Reaktion #64561

Reaktionsgleichung

methyl 4-chloro-3-hydrazinobenzoate

Methyl 4-Chloro-3-hydrazinobenzoate

ethyl N-carbethoxyvalerimidate

Ethyl N-Carbethoxyvalerimidate

CH2Cl2

→

title compound

Ausbeute 37.0%

5-n-Butyl-2-[2-chloro-5-(methoxycarbonyl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one

Ausbeute 37.0%

Lösungsmittel

MeOH

Reaktionsbedingungen

Vorschrift

By the procedure of Example 4, Step C, the title compound was prepared from methyl 4-chloro-3-hydrazinobenzoate (from Step B) and ethyl N-carbethoxyvalerimidate (from Example 4, Step B) in 37% yield as an orange gum (TLC in 95:5 CH2Cl2 --MeOH), mass spectrum (FAB) m/e 310 (M+1)+.

Quelle