Halting the tumor initiation process by targeting the inhibition of the carcinogens metabolic activators (CYP), the induction of the carcinogen detoxification enzymes (glutathione-S-transferases, GSTs), and the induction of antioxidant activity is an effective strategy. Since several dihydropyrimidine derivatives (Biginelli compounds) are therapeutically active, the present study aimed to synth...

Biginelli reactions were well catalyzed on mesoporous silica MCM-41 (M41) whose activity was much greater than that of amorphous silica. Octane was the most suitable among 6 kinds of solvents examined. The addition of metal ions on M41 enhanced the catalytic activity in the order Al > Ti > Fe = In. Al-planted M41s with Si/Al ratios of 45-35 showed the highest catalytic activity and could be use...

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