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Citation: Gao Dongmei, He Chunting, Zhang Tao, Du Zhenting. Progress in Syntheses of 6H-dibenzo[b,d] pyran-6-one and Its Derivatives[J]. Chemistry, ;2019, 82(8): 731-736. shu

Progress in Syntheses of 6H-dibenzo[b,d] pyran-6-one and Its Derivatives

1.
Yangling Vocational & Technical College, Yangling 712100;
2.
College of Science, Northwest A & F University, Yangling 712100

Received Date: 25 February 2019
Revised Date: 16 May 2019

6H-dibenzo[b,d]pyran-6-one compounds have received increasing attention from chemists due to their wide range of biological activities and fluorescent properties. The synthetic methods of 6H-dibenzo[b,d] pyran-6-one and its derivatives, including intramolecular cyclization forming pyran ring, C-H bond activation intramolecular cyclization, coupling reaction to form phenyl skeletons, through intramolecular lacotination of substituted biphenyl compounds, were reviewed. The advantages and disadvantages of all these synthetic methods were compared and discussed in detail. In the future, how to efficiently, economically and greenly synthesize 6H-dibenzo[b,d]pyran-6-one and its analogues containing specific substituents at specific positions is still a major issue in the field of natural product synthesis.
- 6H-dibenzo[b,d]pyran-6-one,
- C-H bond activation,
- intramolecular cyclization,
- Biphenyl
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