Bis-quaternary pyridinium-2-aldoxime salts and a process for...

Details Bis-quaternary pyridinium-2-aldoxime salts and a process for... Bis-quaternary pyridinium-2-aldoxime salts and a process for...

C - Chemistry, Metallurgy

07

D

260/263, 260/277

C07D 213/78 (2006.01) C07D 213/53 (2006.01) C07D 213/79 (2006.01) C07D 213/81 (2006.01)

Patent

CA 1070307

ABSTRACT OF THE DISCLOSURE Bis-quaternary pyridinium-2-aldoxime salts or the formula Image 2X? wherein: R is -CO-R1, -CO-NR2R3 or -COOR4: R1 is alkyi of 1 - 6 carbon atoms, cyclohexyl, Ar or benzyl, R2 is H, alkyl of 1 - 6 carbon atoms, cyclohexyl, Ar, aralkyl of 7 - 13 carbon atoms or 2-pyrimidyl, R3 is alkyl of 2 - 6 carbon atoms, cyclohexyl, Ar, aralkyl of 7 - 13 carbon atoms or 2-pyrimidyl, R4 is alkyl of 2 - 6 carbon atoms, cyclohexyl, Ar or Benzyl, Ar is phenyl or phenyl monosubstituted or polysubstituted by alkyl of 1 - 4 carbon atoms, methoxy, C1, or naphthyl and X is C1, Br or I, or wherein R is -CO-R1, R1 is alkyl of 1 - 6 carbon atoms, cyclohexyl, Ar or benzyl, Ar is phenyl, naphthyl or phenyl substituted by up to 5 of alkyl of 1 - 4 carbon atoms, methoxy or C1; and X is C1, Br or I; or R is -CO-NR2R3, wherein R2 is H, cyclohexyl, Ar, aralkyl of 7 - 13 carbon atoms, R3 is alkyl of 2 - 6 carbon atoms, cyclohexyl, Ar or aralkyl of 7 - 13 carbon atoms, Ar is phenyl, naphthyl or phenyl substituted by up to 5 of alkyl of 1 - 4 carbon atoms, methoxy or C1, and X is C1, Br or I, or R is -COOR4, wherein R4 is n-propyl, n-butyl, t-butyl, cyclohexyl, Ar or benzyl, Ar is phenyl, naphthyl or phenyl substituted by up to 5 of alkyl of 1 - 4 carbon atoms, methoxy or C1. and X is C1, Br or I, are antidotes for phosphorus-containing pesticides and chemical warfare agents. They are thus effective against poisoning caused by Soman and other cholinesterase inhibitors.

276042

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