Hydrochloric Acid → 4-((Dimethylamino)methyl)-4-piperidinol dihydrochloride

HRID 1681603Notes

Reaction equation

HRID 1681603 reaction equation
[CH3:1][N:2]([CH2:4][C:5]1([OH:16])[CH2:10][CH2:9][N:8](C(OCC)=O)[CH2:7][CH2:6]1)[CH3:3].[ClH:17]>>[ClH:17].[ClH:17].[CH3:3][N:2]([CH2:4][C:5]1([OH:16])[CH2:6][CH2:7][NH:8][CH2:9][CH2:10]1)[CH3:1]

Participants

3

Reactant 2

HCID 313Hydrochloric AcidHCID 19382159HCID 19382159, compound

Product 1

HCID 193822164-((Dimethylamino)methyl)-4-piperidinol dihydrochloride

Procedure

4.5 g (19.4 mmol) of ethyl 4-dimethylaminomethyl-4-hydroxypiperidine-1-carboxylate are heated overnight under reflux with 35 ml of concentrated hydrochloric acid. The product is concentrated, and the crystals are triturated with acetone, filtered off with suction and dried in a vacuum desiccator over P4O10.

Workup

  1. concentrationThe product is concentrated
  2. customthe crystals are triturated with acetone
  3. filtrationfiltered off with suction
  4. dry with materialdried in a vacuum desiccator over P4O10

Sources & evidence

ORD record
ord-9751c57246f043a7b0ae33d318e7a896
Source dataset
uspto-grants-1992_12
Patent number
US05173484

Reaction notes

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