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单词 Benzaldehyde
例句
1. Natural benzaldehyde is prepared by hydrolysis cassia leaf oil.
2. This invention discloses a method to prepare benzaldehyde by ammonia - catalyzed continuous cinnamamide hydrolysis in near - critical media.
3. Benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.
4. The conversion of benzaldehyde and yield of benzylidene acetone were influenced by reaction time, temperature and initial water volume.
5. Indirect electrooxidation of toluene to benzaldehyde simultaneously in the cathodic and anodic compartment of a cell has been studied.
6. It has been completed successfully to synthesize benzaldehyde via ozonization and reduction reaction, which makes use of large quantity cinnamic aldehyde contained in natural cinnamon oils.
7. The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.
8. Dibenzalpenlpentaerythritol was directly synthesized from benzaldehyde and pentaerythritol under microwave irradiation with sulfates used as catalyst.
9. Jasminaldehyde was synthesized by the aldol condensation of benzaldehyde with heptaldehyde under the condition of PEG-400 as phase transfer catalyst, KOH as base catalyst.
10. Benzaldehyde was prepared by basic hydrolysis of cassia leaf oil using phase transfer catalyst.
11. A new pesticide intermediate 3-Bromobenzaldehyde was prepared from benzaldehyde and bromine with anhydrous alchlor as the catalyst in 1,2-dichloroethane solvent.
12. Amyl cinnamaldehyde was synthesized from benzaldehyde and n-heptanal by aldol condensation with catalyst potassium hydroxide in solvent ethylene glycol.
12.
13. They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.
14. Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.
15. But amygdalin reacts with an enzyme in the almond to produce glucose and two very characteristic compounds, benzaldehyde and prussic acid.
16. The kinetics of hydrolysis of oxazolidine pro-drugs derived from ephedrine of pseudoephedrine and substituted benzaldehyde were studied.
17. Major VFC of the flowers were identified as 2-pentanol, 2-heptanol, benzaldehyde, linalool and its oxides, acetophenone, geraniol, nerol and 2-phenylethanol.
18. The starting reagent, p-trifluoromethylaniline, was subjected to diazotization, oximation, and hydrolyzationto synthesize p-trifluoromethyl benzaldehyde, with a total yield of 35.
19. The phenytoin sodium is prepared by means of condensation, oxidation and ringclosure condensation from benzaldehyde.
20. In a 250-cc. three-necked, round-bottomed flask provided with a mechanical stirrer is placed 21.2g. (0.2 mole) of benzaldehyde , and 18.6 g. (0.2 mole) of aniline is added with rapid stirring.
21. The condensed polynuclear aromatic(COPNA) resin is synthesized using coal tar pitch as monomer and p-methyl benzaldehyde(PMB) as cross-linking agent in the presence ofp-toluene sulfonic acid.
22. RESULTS A compound was isolated and its structure was identified by nuclear magnetic resonance spectroscopy and mass spectrometry as 4-hydroxy-3-methoxy benzaldehyde.
23. This paper introduced the preparation of a-amyl cinnamaldehyde via aldol condensation of n-heptanal and benzaldehyde.
24. The paper develops 2 step reaction of the new path of synthesising vanillin - one - bromate of 4 - hydrox - benzaldehyde.
25. The bitter almond contains amygdalin. Acid or enzyme can decompose amygdalin to prussic acid and benzaldehyde. Prussic acid is a poisonous substance.
26. A series of industrial catalysts for hydrogenation of acid - free benzaldehyde were prepared by co-precipitation method.
27. Conclusion: The main constituents in the essential oil from Clerodendrum bungei are Linalool, 1-Octen-3-ol, 1-Hexanol, 3-Oectanone, Benzaldehyde.
28. The promotion action of ionic liquid as an accelerant in synthesizing benzaldehyde ethanediol acetal and benzaldehyde propanediol acetal was studied.
29. A asymmetrically substituted hexane (1) was synthesized via a one-pot reaction of benzaldehyde and acetylbenzene.
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