Pyridine derivative production method
A method in which a pyridinium derivative such as 1,3-dimethyl-2,3-dihydro-2-oxopyrimidinium chloride is reacted with an acetyl compound such as 4-acetylpyridine, and then the reaction product is reacted with ammonia or an ammonium salt.
1. A method for producing a pyridine derivative represented by formula (III) below, the method comprising reacting a pyrimidinium derivative represented by formula (I) below, an acetyl compound represented by formula (II) below and an ammonia or an ammonium salt:
wherein R1 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, alkylthio group, arylthio group, formyl group, carboxyl group, carbonyl group, thiocarbonyl group, sulfo group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group, ureido group, carbonylamino group, sulfonylamino group, cyano group, halogen atom or hetero ring;
R2 represents alkyl group, alkenyl group, alkynyl group, aryl group, carbonyl group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group, ureido group, carbonylamino group, sulfonylamino group, cyano group or hetero ring;
R3 represents alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, alkylthio group, arylthio group, carbonyl group, oxycarbonyl group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group, ureido group, carbonylamino group, sulfonylamino group, nitro group, cyano group, hetero ring or halogen atom;
R4 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, amino group, formyl group, carboxyl group, carbonyl group, oxycarbonyl group, sulfo group, sulfonyl group, carbamoyl group, sulfamoyl group, cyano group or hetero ring;
R5 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, formyl group, carboxyl group, carbonyl group, oxycarbonyl group, sulfonyl group, alkylthio group, arylthio group, carbamoyl group, sulfamoyl group, nitro group, cyano group, hetero ring or halogen atom, wherein R4 and R5 may be bonded to form a ring consisting of at least one non-metallic atom, the ring including the carbon atoms to which R4 and R5 are bonded;
Y represents oxygen atom, sulfur atom, selenium atom or —N(R6);
R6 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, carbonyl group, oxycarbonyl group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group or hetero ring, wherein R6 may be bonded with R2 or R3 to form a hetero ring including the nitrogen atom to which R2 or R3 is bonded; and
X − represents an anion.
2. The method for producing the pyridine derivative according to claim 1 ,
wherein an amount of the pyrimidinium derivative is from 0.5 to 6.0 mol based on 1 mol of the acetyl compound.
3. The method for producing the pyridine derivative according to claim 1 , further comprising:
reacting at least one of a bisacetal compound represented by formula (IV) below and an acrolein compound represented by formula (V) below with a urea compound represented by formula (VI) below to produce the pyrimidinium derivative represented by formula (I); and
reacting the pyrimidinium derivative with the acetyl compound represented by formula (II) in a one-pot process:
wherein R1 or R3 and Y are the same as defined in claim 1 ;
R7 to R10 each independently represents alkyl group, wherein two of R7 to R10 may be bonded to form a ring consisting of at least one non-metallic atom, the ring including the oxygen atoms to which said two of R7 to R10 are bonded; and
R11 represents alkoxy group, aryloxy group, di-substituted amino group or hetero ring.
4. A method for producing a pyridine derivative represented by formula (III) below, the method comprising a simultaneous reaction with at least one of a bisacetal compound represented by (IV) below, an acrolein compound represented by formula (V) below and a malonaldehyde compound formula (VII) below, with a urea compound represented by formula (VI) below and an acetyl compound represented by formula (II) below:
wherein R1 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, alkylthio group, arylthio group, formyl group, carboxyl group, carbonyl group, thiocarbonyl group, sulfo group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group, ureido group, carbonylamino group, sulfonylamino group, cyano group, halogen atom or hetero ring;
R2 represents alkyl group, alkenyl group, alkynyl group, aryl group, carbonyl group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group, ureido group, carbonylamino group, sulfonylamino group, cyano group or hetero ring;
R3 represents alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, alkylthio group, arylthio group, carbonyl group, oxycarbonyl group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group, ureido group, carbonylamino group, sulfonylamino group, nitro group, cyano group, hetero ring or halogen atom;
R4 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, amino group, formyl group, carboxyl group, carbonyl group, oxycarbonyl group, sulfo group, sulfonyl group, carbamoyl group, sulfamoyl group, cyano group or hetero ring;
R5 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, formyl group, carboxyl group, carbonyl group, oxycarbonyl group, sulfonyl group, alkylthio group, arylthio group, carbamoyl group, sulfamoyl group, nitro group, cyano group, hetero ring or halogen atom, wherein R4 and R5 may be bonded to form a ring consisting of at least one non-metallic atom, the ring including the carbon atoms to which R4 and R5 are bonded;
Y represents oxygen atom, sulfur atom, selenium atom or —N(R6);
R6 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, carbonyl group, oxycarbonyl group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group or hetero ring , wherein R6 may be bonded with R2 or R3 to form a hetero ring including the nitrogen atom to which R2 or R3 is bonded;
R7 to R10 each independently represents alkyl group, wherein two of R7 to R10 may be bonded to form a ring consisting of at least one non-metallic atom, the ring including the oxygen atoms to which said two of R7 to R10 are bonded; and
R11 represents alkoxy group, aryloxy group, di-substituted amino group or hetero ring.
5. The method for producing the pyridine derivative according to claim 4 ,
wherein an amount of the urea compound is from 0.001 to 10 mol based on 1 mol of the acetyl compound.
6. The method for producing the pyridine derivative according to claim 4 ,
wherein an amount of said at least one of the bisacetal compound, the acrolein compound and the malonaldehyde compound is from 0.1 to 10 mol based on 1 mol of the acetyl compound.
7. A method for producing a pyridine derivative represented by formula (III) below, the method comprising reacting at least one of a pyrimidone compound represented by formula (VIII) below and a pyrimidine compound represented by formula (IX) below, an acetyl compound represented by formula (II) below and an ammonia or an ammonium salt:
wherein R1 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, alkylthio group, arylthio group, formyl group, carboxyl group, carbonyl group, thiocarbonyl group, sulfo group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group, ureido group, carbonylamino group, sulfonylamino group, cyano group, halogen atom or hetero ring;
R4 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, amino group, formyl group, carboxyl group, carbonyl group, oxycarbonyl group, sulfo group, sulfonyl group, carbamoyl group, sulfamoyl group, cyano group or hetero ring;
R5 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, alkoxy group, aryloxy group, carbonyloxy group, formyl group, carboxyl group, carbonyl group, oxycarbonyl group, sulfonyl group, alkylthio group, arylthio group, carbamoyl group, sulfamoyl group, nitro group, cyano group, hetero ring or halogen atom, wherein R4 and R5 may be bonded to form a ring consisting of at least one non-metallic atoms, the ring including the carbon atoms to which R4 and R5 are bonded;
Y represents oxygen atom, sulfur atom, selenium atom or —N(R6);
R6 represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, hydroxyl group, carbonyl group, oxycarbonyl group, sulfonyl group, carbamoyl group, sulfamoyl group, amino group or hetero ring, wherein R6 may be bonded with R2 or R3 to form a hetero ring including the nitrogen atom to which R2 or R3 is bonded;
R12 represents carbonyl group, sulfonyl group, carbamoyl group or sulfamoyl group;
Z represents oxygen atom, sulfur atom, selenium atom or —N(R13); and
R13 represents alkyl group, alkenyl group, alkynyl group or aryl group.
8. The method for producing the pyridine derivative according to claim 7 ,
wherein an amount of said at least one of the pyrimidone compound and the pyrimidine compound is from 0.5 to 6.0 mol based on 1 mol of the acetyl compound.