期刊论文详细信息
Green Chemistry Letters and Reviews | |
A green synthesis of thieno[2,3-c]xanthen-6-ones through the tandem photochemical sigmatropic shift and cyclization | |
Pooja Jindal1  | |
关键词: thieno[2; 3-c]xanthen-6-one; 3-propynyloxychromenone; photoirradiation; sigmatropic shift; | |
DOI : 10.1080/17518253.2014.898800 | |
学科分类:化学(综合) | |
来源: Taylor & Francis | |
【 摘 要 】
A green and clean route for the synthesis of 5-hydroxy-4-methyl-6H-thieno[2,3-c]xanthen-6-ones (2) has been developed by the photoirradiation of 3-(prop-2-ynyloxy)-2-(thiophen-3-yl)-4H-chromen-4-ones (1). This photoreaction of the 3-propynyloxychromenones being observed for the first time is very interesting and appears to be the result of a tandem sigmatropic shift and cyclization. The structure of 2 has been determined by the spectroscopic (Fourier transform infrared [FTIR], nuclear magnetic resonance [NMR], and mass) and single crystal X-ray crystallographic studies.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201901218615249ZK.pdf | 526KB | download |