1,2,4-三唑并[3,4- a ]吡啶和相关的杂环以及取代的三嗪是在各种药物和农用化学试剂中普遍发现的支架。在这里,我们报告了一种高效且实用的方法,该方法使用DMF及其衍生物进行[4 + 1]和[5 + 1]环化反应,以制备这些杂环。这种无金属的反应利用了贮存稳定的DMF作为溶剂和碳供体,使用咪唑氯化物作为催化剂的优势,温和的反应条件可耐受广泛的底物范围并替代。制备的3-未取代的1,2,4-三唑并[3,4- a ]吡啶和衍生物允许在3-位进一步引入各种官能团。
A Compound represented by the following general formula (1), salts thereof or hydrates of the foregoing is a novel compound useful for treatment and/or prevention of diseases associated with thrombus formation, and which is safer with suitable physicochemical stability.
[wherein R
1a
, R
1b
, R
1c
and R
1d
each independently represent hydrogen, etc.; R
2
represents optionally substituted phenyl, etc.; R
3
represents optionally substituted C6-10 aryl, etc.; and Z
1
and Z
2
each independently represent hydrogen]
[EN] SUBSTITUTED TRIAZOLE DERIVATIVES AND USES THEREOF<br/>[FR] DÉRIVÉS DE TRIAZOLE SUBSTITUÉS ET UTILISATIONS ASSOCIÉES
申请人:BAYER PHARMA AG
公开号:WO2019081306A1
公开(公告)日:2019-05-02
The present invention relates to novel substituted 1,2,4-triazole derivatives, to processes for the preparation of such compounds, to pharmaceutical compositions containing such compounds, and to the use of such compounds or compositions for the treatment and/or prevention of diseases, in particular for the treatment and/or prevention of renal and cardiovascular diseases.
oxidative cyclization/1,2-carbon migration of hydrazides for the synthesis of otherwise inaccessible hindered or enantiopure triazolopyridinones has been developed. This protocol exhibits broad substrate scope and can be easily scaled up by continuous flow synthesis under mild conditions. Most importantly, this method demonstrates a rearrangement with retention of configuration and can be readily applied
A Compound represented by the following general formula (1):
wherein R
1a
, R
1b
, R
1c
and R
1d
each independently represent hydrogen, etc.; R
2
represents optionally substituted phenyl, etc.; R
3
represents optionally substituted C6-10 aryl, etc.; and Z
1
and Z
2
each independently represent hydrogen
or salts thereof or hydrates of the foregoing.
The invention relates to a series of compounds with particular activity as inhibitors of the serine-threonine kinase AKT. Also provided are pharmaceutical compositions comprising same as well as methods for treating cancer.