- ROCK inhibitors 4: Structure-activity relationship studies of 7-azaindole-based rho kinase (ROCK) inhibitors
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Rho kinase (ROCK) inhibitors are of therapeutic value for the treatment of disorders such as hypertension and glaucoma, and potentially of wider use against diseases such as cancer and multiple sclerosis. We previously reported a series of potent and selective ROCK inhibitors based on a substituted 7-azaindole scaffold. Here we extend the SAR exploration of the 7-azaindole series to identify leads for further evaluation. New compounds such as 16, 17, 19, 21 and 22 showed excellent ROCK potency and protein kinase A (PKA) selectivity, combined with microsome and hepatocyte stability.
- Bandarage, Upul K.,Court, John,Gao, Huai,Nanthakumar, Suganthini,Come, Jon H.,Giroux, Simon,Green, Jeremy
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- Novel meriolin derivatives as rapid apoptosis inducers
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3-(Hetero)aryl substituted 7-azaindoles possessing multikinase inhibitor activity are readily accessed in a one-pot Masuda borylation-Suzuki coupling sequence. Several promising derivatives were identified as apoptosis inducers and, emphasizing the multik
- Drie?en, Daniel,Stuhldreier, Fabian,Frank, Annika,Stark, Holger,Wesselborg, Sebastian,Stork, Bj?rn,Müller, Thomas J.J.
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p. 3463 - 3468
(2019/06/27)
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- Design of Novel 3-Pyrimidinylazaindole CDK2/9 Inhibitors with Potent in Vitro and in Vivo Antitumor Efficacy in a Triple-Negative Breast Cancer Model
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In the present study, a novel series of 3-pyrimidinylazaindoles were designed and synthesized using a bioinformatics strategy as cyclin-dependent kinases CDK2 and CDK9 inhibitors, which play critical roles in the cell cycle control and regulation of cell transcription. The present approach gives new dimensions to the existing SAR and opens a new opportunity for the lead optimizations from comparatively inexpensive starting materials. The study led to the identification of the alternative lead candidate 4ab with a nanomolar potency against CDK2 and CDK9 and potent antiproliferative activities against a panel of tested tumor cell lines along with a better safety ratio of ~33 in comparison to reported leads. In addition, the identified lead 4ab demonstrated a good solubility and an acceptable in vivo PK profile. The identified lead 4ab showed an in vivo efficacy in mouse triple-negative breast cancer (TNBC) syngeneic models with a TGI (tumor growth inhibition) of 90% without any mortality growth inhibition in comparison to reported leads.
- Singh, Umed,Chashoo, Gousia,Khan, Sameer U.,Mahajan, Priya,Nargotra, Amit,Mahajan, Girish,Singh, Amarinder,Sharma, Anjna,Mintoo, Mubashir J.,Guru, Santosh Kumar,Aruri, Hariprasad,Thatikonda, Thanusha,Sahu, Promod,Chibber, Pankaj,Kumar, Vikas,Mir, Sameer A.,Bharate, Sonali S.,Madishetti, Sreedhar,Nandi, Utpal,Singh, Gurdarshan,Mondhe, Dilip Manikrao,Bhushan, Shashi,Malik, Fayaz,Mignani, Serge,Vishwakarma, Ram A.,Singh, Parvinder Pal
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p. 9470 - 9489
(2017/12/26)
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- Metal free C-H functionalization of diazines and related heteroarenes with organoboron species and its application in the synthesis of a CDK inhibitor, meriolin 1
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Here, we report a metal-free cross-coupling reaction of diazines and related heteroarenes with organoboron species via C-H functionalization. The optimized conditions represent a metal-free method for the activation of aryl/heteroarylboronic acids, which undergo coupling with diazines and related heteroarenes. Optimized conditions also find application in the synthesis of a pyrimidine-based potent CDK inhibitor, meriolin1.
- Thatikonda, Thanusha,Singh, Umed,Ambala, Srinivas,Vishwakarma, Ram A.,Singh, Parvinder Pal
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p. 4312 - 4320
(2016/05/24)
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- Concise syntheses of meridianins and meriolins using a catalytic domino amino-palladation reaction
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A synthesis of natural and synthetic members of the meridianin family of kinase inhibitory natural products has been developed. The sequence utilizes a variation of the Cacchi palladium-catalyzed domino reaction to efficiently construct the heterocyclic f
- Walker, Scott R.,Czyz, Milena L.,Morris, Jonathan C.
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supporting information
p. 708 - 711
(2014/03/21)
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- Rapid synthesis of bis(hetero)aryls by one-pot Masuda borylation-Suzuki coupling sequence and its application to concise total syntheses of meridianins A and G
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3-(Hetero)aryl substituted indoles, 7-azaindoles, and pyrroles can be obtained in a very concise fashion via a one-pot Masuda borylation-Suzuki coupling sequence. The concise total syntheses of the marine natural products meridianins A (5) and G (4i) nice
- Merkul, Eugen,Schaefer, Elisabeth,Mueller, Thomas J. J.
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p. 3139 - 3141
(2011/06/28)
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- PYRROLO[2,3-B]PYRIDINE COMPOUNDS, AZAINDOLE COMPOUNDS USED FOR SYNTHESIZING SAID PYRROLO[2,3-B]PYRIDINE COMPOUNDS, METHODS FOR THE PRODUCTION THEREOF, AND USES THEREOF
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The invention relates to pyrrolo[2,3-b]pyridine compounds and azaindole compounds used for the synthesis thereof. The invention also relates to methods for the production thereof and the uses thereof. Said novel pyrrolo[2,3-b]pyridine compounds according to the invention have great antiproliferative, apoptotic, and neuroprotective activities. The invention particularly applies to the pharmaceutical field.
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Page/Page column 18
(2010/08/07)
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- Concise syntheses of meridianins by carbonylative alkynylation and a four-component pyrimidine synthesis
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(Chemical Equation Presented) In one go: (Hetero)aryl iodides, alkynes, carbon monoxide, and amidines can be assembled in a consecutive four-component reaction to give pyrimidines by a sequence of carbonylative alkynylation and cyclocondensation. Carbonyl
- Karpov, Alexei S.,Merkul, Eugen,Rominger, Frank,Mueller, Thomas J. J.
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p. 6951 - 6956
(2007/10/03)
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- Synthesis of the indole alkaloids meridianins from the tunicate Aplidium meridianum
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The marine natural products meridianins A and C-E have been synthesized for the first time starting from the appropriate N-tosyl-3-acetylindole. A facile two-step conversion of N-tosyl-3-acetylindoles to the corresponding meridianins by treatment with dimethylformamide dimethylacetal and further cyclization of the resulting enaminone with aminoguanidine is described. This method has also been applied for the preparation of the 3-[(2-amino)pyrimidin-4-yl]-7-azaindole.
- Fresneda, Pilar M,Molina, Pedro,Bleda, Juan A
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p. 2355 - 2363
(2007/10/03)
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