Influence of metal on coordination geometry and solution dynamics in complexes of cis-ethylenebis(diphenylphosphine oxide) and Ln(OTf)3 (Ln = La, Sm, Lu) X-ray crystal structures and NMR titration studies
Enantioselective transformation of alpha,beta-unsaturated ketones using chiral organic catalysts
申请人:——
公开号:US20030220507A1
公开(公告)日:2003-11-27
Nonmetallic organic catalysts are provided that facilitate the enantioselective reaction of &agr;,&bgr;-unsaturated ketones. The catalysts are chiral imidazolidinone compounds having the structure of formula (IIA) or (IIB)
1
or are acid addition salts thereof, wherein, in one preferred embodiment, R
1
is C
1
-C
6
alkyl, R
2
is phenyl or 2-methylfuryl, R
3
and R
4
are hydrogen, and R
5
is phenyl optionally substituted with 1 or 2 substituents selected from the group consisting of halo, hydroxyl, and C
1
-C
6
alkyl The chiral imidazolidinones are useful in catalyzing a wide variety of reactions, including cycloaddition reactions, Friedel-Crafts alkylation reactions, and Michael additions.
The present invention relates to a class of melanocortin MCR4 agonists of general formula (I)
wherein R
1
, R
2
, R
3
, R
4
and R
5
are as defined herein and especially to selective MCR4 agonist compounds, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes.
This invention relates to the use of an MC4 receptor agonist compound for the manufacture of a medicament for the treatment of lower urinary tract dysfunction.
本发明涉及使用MC4受体激动剂化合物制备药物,用于治疗下尿路功能障碍。
NOVEL N-SUBSTITUTED-PYRROLIDINES AS INHIBITORS OF MDM2-P-53 INTERACTIONS
申请人:Bartkovitz David Joseph
公开号:US20110086854A1
公开(公告)日:2011-04-14
There are provided compounds of the formula
wherein X, Y, R
1
, R
2
, R
3
, R
3
, R
4
, and R
5
are as described herein
and enantiomers and pharmaceutically acceptable salts and esters thereof which are useful as anticancer agents.
Enantioselective transformation of α,β-unsaturated ketones using chiral organic catalysts
申请人:California Institute of Technology
公开号:US07592463B2
公开(公告)日:2009-09-22
Nonmetallic organic catalysts are provided that facilitate the enantioselective reaction of α,β-unsaturated ketones. The catalysts are chiral imidazolidinone compounds having the structure of formula (IIA) or (IIB)
or are acid addition salts thereof, wherein, in one preferred embodiment, R1 is C1-C6 alkyl, R2 is phenyl or 2-methylfuryl, R3 and R4 are hydrogen, and R5 is phenyl optionally substituted with 1 or 2 substituents selected from the group consisting of halo, hydroxyl, and C1-C6 alkyl. The chiral imidazolidinones are useful in catalyzing a wide variety of reactions, including cycloaddition reactions, Friedel-Crafts alkylation reactions, and Michael additions.