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Potassium Iodide → cis-N-[1-[3-(4-fluorophenoxy)propyl]-3-hydroxy-4-piperidinyl]benzamide

HRID 345588
Notes
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Reaction equation

HRID 345588 reaction equation
Cl[CH2:2][CH2:3][CH2:4][O:5][C:6]1[CH:11]=[CH:10][C:9]([F:12])=[CH:8][CH:7]=1.[OH:13][C@H:14]1[C@@H:19]([NH:20][C:21](=[O:28])[C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[CH2:18][CH2:17][NH:16][CH2:15]1.C(=O)([O-])[O-].[Na+].[Na+].[I-].[K+]>CC(C)CC(=O)C>[F:12][C:9]1[CH:10]=[CH:11][C:6]([O:5][CH2:4][CH2:3][CH2:2][N:16]2[CH2:17][CH2:18][C@H:19]([NH:20][C:21](=[O:28])[C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)[C@H:14]([OH:13])[CH2:15]2)=[CH:7][CH:8]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 4875Potassium IodideHCID 10340Sodium CarbonateHCID 743911-(3-Chloropropoxy)-4-fluorobenzeneHCID 15096814cis-N-(3-hydroxy-4-piperidinyl)benzamide

Product 1

HCID 15096855cis-N-[1-[3-(4-fluorophenoxy)propyl]-3-hydroxy-4-piperidinyl]benzamideYield 57%

Reagents, catalysts & solvents 1

HCID 7909Methyl Isobutyl KetoneSolvent

Procedure

A mixture of 4.1 parts of 1-(3-chloropropoxy)-4-fluorobenzene, 4.4 parts of cis-N-(3-hydroxy-4-piperidinyl)benzamide, 3.8 parts of sodium carbonate, 0.1 parts of potassium iodide and 160 parts of 4-methyl-2-pentanone was stirred and refluxed for 20 hours. The reaction mixture was cooled to room temperature and washed with water. The organic phase was dried, filtered and evaporated. The residue was crystallized from 2-propanol, yielding 4.2 parts (57%) of cis-N-[1-[3-(4-fluorophenoxy)propyl]-3-hydroxy-4-piperidinyl]benzamide; mp. 130.5° C. (compound 72).

Workup

  1. temperaturerefluxed for 20 hours
  2. washwashed with water
  3. customThe organic phase was dried
  4. filtrationfiltered
  5. customevaporated
  6. customThe residue was crystallized from 2-propanol

Sources & evidence

ORD record
ord-45006ab56542448fa70169ac054a4fb1
Source dataset
uspto-grants-1991_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05057525

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes