📜2-氯-5-三氟甲基吡啶-4-甲酸置于叠氮磷酸二苯酯,三乙胺,三氟乙酸体系中,用 二氯甲烷,甲苯 用作溶剂,化学反应 10.0H,反应生成2-氯-5-(三氟甲基)吡啶-4-胺
参考文献:Multiparameter Lead Optimization To Give An Oral Checkpoint Kinase 1 (Chk1) Inhibitor Clinical Candidate: (R)-5-((4-((Morpholin-2-Ylmethyl)Amino)-5-(Trifluoromethyl)Pyridin-2-yl)Amino)Pyrazine-2-Carbonitrile (Cct245737)
标题:Multiparameter Lead Optimization To Give An Oral Checkpoint Kinase 1 (Chk1) Inhibitor Clinical Candidate: (R)-5-((4-((Morpholin-2-Ylmethyl)Amino)-5-(Trifluoromethyl)Pyridin-2-yl)Amino)Pyrazine-2-Carbonitrile (Cct245737)
摘要:Multiparameter Optimization Of A Series Of 5((4-Aminopyridin-2-yl)Amino)Pyrazine-Carbonitriles Resulted In The Identification Of A Potent And Selective Oral Chk1 Preclinical Development Candidate With In Vivo Efficacy As A Potentiator Of Deoxyribonucleic Acid (Dna) Damaging Chemotherapy And As A Single Agent. Cellular Mechanism Of Action Assays Were Used To Give An Integrated Assessment Of Compound Selectivity During Optimization Resulting In A Highly Chk1 Selective Adenosine Triphosphate (Atp) Competitive Inhibitor. A Single Substituent Vector Directed Away From The Chk1 Kinase Active Site Was Unexpectedly Found To Drive The Selective Cellular Efficacy Of The Compounds. Both Chk1 Potency And Off-Target Human Ether-A-Go-Go-Related Gene (Herg) Ion Channel Inhibition Were Dependent On Lipophilicity And Basicity In This Series. Optimization Of Chk1 Cellular Potency And In Vivo Pharmacokinetic Pharmacodynamic (Pk-Pd) Properties Gave A Compound With Low Predicted Doses And Exposures In Humans Which Mitigated The Residual Weak In Vitro Herg Inhibition.
Doi:10.1021/acs.Jmedchem.5B01938