Novel chiral hydrogen bond donor catalysts based on a 4,5-diaminoxanthene scaffold: application to enantioselective conjugate addition of 1,3-dicarbonyl compounds to nitroalkenes

✍ Scribed by Tetsuhiro Nemoto; Kazumichi Obuchi; Shinji Tamura; Takashi Fukuyama; Yasumasa Hamada

• Publisher: Elsevier Science
• Year: 2011
• Tongue: French
• Weight: 626 KB
• Volume: 52
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/j.tetlet.2010.12.067

✦ Synopsis

Known mode of carboxylate recognition through the 4-point hydrogen-bonding interaction