Herein, we report novel multi-rotational solid-state dynamics utilizing a crystalline molecular rotor bearing multicomponent rotators encapsulated by a concave-shaped NHC Au(I) complex. The motion of the central pyrazine and neighboring THF molec...
Negishi Cross‐Coupling in the Preparation of Benzyl Substituted Pyrrolo[2,3‐d]pyrimidine Based CSF1R Inhibitors
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CSF1R is a protein kinase emerging as an attractive target with medicinal chemistry. Guided by molecular docking a series of pyrrolopyrimidine inhibitor candidates have been synthesis using Negishi and Suzuki–Miyaura cross-coupling in the key steps. The front runner compounds possessed excellent enzymatic potency, and preferably binds to the autoinhibited form of CSF1R.
The colony-stimulating factor 1 receptor (CSF1R) is a protein kinase emerging as an attractive target with clinical relevance in cancer, CNS and inflammatory diseases. Molecular docking experiments followed by synthesis and structure–activity relationship have been used to identify low molecular weight structures as promising hits for lead optimization. These molecules are synthesized from a 4-chloro-6-iodo-pyrrolo[2,3-d]pyrimidine building block using Negishi and Suzuki–Miyaura cross-coupling reactions in high yields. Several inhibitors possessed excellent enzymatic potency, and the parent compound preferably binds to the autoinhibited form of CSF1R. Cellular and in vivo profiling indicate that further tuning of drug structure is needed prior to efficacy studies.Zum Volltext
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