Takeshi Kamada

14C-labeling of a tetrahydroacridine, a novel CNS-selective cholinesterase inhibitor

Labelled organophosphorus pesticides. I. Synthesis of carbon‐14 labelled O,O‐dimethyl O‐(3‐methyl‐4‐nitrophenyl) phosphorothioate (sumithion®)

Synthesis of 7‐chloro‐1,3‐dihydro‐5‐(2‐fluorophenyl)‐1‐methyl‐2H‐1,4‐benzodiazepin‐2‐one‐5‐14C (fludiazepam‐14C)

Labelling of neuroleptic butyrophenones. 1. syntheses of haloperidol-14C and trifluperidol-14C

Synthesis of optically active cyphenothrin-14C. 14C-labelling at the carbonyl carbon.

Labelling of neuroleptic butyrophenones. II. Synthesis of 2′amino‐4′‐fluoro‐4‐[4‐hydroxy‐4‐(3‐trifluoromethylpfenyl)piperidino]butyrophenone‐(carbonyl‐14C)

Labelled organophosphorus pesticides. II. Synthesis of carbon-14 labelled N-sec-butyl O-ethyl O-(5-methyl–2-nitrophenyl) phosphoramidothioate (cremart®)

Synthesis of 14C-labelled propranolol hydrochloride, 1-isopropylamino-3-(1-naphthyloxy) propane-2-ol-1-14C hydrochloride.

Labelled organophosphorus pesticides IV. Syntheses of optically active O-aryl O-ethyl phenylphosphonothioates labelled with carbon-14

Synthesis of optically active cyphenothrin-14C. 14C-labelling at the cyano and the benzyl carbons.