mild amine basic conditions is described. A cooperative catalysis of CpRu complex, DBU, and NaPF6 enables chemoselective and catalytic generation of nucleophiles from barely acidic acetonitrile, which is integrated into the addition to aldehydes, imines, and activated ketones. Mechanistic investigations revealed that the three catalyst components work together to achieve high catalytic efficiency.
METHOD OF PREPARING (6R)-3-HEXYL-4-HYDROXY-6-UNDECYL-5, 6-DIHYDROPYRAN-2-ONE, AND INTERMEDIATE USED IN THE METHOD
申请人:Yun Sang Min
公开号:US20100274029A1
公开(公告)日:2010-10-28
Provided is a method of preparing a (6R)-3-hexyl-4-hydroxy-6-undecyl-5,6-dihydropyran-2-one, and a (5R)-2-hexyl-5-hydroxy-3-iminohexadecanoate derivative used in said method as an intermediate.
METHOD OF PREPARING (6R)-3-HEXYL-4-HYDROXY-6-UNDECYL-5,6-DIHYDROPYRAN-2-ONE, AND INTERMEDIATE USED IN THE METHOD
申请人:Hanmi Pharm. Co., Ltd.
公开号:EP2203434A2
公开(公告)日:2010-07-07
US8242288B2
申请人:——
公开号:US8242288B2
公开(公告)日:2012-08-14
[EN] METHOD OF PREPARING (6R)-3-HEXYL-4-HYDROXY-6-UNDECYL-5,6-DIHYDROPYRAN-2-ONE, AND INTERMEDIATE USED IN THE METHOD<br/>[FR] PROCÉDÉ DE PRÉPARATION DE (6R)-3-HEXYL-4-HYDROXY-6-UNDECYL-5,6-DIHYDROPYRANE-2-ONE, ET PRODUIT INTERMÉDIAIRE UTILISÉ DANS LE PROCÉDÉ
申请人:HANMI PHARM IND CO LTD
公开号:WO2009057938A2
公开(公告)日:2009-05-07
Provided is a method of preparing a (6R)-3-hexyl-4-hydroxy-6-undecyl-5,6-dihydropyran-2-one, and a (5R)-2-hexyl-5-hydroxy-3-iminohexadecanoate derivative used in said method as an intermediate.