An Improved Approach for the Synthesis of Α,Α-Dialkyl Glycine Derivatives by the Ugi–Passerini Reactionelectronic Supplementary Information (Esi) Available: Spectroscopic Data for Compounds 1-5. See Http://Www.rsc.org/Suppdata/Ob/B2/B212473B/
                        AuthID
P-00H-JR8
                
    P-00H-JR8
 
    
                     
                    