1361343-19-2

Upstream product

• 1012085-22-1 (2R,3R)-1-tert-butyl 5-methyl 2-(2,2-dimethyl-1-phenylpropylideneamino)-3-methylpentanedioate 
• 1012085-19-6 (2R,3R)-1-tert-butyl 5-methyl 2-amino-3-methylpentanedioate 
• 1352745-66-4 tert-butyl-5-methyl (2R,3R)-2-((tert-butoxycarbonyl)amino)-3-methylpentanedioate 
• 1361343-21-6 (3R,4R)-5-(tert-butoxy)-4-((tert-butoxycarbonyl)amino)-3-methyl-5-oxopentanoic acid 
• 1361343-22-7 tert-butyl (2R,3R)-2-((tert-butoxycarbonyl)amino)-5-hydroxy-3-methylpentanoate 
• 1361343-23-8 tert-butyl (2R,3R)-2-((tert-butoxycarbonyl)amino)-5-((tert-butyldiphenylsilyl)oxy)-3-methylpentanoate 
• 1361343-18-1 (2R,3R)-2-amino-5-((tert-butyldiphenylsilyl)oxy)-3-methylpentanoic acid 
• 1361343-24-9 (2R,3R)-2-azido-5-((tert-butyldiphenylsilyl)oxy)-3-methylpentanoic acid 

Relevant academic research and scientific papers

An asymmetric synthesis of l -pyrrolysine

An efficient asymmetric synthesis of the 22nd amino acid l-pyrrolysine has been accomplished. The key stereogenic centers were installed by an asymmetric conjugate addition reaction. A Staudinger/aza-Wittig cyclization was used to form the acid-sensitive