Sulfuric Acid → Naphthalene

HRID 1795368Notes

Reaction equation

HRID 1795368 reaction equation
C(O[CH:5]([CH3:7])[CH3:6])(C)C.C(O[C:12](=O)[CH3:13])(=O)C.S(=O)(=O)(O)O.S(=O)(=O)=O>O1CCOCC1.C1C=CC=CC=1.C1(C)C=CC=CC=1.ClC(Cl)Cl.C(OCC)(=O)C.C(Cl)Cl>[CH:7]1[C:5]2[C:6](=[CH:12][CH:13]=[CH:12][CH:13]=2)[CH:6]=[CH:5][CH:7]=1

Participants

11

Reactant 4

HCID 1118Sulfuric Acid2×HCID 7914Diisopropyl EtherHCID 7918Acetic AnhydrideHCID 24682Sulfur trioxide

Product 1

HCID 931Naphthalene

Reagents, catalysts & solvents 6

HCID 241BenzeneSolventHCID 1140TolueneSolventHCID 6212ChloroformSolventHCID 6344DichloromethaneSolventHCID 8857Ethyl AcetateSolventHCID 312751,4-DioxaneSolvent

Procedure

Methylene chloride, diisopropylether, ethyl acetate, trichloromethane, toluene, benzene, or 1,4-dioxane may be used instead of acetic acid anhydride, while fuming sulfuric acid, sulfur trioxide, chlorine sulfates or combinations thereof may be used as an alternative to concentrated sulfuric acid.

Sources & evidence

ORD record
ord-943c2c9fd37d4c138ea5fcb827ab669f
Source dataset
uspto-grants-2006_04
Patent number
US07026475B2

Reaction notes

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