2-hydroxyamide derivatives are produced based on the kineticresolution of racemic 2-hydroxyamides with a diphenylacetyl component and (R)-benzotetramisole ((R)-BTM), a chiral acyl-transfer catalyst, via asymmetric esterification and acylation. It was revealed that a tertiary amide can be used with this novel protocol to achieve high selectivity (22 examples; s-value reaching over 250). The resulting chiral
Disclosed are compounds of Formula (I)
or stereoisomers or salts thereof, wherein: X
1
, X
2
, X
3
, W, Q
1
, Q
2
, and G
2
are defined herein. Also disclosed are methods of using such compounds as selective agonists for G protein-coupled receptor S1P
1
, and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing the progression of diseases or disorders in a variety of therapeutic areas, such as autoimmune diseases and vascular disease.
This invention relates to a method for producing an alkenyl 1-aminocyclopropane-1-carboxylic acid of Formula I wherein R1 is a protecting group, n is an integer between 1 and 10, and A and B are chiral centres such that when A is S, B is R and when A is R, B is S. The method comprises a stereoselective formation of the cyclopropane moiety by cycloaddition onto a double bond, in a molecule comprising a chiral template, Formula lc. Further provided is the use of Formula I in the production of stapled peptides.
本发明涉及一种生产式 I 的烯基 1-氨基环丙烷-1-羧酸的方法,其中 R1 是保护基团,n 是 1-10 之间的整数,A 和 B 是手性中心,当 A 是 S 时,B 是 R,当 A 是 R 时,B 是 S,该方法包括在包含手性模板的分子中,通过环化到双键上立体选择性地形成环丙烷分子,即式 lc。进一步提供了式 I 在生产钉肽中的用途。
BUILDING BLOCKS FOR STAPLED PEPTIDES
申请人:Agency for Science, Technology and Research
公开号:US20200031760A1
公开(公告)日:2020-01-30
This invention relates to a method for producing an alkenyl 1-aminocyclopropane-1-carboxylic acid of Formula I wherein R
1
is a protecting group, n is an integer between 1 and 10, and A and B are chiral centres such that when A is S, B is R and when A is R, B is S. The method comprises a stereoselective formation of the cyclopropane moiety by cycloaddition onto a double bond, in a molecule comprising a chiral template, Formula lc. Further provided is the use of Formula I in the production of stapled peptides.