Reaction #95265

ord-e13721702b314b29a4df46d3240bde12

Reaction equation

O=C(O)CSCCCCC1=CCCC1=O
2-(6-carboxy-5-thiahexyl)-2-cyclopentenone
Cc1ccc(S(=O)(=O)O)cc1
p-toluenesulfonic acid
→
CCOC(=O)CSCCCCC1=CCCC1=O
ester
CCOC(=O)CSCCCCC1=CCCC1=O
2-(6-carbethoxy-5-thiahexyl)-2-cyclopentenone

Reactants

O=C(O)CSCCCCC1=CCCC1=O
2-(6-carboxy-5-thiahexyl)-2-cyclopentenone
Cc1ccc(S(=O)(=O)O)cc1
p-toluenesulfonic acid

Reagents

None

Solvents

CCO
ethanol

Conditions

Detailed conditions
See reaction.notes.procedure_details.

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.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US04343949uspto-grants-1982_08