Most Axon Ligands™ in this category of compounds are labeled antipsychotic (typical, or atypical), since many of the common drugs to treat this class of mental disorders show affinity for both dopaminergic and serotonergic receptors (among several others). The first generation of antipsychotics (typical), developed in the 1950’s consisted of mainly phenothiazines (chlorpromazine)[1], and butyrophenones (haloperidol)[2]. Though still considered benchmark antipsychotics[3], they are known for there unwanted side effects such as dry mouth, extra pyramidal side effects, and tardive dyskinesia[4]. The atypical antipshychotics, or second generation antipsychotics, are less likely to cause the afore mentioned side effects, and improve the quality of live compared to the typical antipsychotics. However, this class of drugs is also far from free of side effects[5]. Among them, many Clozapine (Axon 1146) analogues, Aripiprazole (Axon 1143), and Ziprazidone (Axon 1446).
Based on a phylogenetic analysis, the family of serotonin (5-HT) receptors should be separated into two different classes among the subgroup of biogenic amine receptors of the rhodopsin-like family of GPCRs. The GPCR-A17 class includes all 5-HT2 and 5-HT6 receptors, while 5-HT1, 5-HT4 5HT-5 and 5HT7 receptors form an individual class: GPCR-A19[6].

5-HT receptor subtypes listed: 5-HT1A5-HT1B5-HT1D5-HT1F5-HT2 ,5-HT2A5-HT2C5-HT45-HT5A5-HT65-HT7

[1] Recherches sur les diméthylaminopropyl-N phénothiazines substituées. Charpentier P, Gailliot P, Jacob R, et al. Comptes rendus de l’Académie des sciences (Paris), 1952, 235, 59–60.
[2] Haloperidol: fifteen years of clinical experience. Ayd FJ. Diseases of the Nervous System 1972, 33, 459–69.
[3] Haloperidol versus chlorpromazine for treatment of schizophrenia. C. Leucht, M. Kitzmantel, L. Chua, J. Kane, and S. Leucht. Schizophr Bull 2008, 34, 813-815.
[4] Antipsychotics - the future of schizophrenia treatment. G. Beaumont. Curr Med Res Opin. 2000,16, 37-42.
[5] Side effects of atypical antipsychotics: a brief overview. A. Üçok and W. Gaebel. World Psychiatry. 2008, 7, 58–62.
[6] P. Joost, A. Methner. Phylogenetic analysis of 277 human G-protein-coupled receptors as a tool for the prediction of orphan receptor ligands. Gen. Biol. 2002, 3, 0063.

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Axon ID Name Description From price
1107 (+)-MDL 105725 5-HT2A antagonist €130.00
1108 (-)-MDL 105725 5-HT2A antagonist Inquire
1092 (-)-NPPCC 5-HT1A agonist Inquire
1359 (-)-WAY 100135 dihydrochloride 5-HT1A antagonist €95.00
1016 (R)-(+)-8-Hydroxy-DPAT hydrobromide 5-HT1A agonist €105.00
1058 (R)-(+)-8-Methoxy-2-aminotetraline hydrochloride Building Block; 5-HT1A agonist Inquire
1095 (R)-(-)-LY 426965 dihydrochloride 5-HT1A antagonist €115.00
1997 (R)-6-Hydroxybuspirone hydrochloride 5-HT1A partial agonist €105.00
1017 (S)-(-)-8-Hydroxy-DPAT hydrobromide 5-HT1A agonist €115.00
1059 (S)-(-)-8-methoxy-2-aminotetraline hydrochloride Building Block; 5-HT1A agonist Inquire
1998 (S)-6-Hydroxybuspirone hydrochloride 5-HT1A partial agonist €105.00
1341 (S)-WAY 100135 dihydrochloride 5-HT1A antagonist €95.00
1093 (±)-LY 426965 dihydrochloride 5-HT1A antagonist €115.00
1106 (±)-MDL 105725 5-HT2A antagonist €160.00
2811 25CN-NBOH hydrochloride Selective brain penetrant 5-HT2A receptor agonist €150.00
1575 5-HT6 antagonist 29 Selective brain penetrant 5-HT6 receptor antagonist €90.00
1068 6-Chloro-DPAT hydrochloride Bioactive tetralin derivative €105.00
1996 6-Hydroxybuspirone hydrochloride 5-HT1A partial agonist €135.00
1015 8-Hydroxy-DPAT hydrobromide 5-HT1A agonist €60.00
1057 8-Methoxy-2-aminotetralin hydrochloride Building Block; 5-HT1A agonist Inquire
1492 Agomelatine Melatonin agonist; 5-HT2C antagonist €75.00
1143 Aripiprazole Atypical antipsychotic €75.00
1503 Asenapine maleate Atypical antipsychotic €70.00
1153 B-HT 920 dihydrochloride D2 agonist, α2 adrenoceptor agonist; 5-HT3 antagonist €80.00
1508 Bifeprunox mesylate D2 agonist; 5-HT1A agonist €80.00
2353 Blonanserin Potent dopamine D2 and serotonin 5-HT2 antagonist €65.00
2335 Brexpiprazole dihydrochloride Drug candidate with high affinity for 5-HT1A, 5-HT2A, D2L, α1B, and α2C-adrenergic receptors €135.00
1995 Buspirone hydrochloride 5-HT1A partial agonist €50.00
1206 CGS 12066B 5-HT1B agonist €75.00
1146 Clozapine Atypical antipsychotic €50.00

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