cdk-in-6

CDK-IN-6, a pyrazolo[1,5-a]pyrimidine compound, exhibits potent anticancer activities as a CDK inhibitor[1].

Abemaciclib metabolite M20 (CDK4 6-IN-4) is an active metabolite of Abemaciclib. Abemaciclib metabolite M20 is a selective CDK4 6 inhibitor and can be used for researches on the treatment of cancer.

CDK12-IN-6, a pyrazolotriazine compound, is a powerful inhibitor of CDK12. Its inhibitory activity is significant with an IC50 value of 1.19 μM when tested at high ATP concentration (2 mM). Notably, CDK12-IN-6 does not exhibit any inhibitory effect on CDK2 Cyclin E (IC50 >20 μM) and CDK9 Cyclin T1 (IC50 >20 μM) when tested under the same high ATP conditions (2 mM) (WO2021116178A1).

CDK4 6-IN-5 is a highly effective inhibitor of CDK4 and CDK6, with Ki values of 0.2 nM for CDK4 Cyclin D1 and 4.4 nM for CDK6 Cyclin D3 (WO2019207463A1, example A93).

CDK6 9-IN-1 (compound 66) is a potent, orally administered dual inhibitor of CDK6 and CDK9, with IC50 values of 40.5 nM and 39.5 nM, respectively.

6-Chloro-2-fluoropurine is a heterocyclic building block.1,2It has been used in the synthesis of purine nucleosides that inhibit cyclin-dependent kinases (CDKs)in vitro.16-Chloro-2-fluoropurine has also been used in the synthesis of purine nucleosides that are active against HIV-1 and hepatitis B virus (HBV)in vitro.2 1.Wilson, S.C., Atrash, B., Barlow, C., et al.Design, synthesis and biological evaluation of 6-pyridylmethylaminopurines as CDK inhibitorsBioorg. Med. Chem.19(22)6949-6965(2011) 2.Lee, K., Choi, Y., Gullen, E., et al.Synthesis and anti-HIV and anti-HBV activities of 2'-fluoro-2',3'-unsaturated L-nucleosidesJ. Med. Chem.42(7)1320-1328(1999)

AG-12286 is a pan-CDK inhibitor. AG-012986 may be useful in the treatment of tumors by inhibiting p38 MAPK phosphorylation. Note: many vendors confused the structure of AG-12286 (CAT#573461, CAS# 223784-75-6) with AG-012986 (CAT#406184, CAS# is 486414-35-1).

AG-012986 is a multitargeted cyclin-dependent kinase (CDK) inhibitor active against CDK1, CDK2, CDK4 6, CDK5, and CDK9, with selectivity over a diverse panel of non-CDK kinases. AG-012986 showed antiproliferative activities in vitro with IC(50)s of <100 nmol L in 14 of 18 tumor cell lines. In vivo, significant antitumor efficacy induced by AG-012986 was seen (tumor growth inhibition, >83.1%) in 10 of 11 human xenograft tumor models. AG-012986 also showed dose-dependent retinoblastoma Ser(795) hypophosphorylation, cell cycle arrest, decreased Ki-67 tumor staining, and apoptosis in conjunction with antitumor activity.

AG-012986 HCl is a multitargeted cyclin-dependent kinase (CDK) inhibitor active against CDK1, CDK2, CDK4 6, CDK5, and CDK9, with selectivity over a diverse panel of non-CDK kinases. AG-012986 HCl showed antiproliferative activities in vitro with IC(50)s of <100 nmol L in 14 of 18 tumor cell lines. In vivo, significant antitumor efficacy induced by AG-012986 HCl was seen (tumor growth inhibition, >83.1%) in 10 of 11 human xenograft tumor models. AG-012986 HCl also showed dose-dependent retinoblastoma Ser(795) hypophosphorylation, cell cycle arrest, decreased Ki-67 tumor staining, and apoptosis in conjunction with antitumor activity.

LSN3106729 hydrochloride, the metabolite of Abemaciclib , is a CDK inhibitor with antitumor activity. LSN3106729 hydrochloride and a CRBN ligand have been used to design PROTAC CDK4 6 degrader[1]. [1]. Edward S. Kim, et al. Abemaciclib in Combination with Single-Agent Options in Patients with Stage IV Non-Small Cell Lung Cancer: A Phase Ib Study. [2]. Nathanael Gray, et al. Degradation of cyclin-dependent kinase 4 6 (cdk4 6) by conjugation of cdk4 6 inhibitors with e3 ligase ligand and methods of use. WO2017185031A1.

CDK HDAC-IN-2 is a potent dual HDAC CDK inhibitor that acts on HDAC1 (IC50: 6.4 nM), HDAC2 (IC50: 0.25 nM), HDAC3 (IC50: 45 nM), HDAC6 and 8 (IC50 > 1000 nM), CDK1 (IC50: 8.63 nM), CDK2 (IC50: 0.30 nM), and CDK4, 6, and 7 (IC50 > 1000 nM). CDK HDAC-IN-2 can arrest the cell cycle in the G2 M phase and induce apoptosis, demonstrating excellent anti-proliferative and significant anti-tumor effects.

XY028-140 is a selective CDK4 CDK6 degrade and inhibits both CDK4 6 expression and activity in cancer cells. XY028-140 is a PROTAC connected by ligands for Cereblon and CDK.

CDK4 6 HDAC-IN-1 (Compound N14) is a dual-target inhibitor of CDK4 6 and HDAC, with IC50 values of 7.23 nM for CDK4, 13.20 nM for CDK6, 55.66 nM for HDAC1, and 48.38 nM for HDAC6. It induces apoptosis and G0 G1 phase arrest through the HDAC-p21-CDK signaling pathway and can inhibit hepatocellular carcinoma.

Roccellic acid is a lichen secondary metabolite that has been found in R. montagnei and has antibacterial and anticancer activities.1,2 It is active against the bacteria S. gordonii and P. gingivalis (MIC = 46.9 μg/ml for both).1 Roccellic acid (100 μg/ml) inhibits proliferation of MDA-MB-231, MCF-7, and DLD-1 cancer cells by 65.3, 75.8, and 87.9%, respectively.2 |1. Sweidan, A., Chollet-Krugler, M., Sauvager, A., et al. Antibacterial activities of natural lichen compounds against Streptococcus gordonii and Porphyromonas gingivalis. Fitoterapia 121, 164-169 (2017).|2. Mishra, T., Shukla, S., Meena, S., et al. Isolation and identification of cytotoxic compounds from a fruticose lichen Roccella montagnei, and it's in silico docking study against CDK-10. Rev. Bras. Farmacogn. 27(6), 724-728 (2017).

CDK HDAC-IN-1 exhibits potent inhibitory activity towards CDK2 4 6 and HDAC6, with IC50 values of 60.9 ± 2.9 nM, 276 ± 22.3 nM, 27.2 ± 4.2 nM, and 128.6 ± 0.4 nM, respectively.

CDK7-IN-6 is a highly effective and specific inhibitor (IC50 ≤100 nM) of cyclin-dependent kinase 7 (CDK7). It showcases remarkable selectivity, with more than a 200-fold preference for CDK7 over CDK1, CDK2, and CDK5. This compound holds significant potential for cancer research purposes.

CDK4 6-IN-3, a brain-penetrant CDK4 CDK6 inhibitor (Kis: <0.3 nM and 2.2 nM), is used for the treatment of glioblastoma and inhibits CDK1 with a Ki of 110 nM.

CDK4 6-IN-2 is a potent inhibitor of CDK4 and CDK6 [IC50s: 2.7 and 16 nM].

CDK4 6-IN-14 is a potent, highly selective inhibitor of Cyclin-Dependent Kinases 4 and 6 (CDK4 6), with inhibition concentrations (IC50s) of 10 nM and 16 nM, respectively. It shows over 60-fold selectivity for CDK4 6 compared to CDKs 1, 2, 7, and 9, and exhibits significant selectivity against 205 other kinases.

CDK-IN-12 (Example 20), a CDK inhibitor, effectively inhibits CDK4 6, demonstrating IC50 values below 20 nM [1].