在此,我们报告了一种 CO 2介导的碱催化方法,用于激活离子液体 (IL) 中的三键,其中的阴离子可以化学捕获 CO 2(例如,唑盐、酚盐和乙酸盐),从而实现三键的水合羰基化学品。发现阴离子络合的CO 2可以从质子资源(例如IL阳离子)中提取一个质子,并通过六元环过渡态将其转移到C N 或C C 键,从而实现它们的水合。特别是,四丁基鏻 2-羟基吡啶在 CO 2下对腈和含C C 键的化合物的水合显示出高效率气氛,以优异的收率提供一系列羰基化合物。这种催化方案简单、绿色、高效,开辟了一种在温和和无金属条件下通过三键水合获得羰基化合物的新方法。
The present invention relates a compound of formula 1, and pharmaceutically acceptable salt, hydrate, solvate, or isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.
A melanocortin receptor-specific compound of the general formula of structure I:
where X, R
1
, R
2a
, R
2b
, R
3
, R
4a
, R
4b
, R
5a
and R
5b
are as defined in the specification, which compound binds with high affinity to one or more melanocortin receptors and is optionally an agonist, an antagonist, an inverse agonist or an antagonist of an inverse agonist, and may be employed for treatment of one or melanocortin receptor-associated conditions or disorders, and methods for the use of the compounds of the invention.
Larramona, Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1951, vol. 232, p. 849
作者:Larramona
DOI:——
日期:——
Small Molecule Compositions for Sexual Dysfunction
申请人:Sharma Shubh D.
公开号:US20090253713A1
公开(公告)日:2009-10-08
Compounds of the general formula:
or a pharmaceutically acceptable salt thereof, wherein R
1
, R
2
, R
3
, and X are as defined. Further provided are methods for treatment of sexual dysfunction, including erectile dysfunction and female sexual dysfunction, and combination drugs and method of use thereof, including a compound of the invention and one or more second sexual dysfunction pharmaceutical agents.
HETEROCYCLIC COMPOUNDS FOR THE TREATMENT OF ABNORMAL CELLULAR PROLIFERATION
申请人:G1 Therapeutics, Inc.
公开号:US20200331925A1
公开(公告)日:2020-10-22
This invention is in the area of heterocyclic-based compounds for the treatment of disorders involving abnormal cellular proliferation, including but not limited to tumors and cancers.