Abstract

A number of catalytic synthetic reactions have been reported which play the important role in stereochemistry of compounds. The key to the success of this protocol was the generation of stereogenic centers in 1, 4-Dihydropyrimidinones (DHPMs) and the influence of catalysts on their configuration. Waste brick dust was found to be an effective catalyst, generating chiral DHPMs derivatives using aryl aldehyde, urea, and ethyl acetoacetate. This work mainly focuses on the stereochemistry of brick-dust catalyzed DHPMs derivatives. Discovery of brick dust catalyst associated with several benefits such as rapid clean reaction, simple, and ease work-up.

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