Ethanol → 6-Benzenesulfonyl-1,2,3,4-tetrahydro-naphthalene-1-carbonitrile

HRID 971281Notes

Reaction equation

HRID 971281 reaction equation
[C:1]1([S:7]([C:10]2[CH:11]=[C:12]3[C:17](=[CH:18][CH:19]=2)[C:16]([C:20]#[N:21])=[CH:15][CH2:14][CH2:13]3)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.CCO.[H][H]>[Pd].C(O)(=O)C>[C:1]1([S:7]([C:10]2[CH:11]=[C:12]3[C:17](=[CH:18][CH:19]=2)[CH:16]([C:20]#[N:21])[CH2:15][CH2:14][CH2:13]3)(=[O:9])=[O:8])[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

Participants

6

Reactant 3

HCID 702EthanolHCID 590217566-Benzenesulfonyl-3,4-dihydro-naphthalene-1-carbonitrileHCID 178418361HCID 178418361, compound

Product 1

HCID 590217496-Benzenesulfonyl-1,2,3,4-tetrahydro-naphthalene-1-carbonitrileYield 90.1%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 176Acetic AcidSolvent

Procedure

6-Benzenesulfonyl-3,4-dihydro-naphthalene-1-carbonitrile (5.1 g, 17.2 mmol), 70 mL EtOH, and 50 mL acetic acid were placed in a Parr vessel, and 1.0 g of 10% Palladium on carbon (Fluka Chemica Co.) was added. The reaction mixture was shaken for 15 hours under 55 psi hydrogen. The Parr vessel was purged with nitrogen and the reaction mixture was filtered. The filtrate was added to 500 mL water, and the aqueous mixture was extracted twice with 200 mL of EtOAc. The combined organic layers were dried (MgSO4) and evaporated to yield 4.6 g (15.5 mmol, 90%) of 6-benzenesulfonyl-1,2,3,4-tetrahydro-naphthalene-1-carbonitrile as an oil. MS: 298 (M+H)+.

Workup

  1. additionwas added
  2. customThe Parr vessel was purged with nitrogen
  3. filtrationthe reaction mixture was filtered
  4. additionThe filtrate was added to 500 mL water
  5. extractionthe aqueous mixture was extracted twice with 200 mL of EtOAc
  6. dry with materialThe combined organic layers were dried (MgSO4)
  7. customevaporated

Sources & evidence

ORD record
ord-8988ec30001f49d286b93f3075f5b91a
Source dataset
uspto-grants-2007_12
Patent number
US07312359B2

Reaction notes

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