https://www.selleckchem.com/pr....oducts/PD-173074.htm
A highly atroposelective synthesis of nonbiaryl N-C atropisomers was achieved via direct aminations of 1,3-benzenediamines with azodicarboxylates enabled by chiral phosphoric acid catalysis. A series of N-substituents, benzene-substituents and azodicarboxylates were well tolerated, generating N-C atropisomers with high configurational stability. The facile derivatizations and utilizations of the chiral products as novel chiral organocatalysts demonstrate the value of these reactions.Effective treatment of brain metastases is hindered
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