Citation: Mina Luo, Pengfei Zhu, Fu Chen, Maoqing Deng, Qilong Gan, Long Chen. Synthesis and Composition Determination of 2-Hydroxy-1-Naphthalene Formaldehyde o-Phenylenediamine Schiff Base and Its Copper(II) Complexes: An Introduction of a Comprehensive Chemical Experiment[J]. University Chemistry, ;2020, 35(4): 152-160. doi: 10.3866/PKU.DXHX201911051 shu

Synthesis and Composition Determination of 2-Hydroxy-1-Naphthalene Formaldehyde o-Phenylenediamine Schiff Base and Its Copper(II) Complexes: An Introduction of a Comprehensive Chemical Experiment

College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, P. R. China

Received Date: 25 November 2019

A comprehensive chemistry experiment was designed. In this article, the synthesis process of 2-hydroxy-1-naphthalene formaldehyde o-phenylenediamine Schiff base and its copper(II) complex was successfully optimized. The composition of the above complex was determined by chemical and instrumental analysis, while the structure was characterized by FTIR and ¹H NMR. All of the experimental results are excellent. In general, this experiment could make up for the shortage in teaching synthesis of organometallic coordination compounds. From this experiment, students could consolidate and improve their basic experimental skills such as reflux, purification and centrifugation. They could master the principle and method of the molar ratio method to determine the coordination number and stability constant of complexes. Meanwhile they could understand how to characterize the molecule structure by spectroscopy. It is beneficial for cultivating students' ability to comprehensively apply organic chemistry, inorganic chemistry, chemical analysis and instrumental analysis knowledge to solve specific problems. Besides, it is also helpful for students to understand the properties and research trends of the Schiff base and its metal complexes, stimulating students' enthusiasm for scientific research, cultivating a systematic scientific thinking and research ability.
- Schiff base,
- Organometallic complex,
- Complex composition,
- Comprehensive experiment
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沈阳化工大学材料科学与工程学院沈阳 110142