.
6. It's difficult to find cbs reduction in a sentence. 用cbs reduction造句挺難的