propionic anhydride
英
美 [ˌproʊpiˈɑnɪk ænˈhaɪdrɪd]
网络 丙酸酐; 丙酐
双语例句
- Butyl propionate from propionic anhydride and n-butanol using quaternary ammonium salt as a catalyst was synthesized.
以季铵盐为催化剂，以丙酸酐与丁醇为原料，制备丙酸丁酯。 - The acylation of cyclohexanol with propionic anhydride was studied by using iodine catalyst. The effects of different factors such as reaction time, the mole ratio of cyclohexanol to propionic anhydride, the mass of catalyst on the yield of cyclohexyl propionate were investigated.
以碘为催化剂，对环己醇与丙酸酐之间的酰化反应进行了研究，考察了反应时间、酐醇摩尔比、催化剂质量对丙酸环己酯收率的影响。 - All these drawbacks, however, could be effectively overcome in a semi batch reaction system into which propionic anhydride was continuously fed.
然而，在连续流加丙酸酐的半批式反应系统中，所有这些缺点均可有效地克服。 - A sulfonated polystyrene ( SsPSH) was prepared in cyclohexane with propionic anhydride and sulfuric acid by a novel solid-liquid heterogeneous phase sulphonation process.
以环己烷为溶剂，浓硫酸和丙酸酐为磺化剂，采用非均相磺化方法，在少量分散剂作用下，制备了不同磺化度的磺化聚苯乙烯（SsPSH）； - Mangiferin as original compound, H+ as catalyst, anhydride as solvent, mangiferin respectively reacted with acetic anhydride, propionic anhydride and butyric anhydride to produce esterified-derivatives.
化学合成。以芒果苷为起始化合物，以酸酐为溶剂，以H+为催化剂，使芒果苷分别与乙酸酐、丙酸酐和丁酸酐反应，生成芒果苷酯化衍生物。