Ene reaction of the active imino group. A novel synthesis of α-amino-acids
Abstract
The thermal (120 °C) and catalytic (SnCl4,BF3, and AlCl3) ene addition reactions of butyl N-(p-tolylsulphonyl)-iminoacetate with alkenes give adducts which are readily convertible into,γδ-unsaturated α-amino-acids.