Sulfur → Ethyl (7-methoxynaphthalen-1-yl)acetate

HRID 2399388Notes

Reaction equation

HRID 2399388 reaction equation
[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([CH2:7][CH2:8][CH2:9][C:10]2=[CH:13][C:14]([O:16][CH2:17][CH3:18])=[O:15])=[CH:5][CH:4]=1.[S]>C(OCC)(=O)C>[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([CH:7]=[CH:8][CH:9]=[C:10]2[CH2:13][C:14]([O:16][CH2:17][CH3:18])=[O:15])=[CH:5][CH:4]=1

Participants

4

Reactant 2

HCID 5362487SulfurHCID 53884445Ethyl (7-methoxy-1,2,3,4-tetrahydro-1-naphthylidene)acetate

Product 1

HCID 13570063Ethyl (7-methoxynaphthalen-1-yl)acetate

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Conditions

Temperature
215 °C

Procedure

50 g of ethyl 7-methoxy-1,2,3,4-tetrahydro-1-naphthylideneacetate are mixed with 7.35 g of sulphur, and the mixture is heated at 215° C. for 10 hours. It is cooled, 300 cm3 of ethyl acetate are added, and the mixture is stirred for 30 minutes and filtered. It is then dried. The resulting residue is used as such for the hydrolysis step.

Workup

  1. temperatureIt is cooled
  2. filtrationfiltered
  3. customIt is then dried
  4. customsuch for the hydrolysis step

Sources & evidence

ORD record
ord-b54f9ef2b56a45b5a86f92bab004d701
Source dataset
uspto-grants-1995_09
Patent number
US05449690

Reaction notes

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