Article ID Journal Published Year Pages File Type
5218158 Tetrahedron 2012 5 Pages PDF
Abstract

N-Benzyl-4-aryl-azetidinones undergo ring opening with triflic acid to form N-benzyl-cinnamamides, which either undergo cyclisation to give 5-aryl-benzazepin-3-ones or N-debenzylation to give cinnamamides.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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The acid-mediated ring opening/cyclisation reaction of N-benzyl-α-aryl-azetidinones
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