135366-51-7Relevant academic research and scientific papers
Photosynthesis of furocoumarin- and furochromone-types potential intercalative alkylating and oxidizing agents of dna through photooxidations using γ-ray
Elgendy,Ramadan,Fadaly,Hammouda
, p. 434 - 437 (2007/10/03)
The photooxygenation of imperatorin (1a) under γ-ray irradiation afforded the hydroperoxides 2a and 3a. Similarly, the photooxygenation of alloimperatorin (1b) gave the hydroperoxide (2b). Visnagin (1c) was also photooxygenated to give the hydroperoxide (2c) as sole product. On the other hand, the photooxygenation of khellin (1d) gave the endoperoxide (2d) as a sole product. The epoxidation of imperatorin (1a) using hydrogen peroxide under γ-ray irradiation afforded the epoxide 5a. Similarly visnagin (1c) and khellin (1d) were epoxidized to give the epoxides 5c and 5d.
Photooxygenation of Some Potentially Skin-Photosensitizing Furocoumarins: Imperatorin, Alloimperatorin and Its Methyl Ester and Acetate Derivatives
Abou-Elzahab, Mohamed M.,Adam, Waldemar,Saha-Moeller, Chantu R.
, p. 967 - 970 (2007/10/02)
The photooxygenation of imperatorin (1a) afforded the corresponding allylic hydroperoxides 2a and 3a in very good yields.Similarly, the photooxygenation of alloimperatorin derivatives 1c, d gave the allylic hydroperoxides 2c, d and 3c, d in quantitative yields.On the other hand, on photooxygenation of alloimperatorin (1b) exclusively the dienone hydroperoxide 4b was obtained.When the reaction time was prolonged, the bis(hydroperoxide) 5b was also formed by successive photooxygenation of 4b. Key Words: Photooxygenation / Hydroperoxides, allylic / Singlet oxygen / Furocoumarins / Imperatorin / Alloimperatorin
