AZETIDINE COMPOUNDS AS OREXIN RECEPTOR ANTAGONISTS
申请人:Aissaoui Hamed
公开号:US20100222600A1
公开(公告)日:2010-09-02
The invention relates to novel azetidine compounds of formula (I), wherein R
1
, R
2
, and X are as described in the description and their use as orexin receptor antagonists.
3-HETEROARYL (AMINO OR AMIDO)-1-(BIPHENYL OR PHENYLTHIAZOLYL) CARBONYLPIPERIDINE DERIVATIVES AS OREXIN RECEPTOR INHIBITORS
申请人:Aissaoui Hamed
公开号:US20100069418A1
公开(公告)日:2010-03-18
The invention relates to piperidine compounds of formula (I) wherein X-R
1
represents —N(H)-pyrimidinyl, wherein said pyrimidinyl is unsubstituted or mono-substituted wherein the substituent is selected from (C
1-4
)alkyl or halogen, or X-R
1
represents —NH—C(O)-heterocyclyl, wherein the heterocyclyl is selected from benzofuranyl and imidazo[2,1-b]-thiazolyl, wherein said heterocyclyl is unsubstituted or independently mono-, di-, or tri-substituted wherein the substituents are independently selected from (C
1-4
)alkyl; A represents a phenyl- or thiazolyl-group, wherein the phenyl or thiazolyl is unsubstituted or mono-substituted with (C
1-4
)alkyl; B represents a phenyl-group, wherein the phenyl is unsubstituted or mono-, or di-substituted, wherein the substituents are independently selected from the group consisting of (C
1-4
)alkyl, (C
1-4
)alkoxy, trifluoromethyl, cyano and halogen; to pharmaceutically acceptable salts thereof, and to the use of such compounds use as medicaments, especially as orexin receptor antagonists.
The invention relates to 3-aza-bicyclo[3.1.0]hexane derivatives of formula (I) wherein A, B, n, X, and R
1
are as described in the description, and salts thereof, and their use as orexin receptor antagonists.
Camphyl-based α-diimine palladium complexes: highly efficient precatalysts for direct arylation of thiazoles in open-air
作者:Fu-Min Chen、Dong-Dong Lu、Li-Qun Hu、Ju Huang、Feng-Shou Liu
DOI:10.1039/c7ob00856b
日期:——
Based on the strategy of the development of phosphine-free palladium-catalyzeddirect C–H arylation, a series of camphyl-based α-diimine palladium complexes bearing sterically bulky substituents were synthesized and characterized. The palladium complexes were applied for the cross-coupling of thiazole derivatives with arylbromides. The effect of the sterically bulky substituent on the N-aryl moiety
A convenient phosphine-free palladium-catalyzed direct arylation of thiazole under mild aerobic conditions
作者:Xiao-Xi He、Yan-Fang Li、Ju Huang、Dong-Sheng Shen、Feng-Shou Liu
DOI:10.1016/j.jorganchem.2015.12.009
日期:2016.2
A series of bulky amine palladium complexes [(Ar-NH2)2PdCl2]} were synthesized and characterized. The catalytic activity of the palladium complexes was evaluated via the direct C–H arylation of thiazoles with aryl bromides in aerobic conditions at 80–100 °C. Under the optimal conditions, 0.5–0.05 mol% of the bulky palladium complexes were found to be very efficient and produced the desired cross-coupling