%A Q Chu %A W Zhang %A DP Curran %J Tetrahedron Letters %T A recyclable fluorous organocatalyst for Diels-Alder reactions %X Chiral fluorous imidazolidinone catalyst 2 provides consistently high enantioselectivities in Diels-Alder reactions of dienes and ?,?-unsaturated aldehydes. The catalyst can be readily separated from the reaction products by fluorous solid-phase extraction, and recovered in excellent purity for direct reuse. ? 2006 Elsevier Ltd. All rights reserved. %N 52 %P 9287 - 9290 %V 47 %D 2006 %R 10.1016/j.tetlet.2006.10.101 %L pittir18586