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Oxalyl chloride → 3-Chloro-4-(tetradecyloxy)benzoyl chloride

HRID 1728822
Notes
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Reaction equation

HRID 1728822 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]=1[O:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH3:25])[C:5](O)=[O:6].C(Cl)(=O)C([Cl:29])=O>C(Cl)(Cl)Cl.CN(C)C=O>[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]=1[O:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH3:25])[C:5]([Cl:29])=[O:6]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 65578Oxalyl chlorideHCID 190162833-Chloro-4-(tetradecyloxy)benzoic acid

Product 1

HCID 190162883-Chloro-4-(tetradecyloxy)benzoyl chlorideYield 97.3%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 6212ChloroformSolvent

Procedure

To a mixture of 50.0 g of product from Example 37 in 700 ml of chloroform and 10 drops of dimethylformamide is added, dropwise, 25.8 g of oxalyl chloride. The reaction is stirred at room temperature for 18 hours and concentrated in vacuo. The residue is dissolved in diethyl ether, filtered and concentrated in vacuo to give 51.1 g of the desired product as white crystals.

Workup

  1. additionis added
  2. concentrationconcentrated in vacuo
  3. dissolutionThe residue is dissolved in diethyl ether
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-f4e868508ea149bfbf3c1c1b149f138a
Source dataset
uspto-grants-1994_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05328921

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes