Shah, Syed Tasadaque Ali; Khan, Khalid Mohammed; Martinez Heinrich, Angelica; Voelter, Wolfgang Tetrahedron Letters, 2002 , vol. 43, # 46 p. 8281 - 8283 Title/Abstract View citing articles Show Details Shah, Syed T. A.; Khan, Khalid M.; Hussain, Hidayat; Hayat, Safdar; Voelter, Wolfgang Monatshefte fur Chemie, 2005 , vol. 136, # 9 p. 1583 - 1589