N‐Benzyl‐N‐methoxymethyl‐N‐(trimethylsilyl)methylamine as an Azomethine Ylide Equivalent: 2,6‐dioxo‐1‐phenyl‐4‐benzyl‐1,4‐diazabicyclo[3.3.0]octane

N-benzyl-N-methoxymethyl-N-(trimethylsilyl)methylamine as an azomethine ylide equivalent: 2,6-dioxo-1-phenyl-4-benzyl-1,4-diazabicyclo[3.3.0]octane intermediate: N-benzyl-N-(trimethylsilyl)methylamine intermediate: N-benzyl-N-methoxymethyl-N-(trimethylsilyl)methylamine product: 2,6-dioxo-1-phenyl-4-benzyl-1,4-diazabicyclo[3.3.0]octane Keywords: alkylation, N-alkylation; annulation, heterocyclic-[5]; cyclization, cycloaddition; acetonitrile; benzylamine; sonicator; ultrasound catalysis