Discovery of benzhydrylpiperazine derivatives as CB1 receptor inverse agonists via privileged structure-based approach
摘要:
The present study describes the identification via privileged structure-based approach of the benzhydrylpiperazine moiety as a potential scaffold to develop novel CB1 receptor modulators. Efficient structural optimization of the initial four hit compounds led to a high quality lead series, represented by compound 6c. Compound 6c is a highly potent and selective CB1 receptor inverse agonist that is able to reduce body weight in diet-induced obese Sprague-Dawley rats. The preparation of privileged structure-based library, the progression from hit to lead, the structure-activity relationships in the lead series and in vitro and in vivo activity of compound 6c are discussed. (C) 2009 Elsevier Masson SAS. All rights reserved.
Axially chiral C2-symmetric N-heterocyclic carbene (NHC) palladium complexes-catalyzed asymmetric arylation of aldehydes with arylboronic acids
摘要:
Chiral C-2-symmetric N-heterocyclic carbene (NHC) palladium diaquo complexes 5a-c and the chiral C-2-symmetric NHC-palladium complexes 5d and 5e prepared from (R)-BINAM or H-8-(R)-BINAM could be used as the catalysts for the enantioselective arylation of arylaldehydes with arylboronic acids in which NHC-Pd complex 5a was found to be fairly effective in this reaction to give the corresponding adducts in moderate enantioselectivities along with moderate to good yields. (C) 2010 Elsevier Ltd. All rights reserved.
Axially chiral C2-symmetric N-heterocyclic carbene (NHC) palladium complexes-catalyzed asymmetric arylation of aldehydes with arylboronic acids
作者:Rui Zhang、Qin Xu、Xiuchun Zhang、Tao Zhang、Min Shi
DOI:10.1016/j.tetasy.2010.06.041
日期:2010.8
Chiral C-2-symmetric N-heterocyclic carbene (NHC) palladium diaquo complexes 5a-c and the chiral C-2-symmetric NHC-palladium complexes 5d and 5e prepared from (R)-BINAM or H-8-(R)-BINAM could be used as the catalysts for the enantioselective arylation of arylaldehydes with arylboronic acids in which NHC-Pd complex 5a was found to be fairly effective in this reaction to give the corresponding adducts in moderate enantioselectivities along with moderate to good yields. (C) 2010 Elsevier Ltd. All rights reserved.
Discovery of benzhydrylpiperazine derivatives as CB1 receptor inverse agonists via privileged structure-based approach
The present study describes the identification via privileged structure-based approach of the benzhydrylpiperazine moiety as a potential scaffold to develop novel CB1 receptor modulators. Efficient structural optimization of the initial four hit compounds led to a high quality lead series, represented by compound 6c. Compound 6c is a highly potent and selective CB1 receptor inverse agonist that is able to reduce body weight in diet-induced obese Sprague-Dawley rats. The preparation of privileged structure-based library, the progression from hit to lead, the structure-activity relationships in the lead series and in vitro and in vivo activity of compound 6c are discussed. (C) 2009 Elsevier Masson SAS. All rights reserved.