Title of article :
New chiral titanium complexes for enantioselective reductive cyclizations of diimines to trans-2,3-diarylpiperazines
Author/Authors :
Vairaprakash، نويسنده , , Pothiappan and Periasamy، نويسنده , , Mariappan، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2008
Abstract :
Enantioselective intramolecular reductive coupling of diimines by chiral titanium complexes, prepared using a titanium(IV) reagent and hemisalen ligands derived from chiral β-amino alcohols, gives trans-2,3-diarylpiperazines in up to 97% ee.
Keywords :
Enantioselective reductive coupling , Hemisalen ligand , Diimine , 2 , 3-Diarylpiperazines
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
