Acetic Anhydride → 1-Acetamino-5-chloronaphthalene

HRID 723651Notes

Reaction equation

HRID 723651 reaction equation
[Cl:1][C:2]1[C:11]2[C:6](=[C:7]([N+:12]([O-])=O)[CH:8]=[CH:9][CH:10]=2)[CH:5]=[CH:4][CH:3]=1.[CH3:15][C:16](OC(C)=O)=[O:17]>CC(O)=O.[Fe]>[NH:12]([C:7]1[C:6]2[C:11](=[C:2]([Cl:1])[CH:3]=[CH:4][CH:5]=2)[CH:10]=[CH:9][CH:8]=1)[C:16]([CH3:15])=[O:17]

Participants

5

Reactant 2

HCID 7918Acetic AnhydrideHCID 132457431-Chloro-5-nitronaphthalene

Product 1

HCID 218748441-Acetamino-5-chloronaphthaleneYield 95.1%

Reagents, catalysts & solvents 2

HCID 23925IronCatalystHCID 176Acetic AcidSolvent

Procedure

The above synthesized 1-chloro-5-nitronaphthalene (540 mg, 2.6 mmol) was dissolved in 10 mL AcOH, followed by treatment with 415 mg (7.43 mmol) iron powder and subsequently acylated with Ac2O (0.26 mL, 2.73 mmol) according to the procedure described in Example 209A to give 543 mg (95%) of 1-acetamino-5-chloronaphthalene.

Sources & evidence

ORD record
ord-419f4b78394f44d4b55891ebb6a4e709
Source dataset
uspto-grants-2006_11
Patent number
US07141578B2

Reaction notes

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