Amide-Forming Ligation of Acyltrifluoroborates and Hydroxylamines in Water
作者:Aaron M. Dumas、Gary A. Molander、Jeffrey W. Bode
DOI:10.1002/anie.201201077
日期:2012.6.4
Come together, right now: Acyltrifluoroborates and O‐benzoyl hydroxylamines come together to form amides in water (see scheme). The ligations are complete within minutes at room temperature and do not require any reagents or catalysts. The reaction has a broad substrate scope and tolerates unprotected functional groups.
Amino acids and peptides. IV. Synthesis and analgesic effects of Tyr-containing dipeptide phenethylamides.
作者:MITSUKO MAEDA、SATOSHI OKUSADA、KOICHI KAWASAKI
DOI:10.1248/cpb.32.4157
日期:——
Several tyrosyl-5-aminovaleramide analogs were synthesized and their analgesic effects were examined. N-(Tyrosyl-5-aminovaleryl)-N-methylphenethylamine showed analgesic action in mice on peripheral administration.