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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. 由于卤代烷基氨基容易水解且能与吡咯和吡咯的聚合物发生反应，所以用Adler方法不能得到目标卟啉。
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层析法测定丹参素和原儿茶醛的含量以控制通脉粉针剂质量。
The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials. 以丙酸和三光气为原料,用三光气法合成了纯度较高的丙酰氯。
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联聚硅氧烷树脂上的吸附行为。
The engineering feasibility of making propanal, propanoic acid, and propanol by high-pressure oxoprocess was reviewed. The productive suggestion was also proposed. 探讨了利用高压羰基合成装置生产丙醛，进而生产两酸、丙醇的可行性。并提出了吉化生产上述产品的建议。
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. 以二苯胺甲烷磺酸盐为催化剂,合成了丙酸异戊酯,考察了反应时间、催化剂用量、醇酸摩尔比等因素对酯化率的影响。
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. 秸秆醋液中所含的乙酸、丙酸、苯酚、甲酚、甲氧基酚、乙醇等成分均为有效的活性物质，具有抑菌、杀菌的作用。
Synthesis and Application of Propanoic Acid 丙酸的合成与应用
Keywords propanoic acid;butanone;haloform reaction; 丙酸;丁酮;卤仿反应;
2-amino-3-(3,4-dihydroxyphenyl) propanoic acid 左旋多巴
Propanoic acid, 4-methylphenyl ester; 名称丙酸-4-甲基苯(酚)酯;
Propanoic acid, 3-ethoxy-, ethyl ester; 名称 3-乙氧基丙酸乙酯;乙醇-3-乙氧基丙酸酯;
2 - (4 - fluorobenzylideneamino) propanoic acid 4-氟苯甲醛缩丙氨酸席夫碱
Propanoic acid, 2-hydroxy-, hexadecyl ester; 名称十六烷基乳酸酯;
Propanoic acid, 3-methoxy-, methyl ester; 3-甲氧基丙酸甲基酯;
Propanoic acid, 3-mercapto-, octyl ester; 名称 3-巯基丙酸辛基酯;
Propanoic acid, 2-methyl propyl ester; 名称丙基-2-甲基丙酸酯;
Propanoic acid, ethenyl ester, homopolymer;poly(vinyl propionate); 名称丙酸乙烯基酯单的均聚物;
Propanoic acid, 2-hydroxy-, homopolymer, dodecanoate; 名称 2-羟基丙酸均聚物十二烷酸酯;
Such is the case in pyrrole, thiophene, and furan. 吡咯,噻酚和呋喃的情况就是这样。