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. 209959-33-1, name is 2-[Bis(tert-Butoxycarbonyl)amino]-5-bromopyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Product Details of 209959-33-1
(5) To a suspension of the compound (610 mg) obtained in (4) above in methanol (12 ml) is added sodium hydride (60%, 130 mg), and the mixture is refluxed for 1 hour. The reaction solution is neutralized with aqueous 2N hydrochloride solution. The mixture is diluted with water, and precipitated solids are collected, washed with water, ether, and hexane to give 2-methylthio-7,8-dihydro-7-oxo-pyrido[2,3-d]pyrimidine (481 mg) as powder. M.p. 270-271 C, MS (m/z) : 194 (MH+). IR(nujol):1672, 1608, 1597, 1525, 1460, 1383, 1167 cm-1.
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Reference:
Patent; TANABE SEIYAKU CO., LTD.; EP1364950; (2003); A1;,
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