allylic造句
1. Thus, the reaction with aryl-substituted allylic carbonates is regioselective.
2. For most of the enones and allylic alcohols, the reaction could be completed within several hours with good yields.
3. In addition, a plausible reaction mechanism for the allylic oxidation of cholesterol catalyzed by NHPI and transition metal salts is shown in the paper.
4. The isomeric branched carbonate also produced the branched allylic ether selectively (entry 10).
5. The turnover-limiting step for the asymmetric allylic oxidation is the formation of chiral catalyst-allyl perbenzoate complexes.
6. A series of allylic alcohols were treated with tosyl isocyanate to afford allylic N-tosyl carbamates as the substrates. To optimize the reaction conditions, the main factors were widely discussed.
7. The chlorination in allylic position of olefins is an important transformation in organic synthesis.
8. The allylic oxidation of cyclohexene was the dominate reaction, and cyclohexene-2-one was obtained as the major product.
9. It afforded a practical method to synthesize chiral allylic amines.
10. The allylic transfer reaction of 6-methyl-6-phenyl-oct-7-ene-1,5-diol with various aliphatic aldehydes and aromatic aldehydes was studied, and the influence of solvent was investigated.
11. Allylic amine derivatives are inexpensive to prepare and are very stable.
12. Phosphine-catalyzed annulation reactions of allylic carbonates with activated olefins or imines have been attracted much research interest from organic synthetic chemists.
13. An Efficient NH2SO3H-catalyzed direct alkylation of active methylene compounds with benzylic and allylic alcohols has been reported.
14. Secondly, for the first time, a three-component olefination reaction between allylic carbonate, phosphine and aldehyde has been realized.
15. Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration.
16. This paper reviewed studies on the improvement of bismaleimide resins by modifying with allylic compounds during recent 8 years.
17. This paper laid emphasis on the study of the allylic oxidation and halogenation.
18. The new methods allow a wide range of poly analogs to be obtained in few steps, as the allylic precursors are readily available.
19. Chlorination occurs adjacent to the isoprene units to form allylic chlorines.
20. Optically active 3,4-diazaphospholane ligands and their application in asymmetric hydroformylation and allylic alkylation reactions.
21. An advantage of the new methods is the utilization of easily accessible allylic amine derivatives as monomer precursors.