Citation: Surinder Berar, Urmila Berar, Satish C. Gupta, Ramesh C. Kamboj. Novel generation of 9H-furo[3,2-b]chromen-9-ones from (E)-3-hydroxy-2-styrylchromones by excited state intramolecular proton transfer[J]. Chinese Chemical Letters, ;2008, 19(7): 780-782. doi: 10.1016/j.cclet.2008.04.011 shu

Novel generation of 9H-furo[3,2-b]chromen-9-ones from (E)-3-hydroxy-2-styrylchromones by excited state intramolecular proton transfer

Department of Chemistry, Kurukshetra. University, Kurukshetra 136119, India

Received Date: 11 January 2008

Photocyclisation of substituted (E)-3-hydroxy-2-(1´-methyl-2´-phenylvinyl)-4-oxo-4H-1-benzopyrans to yield linear novel tricyclic 9H-furo[3,2-b]chromen-9-ones and angular fused tetracyclic xanthenones is described.
- 9H-Furo(3,2-b)chromen-9-one,
- Photocyclisation,
- Xanthenones
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