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- To control the quality of TPI, RP-HPLC was used to determine the content of propanoic acid and proto-catechuic aldehyde in it. 摘要利用反相高效液相層析法測定丹參素和原兒茶醛的含量以控制通脈粉針劑質量。
- The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials. 以丙酸和三光氣為原料,用三光氣法合成了純度較高的丙醯氯。
- The adsorption of formic acid, acetic acid, propanoic acid, pemanoic acid on basic polysiloxane resin was studied. 本文研究了甲酸、乙酸、丙酸和戊酸在三乙醇胺交聯聚硅氧烷樹脂上的吸附行為。
- The engineering feasibility of making propanal, propanoic acid, and propanol by high-pressure oxoprocess was reviewed. The productive suggestion was also proposed. 探討了利用高壓羰基合成裝置生產丙醛,進而生產兩酸、丙醇的可行性。並提出了吉化生產上述產品的建議。
- Due to the hydrolysis of halogenoalkylamino and reaction of halogenoalkyl and pyrrole and polypyrrole, it was impossible to obtain the desired substituted porphyrins using Adler method which used propanoic acid as solvent under reflux condition. 由於鹵代烷基氨基容易水解且能與吡咯和吡咯的聚合物發生反應,所以用Adler方法不能得到目標卟啉。
- The effect of different factors, such as reaction time, the amount of catalyst and the ratio of iso-amyl alcohol to propanoic acid on the yield of iso-amyl propionate were carefully studied. 以二苯胺甲烷磺酸鹽為催化劑,合成了丙酸異戊酯,考察了反應時間、催化劑用量、醇酸摩爾比等因素對酯化率的影響。
- The effective active compounds in straw vinegars such as acetic acid, propanoic acid, phenol, cresol, methoxyphenol, ethanol, etc. had the functions of bacteriostasis and sterilization. 秸稈醋液中所含的乙酸、丙酸、苯酚、甲酚、甲氧基酚、乙醇等成分均為有效的活性物質,具有抑菌、殺菌的作用。
- Synthesis and Application of Propanoic Acid 丙酸的合成與應用
- Keywords propanoic acid;butanone;haloform reaction; 丙酸;丁酮;鹵仿反應;
- 2-amino-3-(3,4-dihydroxyphenyl) propanoic acid 左旋多巴
- Propanoic acid, 4-methylphenyl ester; 名稱 丙酸-4-甲基苯(酚)酯;
- Propanoic acid, 3-ethoxy-, ethyl ester; 名稱 3-乙氧基丙酸乙酯;乙醇-3-乙氧基丙酸酯;
- 2 - (4 - fluorobenzylideneamino) propanoic acid 4-氟苯甲醛縮丙氨酸席夫鹼
- Propanoic acid, 2-hydroxy-, hexadecyl ester; 名稱 十六烷基乳酸酯;
- Propanoic acid, 3-methoxy-, methyl ester; 3-甲氧基丙酸甲基酯;
- Propanoic acid, 3-mercapto-, octyl ester; 名稱 3-巰基丙酸辛基酯;
- Propanoic acid, 2-methyl propyl ester; 名稱 丙基-2-甲基丙酸酯;
- Propanoic acid, ethenyl ester, homopolymer;poly(vinyl propionate); 名稱 丙酸乙烯基酯單的均聚物;
- Propanoic acid, 2-hydroxy-, homopolymer, dodecanoate; 名稱 2-羥基丙酸均聚物十二烷酸酯;
- Having a ring composed exclusively of carbon atoms, as benzene. 碳環的有一個僅由碳原子組成的環的,如苯