Synthesis of 4-membered Ring Alkaloid Analogues via Intramolecular [2+2] Cycloaddition Involving Keteniminium Salt Intermediates
Access to 3-Aminobenzothiophenes and 3-Aminothiophenes Fused to 5-membered Heteroaromatic Rings Through 6π-Electrocyclization Reaction of Keteniminium Salts
Efficient Access to Functionalized Cyclobutanone Derivatives Using Cyclobuteniminium Salts as Highly Reactive Michael Acceptors
Cycloaddition of Keteniminium with Terminal Alkynes toward Cyclobuteniminium and Their Use in Diels–Alder Reactions
Synthesis of Cyclobuteniminium Salts Derived from Aldo-Keteniminium Salts and Study of Their Reactivity in Diels–Alder Reaction
