Journal : Bioorg Med Chem Lett
Title : Synthesis and pharmacological evaluation of 11-(1,6-dimethyl-1,2,3,6-tetrahydropyridin-4-yl)-5H-dibenzo[b,e][1,4]diazepines with clozapine-like receptor occupancy at dopamine D/D receptor.
Year : 2020
Volume : 30
Issue : 21.0
First Page : 127563
Last Page : 127563
Authors : Watanabe H,Ishida K,Yamamoto M,Horiguchi M,Isobe Y
Abstract : Clozapine-like compound without agranulocytosis risk is need to cure the treatment resistant schizophrenia (TRS). We discovered (S)-3 as Clozapine-like dopamine D/D receptor selectivity and improved reactive metabolites formation profile by the modification of piperazine moiety in Clozapine. The optimization of (S)-3 gave compound 5 to be best compound (approximately 10-fold stronger affinity for D/D receptor and similar D/D selectivity ratio with Clozapine). Clozapine-like D/D receptor occupancy profile was proved by in vivo evaluation. In addition, the reactive metabolites derived agranulocytosis risk of compound 5 was considered to be lower than Clozapine. The pharmacology detail of compound 5 is being investigated to develop it for TRS treatment.