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Isopropanol → 2-(4-Bromophenyl)-4-(4-(heptyloxy)phenyl)thiazole

HRID 1622995
Notes
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Reaction equation

HRID 1622995 reaction equation
Br[CH2:2][C:3]([C:5]1[CH:10]=[CH:9][C:8]([O:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH3:18])=[CH:7][CH:6]=1)=O.[Br:19][C:20]1[CH:28]=[CH:27][C:23]([C:24](=[S:26])[NH2:25])=[CH:22][CH:21]=1.C(O)(C)C>CCO>[Br:19][C:20]1[CH:28]=[CH:27][C:23]([C:24]2[S:26][CH:2]=[C:3]([C:5]3[CH:10]=[CH:9][C:8]([O:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH3:18])=[CH:7][CH:6]=3)[N:25]=2)=[CH:22][CH:21]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 3776IsopropanolHCID 15492894-BromothiobenzamideHCID 539091862-Bromo-1-(4-(heptyloxy)phenyl)ethanone

Product 1

HCID 866896652-(4-Bromophenyl)-4-(4-(heptyloxy)phenyl)thiazoleYield 52%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

To a stirring solution of 2-bromo-1-(4-(heptyloxy)phenyl)ethanone INT-4 (1.37 g, 4.38 mmol) in EtOH (10 mL) were added 4-bromobenzothioamide (0.95 g, 4.38 mmol) and isopropanol (10 mL). The reaction mixture was stirred at RT for 16 h. The solid was isolated by filtration, washed with EtOH (5 mL) then taken up in DCM (10 mL) and NaHCO3 (20 mL) and stirred for 1 h at RT. The solid was isolated by filtration, washed with water (2×10 mL) and acetonitrile (2×4 mL) then dried to afford 1.02 g (52%) of 2-(4-bromophenyl)-4-(4-(heptyloxy)phenyl)thiazole as a white micro-crystalline solid. LCMS-ESI (m/z) calculated for C22H24BrNOS: 429.1; found 430.0 [M+H]+, tR=3.20 min. (Method 4).

Workup

  1. customThe solid was isolated by filtration
  2. washwashed with EtOH (5 mL)
  3. stirringNaHCO3 (20 mL) and stirred for 1 h at RT
  4. customThe solid was isolated by filtration
  5. washwashed with water (2×10 mL) and acetonitrile (2×4 mL)
  6. customthen dried

Sources & evidence

ORD record
ord-b9aff25c93a04979904966e51c0925e8
Source dataset
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08778923B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes