Journal
CHEMISTRYSELECT
Volume 1, Issue 15, Pages 5057-5061Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201601213
Keywords
aza-Henry reaction; chiral thioureas; organocatalysis; supported thioureas; supported organocatalysts.
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Funding
- Spanish MINECO [CTQ2014-59870-P]
- Junta de Castilla y Leon [VA064U13]
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A series of supported bifunctional thioureas has been prepared, in one or two steps, from commercially available aminoalkyl polystyrene resins. They differ in the length of the tether attaching the thiourea to the polymer chain, and the nature of the amino thiourea component. All the materials are able to promote stereoselective aza-Henry reaction with very good stereoselection, and they can be recycled maintaining the catalytic activity.
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