Modulators of CRTH2, particularly antagonists of CRTH2, that are useful for treating various disorders, including asthma and respiratory disorders are disclosed. The compounds fall within a genus described by formula I:
The synthesis of a diverse array of pyrroles is reported from the cyclocondensation of 1,4-dicarbonyl compounds with magnesiumnitride in methanol.
据报道,1,4-二羰基化合物与氮化镁在甲醇中的环缩合反应合成了多种吡咯。
CRTH2 modulators
申请人:Mermerian Ara
公开号:US08674115B2
公开(公告)日:2014-03-18
Modulators of CRTH2, particularly antagonists of CRTH2, that are useful for treating various disorders, including asthma and respiratory disorders are disclosed. The compounds fall within a genus described by formula I:
Bicyclo[2.1.1]hexanes by Visible Light-Driven Intramolecular Crossed [2 + 2] Photocycloadditions
作者:Thomas Rigotti、Thorsten Bach
DOI:10.1021/acs.orglett.2c03606
日期:2022.12.9
increasingly popular building blocks in medicinal chemistry as bridged scaffolds that provide unexplored chemical space. We herein report a visible light-driven approach to these compounds that relies on an intramolecular crossed [2 + 2] photocycloaddition of styrene derivatives enabled by triplet energy transfer. Bicyclo[2.1.1]hexanes were obtained in good to high yields (19 examples, 61%-quantitative yield)
enantioconvergent access to chiral N-heterocycles directly from simple racemic diols and primary amines, through a highly economical borrowing hydrogen annulation. The identification of a chiral amine-derived iridacycle catalyst was the key for achieving high efficiency and enantioselectivity in the one-step construction of two C–N bonds. This catalytic method enabled a rapid access to a wide range of