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Photoinduced molecular transformations. 100. Formation of furocoumarins and furochromones via a. beta.-scission of cyclobutanoxyl radicals generated from [2+ 2] …
H Suginome, CF Liu, S Seko…
Index: Journal of Organic Chemistry, , vol. 53, # 25 p. 5952 - 5959
... Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060, Japan Akio Furusaki Department of Chemistry, Faculty of ... (b) Weedon, A. C. In Synthetic Organic Photochemistry; Horspool, WM ... at 6 1.55 (ddd, J = 10.99, 10.63, and 9.16 Hz) and 2.51 (ddd, J = 10.99,9.16 ...
![(1R,2aR,8bR)-8b-hydroxy-1,2,2-trimethyl-1,2,2a,8b-tetrahydro-3H-cyclobuta[c]chromen-3-one Structure](https://image.chemsrc.com/caspic/489/116947-06-9.png)
![2,3,3-trimethyl-2H-furo[2,3-b]chromen-4(3H)-one Structure](https://image.chemsrc.com/caspic/411/31490-75-2.png)
![2,3,3-trimethyl-2H-furo[3,2-c]chromen-4-one Structure](https://image.chemsrc.com/caspic/449/31490-74-1.png)
![2,2,3-trimethyl-2,3-dihydro-4H-furo[3,2-c][1]benzopyran-4-one Structure](https://image.chemsrc.com/caspic/058/31581-57-4.png)