![](/CAS/GIF/40805-79-6.gif)
5-CYANOPYRIMIDINE synthesis
- Product Name:5-CYANOPYRIMIDINE
- CAS Number:40805-79-6
- Molecular formula:C5H3N3
- Molecular Weight:105.1
![5-PYRIMIDINECARBOXAMIDE](/CAS/GIF/40929-49-5.gif)
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Yield: 78%
Reaction Conditions:
Stage #1:pyrimidine-5-carboxamide with triethylamine;trifluoroacetic anhydride in dichloromethane at 0 - 20;
Stage #2: with sodium hydroxide in dichloromethane;water
Steps:
5
Pyrimidine-5-carbonitrile (SO3-067): To a suspension of pyrimidine-5-carboxamide (SOS- OSS) (262 mg, 2.12 mmol) and triethyl amine (481 mg, 4.24 mmol) in anhydrous dichoromethane (15 ml) was slowly added a solutionf of trifuoroacetic anhydride (0.36 ml in 4 ml dichloromethane) at 0°C. The reaction mixture was stirred at 0°C to RT for 2 h. and quenched with water (2ml) and washed with NaOH (1 N, 5 ml) and brine (2 x 5 ml). Organic solvent was dried (MgS04) and evaporated at less than 30°C to provide SO3-067 as a pale yellow solid. (1 74 mg, 78%). 1 H NM R (400 M Hz, DMSO) δ 9.44 (s, 1 H), 9.31 (s, 2H).
References:
H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE, INC.;LAWRENCE, Harshani R.;SEBTI, Said M.;OZCAN, Sevil WO2012/129564, 2012, A2 Location in patent:Page/Page column 79
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![Acetonitrile](/CAS/GIF/75-05-8.gif)
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