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US 8,299,264 B2Granted
Method for producing oxadiazolinone compound and intermediate thereof
AssigneeSumitomo Chemical Company, Limited
InventorsKoji Hagiya, Yasutaka Aoyagi
Life of this patent
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Abstract
A compound represented by the formula (1): wherein Ar represents an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent, Ar′ represents an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent, and R represents an alkyl group having 1 to 4 carbon atoms.
Claims9
A compound represented by the formula (1):
- wherein Ar and Ar′ each independently represents an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent, and R represents an alkyl group having 1 to 4 carbon atoms.
A method for producing an oxadiazolinone compound represented by the formula (2):
- wherein Ar′ and R have the same meanings as defined below, which comprises step I of reacting a compound represented by the formula (3):
- wherein Ar′ represents an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent, and R represents an alkyl group having 1 to 4 carbon atoms, with a compound represented by the formula (4):
- ClCO2Ar (4)
- wherein Ar represents an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent;
- and step 11 of reacting a compound represented by the formula (1):
- wherein Ar and Ar′ each independently has the same meaning as defined above, which is obtained by step I, with a strong base.
3 more elements
A method for producing an oxadiazolinone compound represented by the formula (2):
- wherein Ar′ and R have the same meanings as defined below, which comprises a step of reacting a compound represented by the formula (1):
- wherein Ar and Ar′ each independently represent an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent, and R represents an alkyl group having 1 to 4 carbon atoms, with a strong base.
A method for producing a compound represented by the formula (1):
- wherein Ar, Ar′ and R have the same meanings as defined below, which comprises a step of reacting a compound represented by the formula (3):
- wherein Ar′ represents an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent, and R represents an alkyl group having 1 to 4 carbon atoms, with a compound represented by the formula (4):
- ClCO2Ar (4)
- wherein Ar represents an aromatic hydrocarbon group having 6 to 20 carbon atoms which may have a substituent.
1 more element
Dependencies are inferred from the claim text.