tert-Butyl ((1R,4R)-4-(2-Hydroxyethyl)cyclohexyl)carbamate is an intermediate for the synthesis of Desmethyl Cariprazine Hydrochloride (D291365), a derivative of Cariprazine (C183490) which is an orally active D2/D3 dopamine receptor antagonist (1,2,3). Cariprazine is an antipsychotic drug candidate for the potential treatment of schizophrenia, bipolar mania and depression.