Eine unerwartete Reaktion zwischen Oxalylchlorid und atropisomeren Diaminen

✍ Scribed by Lindauer, Dirk ;Atzrodt, Jens ;Beckert, Rainer ;Görls, Helmar

• Publisher: John Wiley and Sons
• Year: 1995
• Tongue: English
• Weight: 287 KB
• Volume: 1995
• Category: Article
• ISSN: 0947-3440
• DOI: 10.1002/jlac.199519950128

✦ Synopsis

An Unexpected Reaction between Oxalyl Chloride and Atropisomeric Diamines

Chiral diamines like (S)‐1,1′‐binaphthalene‐2,2′‐diamine (3a) were acylated by oxalyl chloride to yield mainly a macrocyclic lactame 5, whereas the eight‐membered oxamide 4 was formed only in small quantity.