Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 7752-82-1, name is 5-Bromopyrimidin-2-amine. This compound has unique chemical properties. The synthetic route is as follows. name: 5-Bromopyrimidin-2-amine
Example 50; (5-Bromo-pyrimidin-2-yl)-bis-carbamic acid tert-butyl ester:; A suspension of 5-bromo- pyrimidin-2-ylamine (10.2 g, 58.6 mmol), di-tert-butyldicarbonate (28.1 g, 129 mmol), and pyridine (100 mL) was heated to 70 C overnight while stirring under an atmosphere of nitrogen. Solvent removed under vacuum, then residue was partitioned between diethyl ether and 5 % potassium dihydrogenphosphate. Organic washed with saturated ammonium chloride then dried over magnesium sulfate. Partial evaporation of ether under vacuum produced a white solid which then was collected by filtration. M+1=374/376.
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Reference:
Patent; AMGEN INC.; WO2005/70932; (2005); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia