Nitric Acid → HCID 12877071, compound

HRID 1164227Notes

Reaction equation

HRID 1164227 reaction equation
[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([N:10]2[C:14]([CH2:15][CH2:16][CH3:17])=[N:13][C:12]([SH:18])=[N:11]2)=[CH:6][CH:5]=1)([O-:3])=[O:2].[N+:19]([O-:22])(O)=[O:20]>O>[N+:1]([C:4]1[CH:5]=[CH:6][C:7]([N:10]2[C:14]([CH2:15][CH2:16][CH3:17])=[N:13][C:12]([S:18][S:18][C:12]3[N:13]=[C:14]([CH2:15][CH2:16][CH3:17])[N:10]([C:7]4[CH:8]=[CH:9][C:4]([N+:19]([O-:22])=[O:20])=[CH:5][CH:6]=4)[N:11]=3)=[N:11]2)=[CH:8][CH:9]=1)([O-:3])=[O:2]

Participants

4

Conditions

Temperature
60 °C

Procedure

A mixture of 35 parts of 1-(4-nitrophenyl)-5-propyl-1H-1,2,4-triazole-3-thiol, 83 parts of concentrated nitric acid solution and 150 parts of water is stirred and warmed to 60° C. While stirring, the mixture is allowed to cool to room temperature and the whole is further stirred overnight at room temperature. The precipitated product is filtered off, washed with water and added to a hot solution of 20 parts of potassium carbonate in 200 parts of water at 100° C. The reaction mixture is allowed to cool to room temperature while stirring. The precipitated product is filtered off, dried and crystallized from a mixture of 4-methyl-2-pentanone and 2,2'-oxybispropane. The product is filtered off and recrystallized from 4-methyl-2-pentanone, yielding 19.8 parts of 3,3'-dithiobis[1-(4-nitrophenyl)-5-propyl-1H-1,2,4-triazole]; mp. 171.5° C.

Workup

  1. stirringWhile stirring
  2. temperatureto cool to room temperature
  3. filtrationThe precipitated product is filtered off
  4. washwashed with water
  5. additionadded to a hot solution of 20 parts of potassium carbonate in 200 parts of water at 100° C
  6. temperatureto cool to room temperature
  7. stirringwhile stirring
  8. filtrationThe precipitated product is filtered off
  9. customdried
  10. customcrystallized from a mixture of 4-methyl-2-pentanone and 2,2'-oxybispropane
  11. filtrationThe product is filtered off
  12. customrecrystallized from 4-methyl-2-pentanone

Sources & evidence

ORD record
ord-5ef6472b12b7498f82816729dc62f238
Source dataset
uspto-grants-1983_01
Patent number
US04368200

Reaction notes

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