Novel 1,3-selenazolin derivatives and process for preparing the same
AssigneeGifu University
InventorsMamoru Koketsu, Hideharu Ishihara
Life of this patent
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Abstract
A process for preparing novel 1,3-selanazolin derivatives represented by chemical formula 1 at high yield. This process includes a step of reacting a selenourea and an α-haloacyl halide in a solvent and in the presence of a catalyst. 1
Claims13
1,3-Selenazolin derivatives represented by the following chemical formula 1,
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- wherein R1, R2, R3 and R4 each denote one of hydrogen, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 30 carbon atoms, alkynyl group having 1 to 30 carbon atoms, aryl group having 1 to 30 carbon atoms, alkoxide group having 1 to 30 carbon atoms, acyl group having 1 to 30 carbon atoms, alkylthio group having 1 to 30 carbon atoms, arylthio group having 1 to 30 carbon atoms and alkoxycarbonyl group having 1 to 30 carbon atoms.
A process for preparing 1,3-selenazolin derivatives comprising a step of reacting a selenourea represented by the following chemical formula 2 and an α-haloacyl halide represented by the following chemical formula 3 in a solvent and in the presence of a catalyst,
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- wherein R1 and R2 in the chemical formula 2 each denote one of hydrogen, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 30 carbon atoms, alkynyl group having 1 to 30 carbon atoms, aryl group having 1 to 30 carbon atoms, alkoxide group having 1 to 30 carbon atoms, acyl group having 1 to 30 carbon atoms, alkylthio group having 1 to 30 carbon atoms, arylthio group having 1 to 30 carbon atoms and alkoxycarbonyl group having 1 to 30 carbon atoms, and wherein X in the chemical formula 3 denotes halogen, and R3 and R4 each denote one of hydrogen, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 30 carbon atoms, alkynyl group having 1 to 30 carbon atoms, aryl group having 1 to 30 carbon atoms, alkoxide group having 1 to 30 carbon atoms, acyl group having 1 to 30 carbon atoms, alkylthio group having 1 to 30 carbon atoms, arylthio group having 1 to 30 carbon atoms and alkoxycarbonyl group having 1 to 30 carbon atoms.
A medicament containing 1,3-Selenazolin derivatives represented by the following chemical formula 1,
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- wherein R1, R2, R3 and R4 each denote one of hydrogen, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 30 carbon atoms, alkynyl group having 1 to 30 carbon atoms, aryl group having 1 to 30 carbon atoms, alkoxide group having 1 to 30 carbon atoms, acyl group having 1 to 30 carbon atoms, alkylthio group having 1 to 30 carbon atoms, arylthio group having 1 to 30 carbon atoms and alkoxycarbonyl group having 1 to 30 carbon atoms.
An agricultural chemical composition containing 1,3-Selenazolin derivatives represented by the following chemical formula 1,
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- wherein R1, R2, R3 and R4 each denote one of hydrogen, alkyl group having 1 to 30 carbon atoms, cycloalkyl group having 1 to 30 carbon atoms, alkynyl group having 1 to 30 carbon atoms, aryl group having 1 to 30 carbon atoms, alkoxide group having 1 to 30 carbon atoms, acyl group having 1 to 30 carbon atoms, alkylthio group having 1 to 30 carbon atoms, arylthio group having 1 to 30 carbon atoms and alkoxycarbonyl group having 1 to 30 carbon atoms.
Dependencies are inferred from the claim text.