Synthesis and properties of novel type I photosensitizer polycyclic amide

Kui Wang1, Tao Ye1, Haoyang Du1

  • 1Department of Organic Chemistry, College of Pharmacy, Harbin Medical University Harbin China guanjing@ems.hrbmu.edu.cn xiaolin_linfeng@126.com.

Nanoscale Advances
|July 13, 2023
PubMed

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Aryldiazonium Salts to Azo Dyes: Diazo Coupling01:11

Aryldiazonium Salts to Azo Dyes: Diazo Coupling

The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the...
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