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

Labelled organophosphorus pesticides. II

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

✍ Akira Yoshitake; Fumiaki Shono; Takeshi Kamada; Iwao Nakatsuka 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 French ⚖ 260 KB 👁 1 views

## Abstract N‐sec‐Butyl O‐ethyl O‐(5‐methyl–2‐nitrophenyl) phosphoramidothioate (Cremart) (I), an organophosphorus herbicide, was labelled with carbon‐14 at the aryl methyl group for metabolic studies. The synthetic procedures are shown in Fig. 1. 1‐Methoxy‐3‐methyl‐^14^C‐benzene was nitrated with