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Water → N-(((1-(2-Naphthalenylmethyl)-4-piperidinyl)amino)carbonyl)benzamide

HRID 3885
Notes
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Reaction equation

HRID 3885 reaction equation
[C:1]([NH:9][C:10](=[O:18])[NH:11][CH:12]1[CH2:17][CH2:16][NH:15][CH2:14][CH2:13]1)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Br[CH2:20][C:21]1[CH:30]=[CH:29][C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[CH:22]=1.C(N(CC)CC)C.O>CN(C)C=O>[C:1]([NH:9][C:10]([NH:11][CH:12]1[CH2:13][CH2:14][N:15]([CH2:20][C:21]2[CH:30]=[CH:29][C:28]3[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=3)[CH:22]=2)[CH2:16][CH2:17]1)=[O:18])(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 8471TriethylamineHCID 703202-BromomethylnaphthaleneHCID 126085824-Benzoylureidopiperidine

Product 1

HCID 72002N-(((1-(2-Naphthalenylmethyl)-4-piperidinyl)amino)carbonyl)benzamide

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent

Procedure

4-Benzoylureidopiperidine (1.28 g, 0.005 m), 2-(bromomethyl)naphthalene (1.1 g, 0.005 m) and triethylamine (0.6 g, 0.006 m) in dimethylformamide (25 cm3) were stirred at room temperature for 23 hours. Water was added and the precipitated solid filtered off and washed well with water. The solid was suspended in warm ethanol, acidified with ethanolic HCl and then heated until all the solid had dissolved. The title compound crystallised and was collected as the hydrochloride salt, hemihydrate (1.6 g), m.p. 232°-234° C.

Workup

  1. filtrationthe precipitated solid filtered off
  2. washwashed well with water
  3. temperatureheated until all the solid
  4. dissolutionhad dissolved
  5. customThe title compound crystallised
  6. customwas collected as the hydrochloride salt, hemihydrate (1.6 g), m.p. 232°-234° C.

Sources & evidence

ORD record
ord-b9ccee3c2bf64ab8b2bb177fb8f8050b
Source dataset
uspto-grants-1988_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04722930

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes