%0 Journal Article %J Tetrahedron Letters %D 2010 %T Efficient synthesis of varenicline %A Pasikanti, Srinivas %A Reddy, D. Srinivasa %A Venkatesham, B. %A Dubey, P. K. %A Iqbal, Javed %A Das, Parthasarathi %X Synthesis of varenicline the antismoking drug has been achieved in six steps with 10% overall yield. A Diels-Alder reaction, oxidative cleavage of an olefin and reductive amination remain as key steps in the synthesis (C) 2009 Elsevier Ltd. All rights reserved. %B Tetrahedron Letters %V 51 %P 151-152 %8 JAN %G eng %N 1 %3 Foreign %4 2.347 %R 10.1016/j.tetlet.2009.10.107