p-Toluenesulfonic acid → 2(6-Carbethoxy-5-thiahexyl)-2-cyclopentenone

HRID 1448223Notes

Reaction equation

HRID 1448223 reaction equation
[C:1]([CH2:4][S:5][CH2:6][CH2:7][CH2:8][CH2:9][C:10]1[C:11](=[O:15])[CH2:12][CH2:13][CH:14]=1)([OH:3])=[O:2].[C:16]1(C)C=CC(S(O)(=O)=O)=C[CH:17]=1>C(O)C>[C:1]([CH2:4][S:5][CH2:6][CH2:7][CH2:8][CH2:9][C:10]1[C:11](=[O:15])[CH2:12][CH2:13][CH:14]=1)([O:3][CH2:16][CH3:17])=[O:2]

Participants

4

Reactant 2

HCID 6101p-Toluenesulfonic acidHCID 20465574HCID 20465574, compound

Product 1

HCID 217678252(6-Carbethoxy-5-thiahexyl)-2-cyclopentenone

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

In the manner described in Example 39, treatment of 2-(6-carboxy-5-thiahexyl)-2-cyclopentenone with p-toluenesulfonic acid in ethanol gives the subject ester as a yellow oil.

Sources & evidence

ORD record
ord-f261cff50d864634a57d71b507ee15d2
Source dataset
uspto-grants-1979_12
Patent number
US04179574

Reaction notes

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