1621003-27-7Relevant articles and documents
Catalytic asymmetric synthesis of 4-nitropyrazolidines: An access to optically active 1,2,3-triamines
Lykke, Lennart,Carlsen, Bj?rn Drei?,Rambo, Raoní Scheibler,J?rgensen, Karl Anker
supporting information, p. 11296 - 11299 (2014/09/17)
The first catalytic enantio- and diastereoselective synthesis of 4-nitropyrazolidines is presented. Asymmetric hydrogen-bonding activation of nitro-olefins facilitated the 1,3-dipolar cycloaddition with hydrazones, affording optically active 4-nitropyrazo