BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY, vol. 7, page. 1158 - 1163, 2011-08-24
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, vol. 50, no. 26, page. 5952 - 5955, 2011-06
ORGANIC LETTERS, vol. 13, no. 9, page. 2398 - 2401, 2011-05-06