
n. [有化] *********化(作用)
Methods: Rutin was utilized as the starting material. The target compounds were produced via benzoylation, hydrolysis, glycosidation and deproteination.
方法:以蘆丁為原料,經*********化,水解,糖苷縮合和脫保護合成目标化合物。
The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite, for example, number of exchange times on the benzoylation of toluene were stu***d.
并考察了HZ - 1沸石交換次數等制備條件和催化劑用量對甲苯的*********化反應的影響。
The amino groups of the gelatin are the amenable sites for modification in aqueous solution. Benzoylation of the gelatin with pathalic anhydride can change the solubility.
通過明膠活潑氨基的酰化反應,可以接入憎水性的芳基改變明膠的水溶性;
The position and sequence of benzoylation in tannin were stu***d by the analysis of benzoylated (-) epicatechin derivatives. The position of hydroxyl groups which react with isocya…
通過對(-)-表兒茶素的*********化物的分析,研究了單甯的*********化位置與次序,從而比較合理地說明了與*********酯反應的羟基的位置。
苯甲酰化(Benzoylation)是一種有機化學反應,指在化合物中引入苯甲酰基(C₆H₅CO-基團)的過程。該反應通常通過苯甲酰氯(C₆H₅COCl)或其他苯甲酰化試劑與含有活潑氫的官能團(如羟基、氨基)發生取代或加成反應完成。例如,在堿性條件下,苯甲酰氯與醇反應生成苯甲酸酯,反應式可表示為: $$ text{ROH} + text{C}_6text{H}_5text{COCl} rightarrow text{ROC(O)C}_6text{H}_5 + text{HCl} $$
在有機合成中,苯甲酰化常用于保護活性基團或改變分子極性。例如,藥物化學中通過苯甲酰化保護胺基以避免副反應(來源:ACS Publications)。該反應也廣泛應用于材料科學,如合成聚合物改性劑(來源:ScienceDirect)。此外,天然産物研究中,苯甲酰化可用于增強化合物的穩定性以便于分離(來源:PubMed)。
Benzoylation(苯甲酰化作用)是化學中的一種酰化反應,指将苯甲酰基(C₆H₅CO—)引入有機化合物的過程。以下是詳細解釋:
以苯甲酰氯(C₆H₅COCl)與醇(R-OH)的反應為例:
$$
text{R-OH} + text{C}_6text{H}_5text{COCl} rightarrow text{R-O-CO-C}_6text{H}_5 + text{HCl}
$$
此反應需在堿性條件(如吡啶)下進行,以中和生成的HCl。
如需進一步了解具體反應機制或應用案例,可參考化學合成類文獻或教材。
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