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The first enantioselective synthesis of chiral norbornane-type 1,4-diamine ligand

✍ Scribed by Cihangir Tanyeli; Salih Özçubukçu

Publisher: Elsevier Science
Year: 2003
Tongue: English
Weight: 113 KB
Volume: 14
Category: Article
ISSN: 0957-4166
DOI: 10.1016/s0957-4166(03)00161-7

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## Abstract Deprotonation of the chiral __N__‐(__tert__‐butylsulfinyl) ketimine **1** followed by trapping with imines **2** afforded the β‐aminoimines **3** as the Mannich‐type products in high diastereoselectivities (99:1 __dr__). As versatile synthons chiral β‐amino imines **3** could be transfo