Zhu, Gongming Base-catalyzed diastereoselective [3 + 3] annulation of 3-isothiocyanatooxindoles and azomethine imines. [electronic resource] - Organic letters Oct 2013 - 4988-91 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1523-7052 Standard No.: 10.1021/ol402295m doi Subjects--Topical Terms: Azo Compounds--chemical synthesisImines--chemistryIndoles--chemical synthesisMolecular StructureNitriles--chemistryStereoisomerismThiosemicarbazones--chemical synthesis