Phosphoric Acid → HCID 178443024, compound

HRID 1706385Notes

Reaction equation

[CH2:1]([N:17]1[C:21]([CH3:22])=[CH:20][CH:19]([CH3:23])[N:18]1[CH3:24])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16].[P:25](=[O:29])([OH:28])([OH:27])[OH:26]>>[P:25]([O-:29])([O-:28])([O-:27])=[O:26].[CH2:1]([N+:17]1[N:18]([CH3:24])[C:19]([CH3:23])=[CH:20][C:21]=1[CH3:22])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16].[CH2:1]([N+:17]1[N:18]([CH3:24])[C:19]([CH3:23])=[CH:20][C:21]=1[CH3:22])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16].[CH2:1]([N+:17]1[N:18]([CH3:24])[C:19]([CH3:23])=[CH:20][C:21]=1[CH3:22])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16]

Participants

Reactant 2

HCID 1004Phosphoric Acid

HCID 86249123HCID 86249123, compound

Product 1

HCID 178443024HCID 178443024, compound

Procedure

When 1-hexadecyl-2,3,5-trimethyl-pyrazole methosulfate is treated with a strongly basic ion exchanger (e.g., Amberlite IRA-401), the corresponding quaternary base is released. By adding phosphoric acid, 1-hexadecyl-2,3,5-trimethyl-pyrazolium phosphate is obtained; m.p. 96°-100° C.

Sources & evidence

ORD record: ord-175e66749b0b48db80e3a35c9f6ad0fa
Source dataset: uspto-grants-1980_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04207326

Reaction notes

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