Reference of 20439-47-8, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 20439-47-8, Name is (1R,2R)-Cyclohexane-1,2-diamine,introducing its new discovery.
Synthesis of the enantiomers of 1-{2-Hydroxy-3-[4-(2-hydroxy-phenyl)- piperazin-1-yl ]-propyl}-pyrrolidin-2-one using soluble and polystyrene bound salenCo(III)OAc complexes as catalysts of hydrolytic kinetic resolution
The asymmetric synthesis of 1-{2-hydroxy-3-[4-(2-hydroxy-phenyl)-piperazin- 1-yl]-propyl}-pyrrolidin-2-one 3 is described. Enantiomers of compound 3 were synthesized by hydrolytic kinetic resolution (HKR) of racemic 1-oxiranylmethyl-pyrrolidin-2-one rac-2 using soluble or polystyrene bound salenCo(III)OAc complexes folowing its aminolysis with 1-(2-hydroxy-phenyl)- piperazine. The enantiomeric purity of obtained dihydrochloride salts of compounds 3 was determined by HPLC method with Chiralpack IA column. The ee’s determined for enantiomers of compound 3 were in range 92-96% and indicated that proposed methods are effective tools for the synthesis of aminoalcohols. The application of polystyrene bound catalyst of HKR enables its easy isolation from reaction mixture and recovery.
If you’re interested in learning more about 3189-13-7, below is a message from the blog Manager. Reference of 20439-47-8
Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI