| | Identification | Back Directory |  | [Name] 
 3-PYRIDINECARBOXAMIDE, 4-(2-METHYLPHENYL)-6-(4-METHYL-1-PIPERAZINYL)-
 |  | [CAS] 
 342417-01-0
 |  | [Synonyms] 
 Netupitant int5
 6-(4-METHYLPIPERAZIN-1-YL)-4-O-TOLYLNICOTINAMIDE
 6-(4-Methyl-1-piperazinyl)-4-(o-tolyl)nicotinamide
 6-(4-Methylpiperazin-1-yl)-4-(2-methylphenyl)nicotinamide
 4-(2-methylphenyl)-6-(4-methylpiperazinyl)-3-pyridinecarboxamide
 4-(2-Methylphenyl)-6-(4-methyl-1-piperazinyl)-3-pyridinecarboxamide
 4-(2-methylphenyl)-6-(4-methylpiperazin-1-yl)pyridine-3-carboxamide
 3-PYRIDINECARBOXAMIDE, 4-(2-METHYLPHENYL)-6-(4-METHYL-1-PIPERAZINYL)-
 3-PYRIDINECARBOXAMIDE, 4-(2-METHYLPHENYL)-6-(4-METHYL-1-PIPERAZINYL)-C32
 |  | [Molecular Formula] 
 C18H22N4O
 |  | [MDL Number] 
 MFCD11113419
 |  | [MOL File] 
 342417-01-0.mol
 |  | [Molecular Weight] 
 310.39
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 164-165℃
 |  | [Boiling point ] 
 498.1±45.0 °C(Predicted)
 |  | [density ] 
 1.165
 |  | [storage temp. ] 
 Sealed in dry,2-8°C
 |  | [pka] 
 15.82±0.50(Predicted)
 |  | [Appearance] 
 White to off-white Solid
 |  | [InChI] 
 InChI=1S/C18H22N4O/c1-13-5-3-4-6-14(13)15-11-17(20-12-16(15)18(19)23)22-9-7-21(2)8-10-22/h3-6,11-12H,7-10H2,1-2H3,(H2,19,23)
 |  | [InChIKey] 
 UQTDFKWGXOVHFZ-UHFFFAOYSA-N
 |  | [SMILES] 
 C1=NC(N2CCN(C)CC2)=CC(C2=CC=CC=C2C)=C1C(N)=O
 |  | [CAS DataBase Reference] 
 342417-01-0
 | 
 | Hazard Information | Back Directory |  | [Synthesis] 
 
 Step 3: 1.0 g (4.05 mmol) of 6-chloro-4-o-tolylnicotinamide was dissolved in 9.0 mL of N-methylpiperazine, heated to 100 °C and the reaction was maintained for 2 hours. Upon completion of the reaction, the excess N-methylpiperazine was removed by high vacuum distillation. The residue was purified by silica gel column chromatography using dichloromethane as eluent to give 1.2 g (95% yield) of the target compound, 6-(4-methylpiperazin-1-yl)-4-(o-tolyl)nicotinamide, the product was a pale yellow crystalline foam. Mass spectrometry (ISP): m/z 311 ([M+H]+, 100%), 254 (62%). |  | [References] 
 [1] Patent: US8426450,  2013,  B1. Location in patent: Page/Page column 25
 [2] Patent: US9403772,  2016,  B2. Location in patent: Page/Page column 30
 [3] Journal of Organic Chemistry,  2006,  vol. 71,  # 5,  p. 2000 - 2008
 [4] Patent: JP2015/17121,  2015,  A. Location in patent: Paragraph 0153
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