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Citation: Yihao Zhao, Jitian Rao, Jie Han. Synthesis and Photochromic Properties of 3,3-Diphenyl-3H-Naphthopyran: Design and Teaching Practice of a Comprehensive Organic Experiment[J]. University Chemistry, ;2024, 39(10): 149-155. doi: 10.3866/PKU.DXHX202402050 shu

Synthesis and Photochromic Properties of 3,3-Diphenyl-3H-Naphthopyran: Design and Teaching Practice of a Comprehensive Organic Experiment

National Demonstration Center for Experimental Chemistry Education, College of Chemistry, Nankai University, Tianjin 300071, China

Received Date: 23 February 2024
Revised Date: 27 March 2024

A comprehensive organic experiment, focusing on the synthesis and photochromic properties of 3,3-diphenyl-3H-benzo[f]chromene (3H-NP), was developed by incorporating Claisen rearrangement, photochemical reactions, and solid-phase synthesis. The product was synthesized using both liquid-phase and solid-phase methods, and the impact of different synthetic approaches on yield was compared. The photochromic properties of the product were investigated using UV-Vis absorption spectroscopy. By integrating the scientific research process into teaching practice, this experiment aims to foster scientific literacy and innovation skills among undergraduate students.
- 3,3-Diphenyl-3H-Naphthopyran,
- Solid-phase synthesis,
- Photochromism,
- Claisen rearrangement,
- Green chemistry
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