%0 Journal Article %T Asymmetric organocatalytic decarboxylative Mannich reaction using ¦Â-keto acids: A new protocol for the synthesis of chiral ¦Â-amino ketones %A Chunhui Jiang %A Fangrui Zhong %A Yixin Lu %J Beilstein Journal of Organic Chemistry %D 2012 %I %R 10.3762/bjoc.8.144 %X The first decarboxylative Mannich reaction employing ¦Â-keto acids, catalyzed by cinchonine-derived bifunctional thiourea catalyst has been described. The desired ¦Â-amino ketones were obtained in excellent yields and with moderate to good enantioselectivities. %K decarboxylative addition %K ¦Â-keto acid %K Mannich reaction %K organocatalysis %U http://dx.doi.org/10.3762/bjoc.8.144