1. An asymmetric iminium ion catalysis-enabled cascade cycloaddition reaction of chromone-oxindole synthons with enals: construction of a spirooxindole–hexahydroxanthone framework. Issue 36 (5th September 2019) Authors: Zhang, Wen-Hui; Zhou, Yan-you; He, Xue-Wen; Gong, Yi; Liu, Xiong-Li; Zhou, Ying Journal: Organic & biomolecular chemistry Issue: Volume 17:Issue 36(2019) Page Start: 8369 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗