title: Expeditious assembly of a 2-amino-4H-chromene skeleton by using an enantioselective Mannich intramolecular ring cyclization-tautomerization cascade sequence.
authors: Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543.
authors: Qiao
authors: Q
authors: Ren
authors: Woon-Yew
authors: WY
authors: Siau
authors: Zhiyun
authors: Z
authors: Du
authors: Kun
authors: K
authors: Zhang
authors: Jian
authors: J
authors: Wang