Investigation of the Mitsunobu Reaction of<i>N</i>-(2-Hydroxyethyl)-<i>N′</i>-Phenyl-Ureas
作者:Taek Hyeon Kim、Gue-Jae Lee、Mi-Hyun Cha
DOI:10.1080/00397919908086441
日期:1999.8
The Mitsunobu reaction of N-(2-hydroxyethyl)-ureas 1 using PPh3 and EtO2CN=NCO2Et led to the mixture of N- and O-alkylation products or a single isomer depending on the substrates.
CN115784939
申请人:——
公开号:——
公开(公告)日:——
UREAphos: supramolecular bidentate ligands for asymmetric hydrogenation
作者:Albertus J. Sandee、Alida M. van der Burg、Joost N. H. Reek
DOI:10.1039/b614571j
日期:——
Supramolecular bidentate phosphite ligands are presented as a new class of ligands for rhodium catalysed asymmetrichydrogenation.
超分子的二齿亚磷酸酯亚磷酸酯配体作为铑催化的不对称氢化的一类新的配体被提出。
Regiocontrolled Cyclization Reaction of <i>N</i>-(2-Hydroxyethyl)ureas by Transfer of Activation: One-Pot Synthesis of 2-Imidazolidinones