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Triethylamine → 2-(4-Chloro-2-cyanato-phenoxy)-1-[4-(4-fluoro-benzyl)-(2R)-2-methyl-piperazin-1-yl]-ethanone

HRID 11723
Notes
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Reaction equation

HRID 11723 reaction equation
[Cl:1][C:2]1[CH:26]=[CH:25][C:5]([O:6][CH2:7][C:8]([N:10]2[CH2:15][CH2:14][N:13]([CH2:16][C:17]3[CH:22]=[CH:21][C:20]([F:23])=[CH:19][CH:18]=3)[CH2:12][C@H:11]2[CH3:24])=[O:9])=[C:4]([OH:27])[CH:3]=1.[CH2:28]([N:30](CC)CC)C.N#CBr>C(Cl)Cl>[Cl:1][C:2]1[CH:26]=[CH:25][C:5]([O:6][CH2:7][C:8]([N:10]2[CH2:15][CH2:14][N:13]([CH2:16][C:17]3[CH:22]=[CH:21][C:20]([F:23])=[CH:19][CH:18]=3)[CH2:12][C@H:11]2[CH3:24])=[O:9])=[C:4]([O:27][C:28]#[N:30])[CH:3]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 10476Cyanogen BromideHCID 696558562-(4-Chloro-2-hydroxy-phenoxy)-1-[4-(4-fluoro-benzyl)-(2R)-2-methyl-piperazin-1-yl]-ethanone

Product 1

HCID 696553652-(4-Chloro-2-cyanato-phenoxy)-1-[4-(4-fluoro-benzyl)-(2R)-2-methyl-piperazin-1-yl]-ethanone

Reagents, catalysts & solvents 1

HCID 6344Dichloromethane
Solvent

Conditions

Temperature
-5 °C

Procedure

To a solution of 2-(4-chloro-2-hydroxy-phenoxy)-1-[4-(4-fluoro-benzyl)-(2R)-2-methyl-piperazin-1-yl]-ethanone (0.168 g, 0.427 mmol) in methylene chloride (2 mL) was added triethylamine (0.12 mL, 0.86 mmol). The solution was cooled to −5° C. via an acetone/ice bath then cyanogen bromide was added (0.22 mL, 0.66 mmol). The reaction was stirred at −5° C. for 30 minutes then concentrated in vacuo to give the crude title compound which was taken directly on to the next step (0.17 g).

Workup

  1. concentrationthen concentrated in vacuo

Sources & evidence

ORD record
ord-43200a14bd5d42a5942f72c148bce99b
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07098212B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes