Dicarbine blocks dopamine receptors in various brain parts and prevents the depression of the conditioned defence reflexes caused by stimulation of the mesencephalic portion of the reticular formation. Dicarbine could be used to treat patients with schizophrenia and alcoholic psychosis in clinical[1][2].
Clozapine D8 (HF 1854 D8) is the deuterium labeled Clozapine. Clozapine, an antipsychotic, is a potent antagonist of dopamine and a number of other receptors, with a Ki of 9.5 nM for muscarinic M1 receptor. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM)[1][2][3][4].
ABT-670 is a selective, oral bioavailable agonist of dopamine D4 receptor, with EC50 of 89 nM, 160 nM, and 93 nM for human D4, ferret D4, and rat D4, respectively.
SCH-23390-d3 (R-(+)-SCH-23390-d3) hydrochloride is the deuterium labeled SCH-23390 hydrochloride. SCH-23390 hydrochloride (R-(+)-SCH-23390 hydrochloride) is a potent and selective dopamine D1-like receptor antagonist with Kis of 0.2 nM and 0.3 nM for the D1 and D5 receptor, respectively. SCH-23390 hydrochloride is a potent and high efficacy human 5-HT2C receptor agonist with a Ki of 9.3 nM. SCH-23390 hydrochloride also binds with high affinity to the 5-HT2 and 5-HT1C receptors. SCH-23390 hydrochloride inhibits G protein-coupled inwardly rectifying potassium (GIRK) channels with an IC50 of 268 nM[1][2][3].
Metoclopramide-d3 is deuterium labeled Metoclopramide. Metoclopramide is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis[1][2].
UNC9994 hydrochloride is a functionally selective, β-arrestin–biased dopamine D2 receptor (D2R) agonist that selectively activates β-arrestin recruitment and signaling. UNC9994 hydrochloride shows a binding affinity with a Ki of 79 nM for D2R. UNC9994 hydrochloride is also an antagonist of Gi-regulated cAMP production and partial agonist for D2R/β-arrestin-2 interactions. UNC9994 hydrochloride shows antipsychotic-like activity[1].
Perphenazine is a typical antipsychotic drug, inhibits 5-HT2Areceptor, Alpha-1A adrenergic receptor, Dopamine receptor D2/D3, D2L receptor, and Histamine H1 receptor, with Ki values of 5.6, 10, 0.765/0.13, 3.4, and 8 nM, respectively.
Etilevodopa (L-Dopa ethyl ester) hydrochloride, an ethyl-ester prodrug of Levodopa, is rapidly hydrolyzed to Levodopa and ethanol by nonspecific esterases in the gastrointestinal tract. Etilevodopa hydrochloride is used for the treatment of Parkinson disease (PD). Levodopa is the direct precursor of dopamine and is a suitable prodrug as it facilitates CNS penetration and delivers dopamine[1][2][3].
Zicronapine is an antipsychotic medication with a strong pro-cognitive effect in animal models and the potential to treat a number of neurological and psychiatric diseases. Zicronapine has potent antagonistic effects at dopamine D1/D2, and serotonin 5-HT2A receptors.
Dihydrexidine (DAR-100) is a high potent, selective and full efficacy D1 dopamine receptor agonist with an IC50 of 10 nM, and displays some affinity for the D2 receptor. Dihydrexidine (DAR-100) exhibits potent antiparkinsonian activity[1][2][3].
SKF83959 is a potent and selective dopamine D1-like receptor partial agonist. SKF83959 Ki values for rat D1, D5, D2 and D3 receptors are 1.18, 7.56, 920 and 399 nM, respectively. SKF83959 is a potent allosteric modulator of sigma (σ)-1 receptor. SKF83959 belongs to benzazepine family and has improvements on cognitive dysfunction. SKF83959 can be used for the research of Alzheimer's disease and depression[1][2][3][4].
PW0464, a nanomolar potent complete G protein biased ligand, is a noncatechol D1R agonist, with an EC50 of 5.8 nM (Gs-cAMP)[1].
Trimethobenzamide hydrochloride is a blocker of the D2 receptor. Trimethobenzamide is an antiemetic used to prevent nausea and vomiting.
PD-168077 maleate is a selective dopamine D4 receptor agonist, with a Ki of 9 nM.
(-)-GSK598809 is an isomer of GSK598809. GSK598809 is a potent and selective dopamine D3 Receptor (DRD3) antagonist.
(Rac)-Levomepromazine-d3 ((Rac)-Methotrimeprazine-d3) hydrochloride is a labelled racemic Methotrimeprazine, which is a phenothiazine which has antagonist actions at multiple neurotransmitter receptor sites, including dopaminergic, cholinergic, serotonin and histamine receptors[1][2].
Pipamperone (Floropipamide; McN-JR 3345) dihydrochloride is a high-affinity antagonist of 5-HT2A receptor (pKi=8.2) and D4 receptor (pKi=8.0) and a low-affinity antagonist of D2 receptor (pKi=6.7)[1].
Zicronapine (Lu 31-130) fumarate is an antipsychotic medication with a strong pro-cognitive effect in animal models and the potential to treat a number of neurological and psychiatric diseases. Zicronapine (Lu 31-130) fumarate has potent antagonistic effects at dopamine D1/D2, and serotonin 5-HT2A receptors[1][2].
PD 120697 is an orally active dopamine (DA) agonist. PD 120697 inhibits striatal DA synthesis, DA neuronal firing, spontaneous locomotor activity, and reverses Reserpine (HY-N0480)-induced depression[1].
Pramipexole dihydrochloride hydrate is a selective dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole dihydrochloride hydrate can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS). Pramipexole dihydrochloride hydrate can cross the blood-brain barrier (BBB)[1][2][3].
Propionylpromazine hydrochloride (Propiopromazine hydrochloride), a dopamine receptor D2 (DRD2) antagonist, can be used in the research of Parkinson disease[1].
Cinitapride is an orally active 5-HT4 agonist and D2 antagonist. Cinitapride shows gastroprotective properties on mucosal injury. Cinitapride can be used in functional dyspepsia (FD) and gastroesophageal reflux disease (GERD) research[1][2][3].
Sibenadet hydrochloride (AR-C68397AA) is a dual D2 dopamine receptor, beta2-adrenoceptor agonist with bronchodilator activity. Investigation in animal models of key chronic obstructive pulmonary disease (COPD) symptoms has demonstrated that Sibenadet hydrochloride effectively inhibits sensory nerve activity, thereby reducing reflex cough, mucus production and tachypnoea.
GBR 12783 is a specific, potent and selective dopamine uptake inhibitor that inhibits the [3H]dopamine uptake by rat and mice striatal synaptosomes with IC50s of 1.8 nM and 1.2 nM, respectively. GBR 12783 can improve memory performance and increase hippocampal acetylcholine release in rats[1][2].
Vanicoside E is an antioxidant and antitumor agent. Vanicoside E inhibits L-Tyrosine (HY-N0473) and L-DOPA (HY-N0304) with IC50s of 45.23 μM and 189.96 μM, respectively[1][2].
SKF 83822 is an atypical agonist of dopamine D1 receptor. SKF 83822 activates adenylyl cyclase, but not PLC. SKF 83822 is also proved to stimulate AC via cAMP production. SKF 83822 can be used for research of schizophrenia[1][2].
Thioridazine, an antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs)[1][2][3][4].
PZ-1190 is a multitarget ligand for serotonin and dopamine receptors with potential antipsychotic activity in rodents[1].
Ziprasidone D8 is deuterium labeled Ziprasidone, which is a combined 5-HT (serotonin) and dopamine receptor antagonist which exhibits potent effects of antipsychotic activity.
Zuclopenthixol-d4((Z)-Clopenthixol-d4) succinate salt is the deuterium labeled Zuclopenthixol. Zuclopenthixol is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist[1][2].