An Improved Large Scale Synthesis of the Schöllkopf Chiral Auxiliaries: (2R)- and (2S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine

This publication has 4 references indexed in Scilit:

• Comparative study of synthetic approaches to 1-arylmethylenepyrazino[2,1-b]quinazoline-3,6-diones
  Tetrahedron, 1998
• Stereoselective synthesis of α,α′-bridged bis(α-alanine) derivatives
  Tetrahedron, 1998
• (C) Means to Enhance Penetration: (4) Delivery systems for penetration enhancement of peptide and protein drugs: design considerations
  Advanced Drug Delivery Reviews, 1992
• Asymmetric synthesis of monosubstituted and .alpha.,.alpha.-disubstituted .alpha.-amino acids via diastereoselective glycine enolate alkylations
  Journal of the American Chemical Society, 1991