benzyl造句
1. The initiator was potassium benzyl alcoholate.
2. The coker gas oil was refined by benzyl alcohol extraction.
3. The Benzyl acetate was prepared from benzyl chloride and sodium acetate by phase transfer catalysis.
4. The invention discloses a benzyl piperidine compound with the following structural formula and a preparation method and application thereof.
5. With sodium cinnamate and benzyl chloride as raw material, diethylamine as catalyst, benzyl cinnamate was synthesized directly under normal pressure and microwave irradiation.
6. The synthesis of benzyl chloroformate was studied And its applications in poly peptide synthesis was introduced.
7. In the formula (1), R1 represents benzyl group or phenoxy methyl and M represents monovalent cation.
8. Firstly, Polystyrene-supported benzyl selenide has been prepared from 1% cross-linked polystyrene resin.
9. Under the optimum reaction conditions, the yield of benzyl propionate could reach 87.9 %.
10. Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.
11. The synthesis method of benzyl arsonic acid is simple and it is less expensive than mixed tolu...
12. The focal development of benzyl chloride carbonylation on synthesis process and phenylacetic ester on downstreams products was put forward, and the export of phenylacetate should be expanded.
13. Benotrichloride, benzyl chloride, chloroform, chloromethane, chlorobenzene, 1,4-dichlorobenzene, hexachlorobenzene, pentachlorobenzene, 1,2,4,5-tetrachloroethylene, toluene, carbon tetrachloride.
14. The flotation experimental results showed that methyl benzyl arsonic acid is an effective collector for wolframite and cassiterite slime.
15. Using phenol and benzyl chloride as raw materials and N, N-dimethyl formamide(DMF) as solvent, benzyl phenyl ether was synthesized under microwave radiation.
16. The experiment showed that this separation method is feasible and benzyl benzoate with purity about 90% and fluorenone products with purity of more than 85% were obtained.
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17. OBJECT To search method of synthesising ether of salvianolic acid A benzyl ester as danshensu derivative.
18. Various factors that affect the condensation are discussed. The results show that the yield of 4-Nitrophenyl Benzyl Ether is 84.9 %, and the yield of 2,4-Dinitrophenyl Ethyl Ether is 72.3 %.
19. Lack it, the active of the amine of methylic benzyl nitric acid that causes cancer is strengthened, make its send cancerous action to strengthen.
20. Atmospheric pressure synthesis of ortho-nitroanisole from o-nitrochlorobenzene, methanol and sodium hydroxide catalysed by phase transfer catalyst benzyl tributyl ammonium chloride was studied.
21. However, commonly used thiols, such asm ethanethiol , ethanethiol and benzyl mercaptan, having toxicity and a foul smell, can lead to environmental and safety problems.
22. Phosphotungstic acid and its salts were found to be efficient environmentally friendly catalysts for the synthesis of benzyl propionate.
23. L-Asp6-Ibuprofen was prepared by mixture anhydrides methods and DCC/HOBt methods. The benzyl group of the product was deprotected by catalytic hydrogenation.
24. Effects of solvent, sodium sulfide dosage, reaction time and reaction temperature in syn thesis of dibenzyl sulfide from benzyl chloride with sodium sulfide without catalyst were studied.
25. METHODS: The target compound was synthesized from N - benzyl protected aminoacetophenone through hydrogenation, benzoylation and reduction.
26. With CdS powder as photolysis catalyst, the oxidation of benzyl alcohol derivatives benzhydrol, benzyl alcohol, benzoin) were investigated.
27. The effects of catalyst preparation conditions and reaction parameters on the performance of the catalyst for the benzene benzylation with benzyl chloride were investigated.
28. A new route for preparation and hydrolyzation of octa - O - benzyl sucrose was described in this paper.
29. The glycosidic aroma precursors in leaves of Zhuye are mainly consisted of glycosides of cis 3 hexenol, linalool and its oxides, methyl salicylate, geraniol, benzyl alcohol and phenylethanol.
30. Benzyl benzoate was synthesized by the esterification of sodium benzoate and benzyl chloride in the presence of water and triethylamine which was taken as the phase transfer catalyst.
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