Prepn: BE 633914; P. A. J. Janssen, US 3238216 (1963, 1966 both to Janssen). HPLC determn: A. H. Hikal, H. I. Al-Shoura, J. Liq. Chromatogr. 5, 2205 (1982). Metabolism in rat: J. P. P. Heykants, Life Sci. 8, Part I, 1029 (1969). Pharmacology: P. A. J. Janssen et al., Arzneim.-Forsch. 20, 1689 (1970). Calcium channel blocking activity: R. J. Gould et al., Proc. Natl. Acad. Sci. USA 80, 5122 (1983); J. P. Galizzi et al., ibid. 83, 7513 (1986). Clinical trials in schizophrenia: H. Immich et al., Arzneim.-Forsch. 20, 1699 (1970); G. Chouinard et al., J. Clin. Psychopharmacol. 6, 21 (1986).
Antipsychotic.
Antipsychotic