Published in
American Chemical Society, Journal of Organic Chemistry, 7(71), p. 2903-2906, 2006
DOI: 10.1021/jo052614y
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A Practical One-Pot Synthesis of Enantiopure Unsymmetrical Salen Ligands
Journal article published in 2006 by
Michael Holbach,
Xiaolai Zheng,
Caroline Burd,
Christopher W. Jones,
Marcus Weck 
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Abstract
A practical, one-pot synthesis of enantiopure unsymmetrical salen ligands is described, using a 1:1:1 molar ratio of a chiral diamine and two different salicylaldehydes. The new synthetic protocol can be readily performed in good yields (60-85%) on a multigram scale with good tolerance toward various functional groups.