Adding a certain compound to certain chemical reactions, such as: 7335-27-5, name is Ethyl 4-chlorobenzoate, belongs to esters-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 7335-27-5, HPLC of Formula: C9H9ClO2
General procedure: A 5 mL absolute ethanol solution of hydrazine hydrate (80%) and Compound I (6 mmol) was refluxed for 4-6 h under severely stirring, the product being appeared as yellowish white solid. For purification of product, it was filtered and washed with 30 mL water and 30 mL ethanol pre-cooled by ice, and recrystallized from ethanol to yield the Compound II as white solid. 4-chlorobenzohydrazide (II-1): yield (91.3%). Melting point: 143.6-144.1 C. ESI-MS (m/z, [M+H]+) = 171.2.
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Reference:
Article; Liu, Lizeng; Meng, Xianfang; Li, Wei; Zhou, Xueqin; Bai, Zhengchen; Liu, Dongzhi; Lv, Yunrong; Li, Rui-Hong; Dyes and Pigments; vol. 108; (2014); p. 32 – 40;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics