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. 111-95-5, name is Bis(2-methoxyethyl)amine, This compound has unique chemical properties. The synthetic route is as follows., 111-95-5
(1)N’5′-[2-Chloro-4-(trifluoromethyl)phenyl]-N’5′-ethyl-2-(4-methoxybenzyl)-N’7′,N’7-bis(2-methoxyethyl)-2H-pyrazolo[4,3-d]pyrimidine-5,7-amine A mixture of 7-chloro-N-[2-chloro-4-(trifluoromethyl)phenyl]-N-ethyl-2-(4-methoxybenzyl)-2H-pyrazolo[4,3-d]pyrimidine-5-amine(a compound obtained in Reference Example 16) (75 mg), N,N-diisopropylethylamine(18.2 mg) and bis(2-methoxyethyl)amine(93.7 mg) in N-methylpyrrolidone(1.1 mL) was stirred at outside temperature of 110C under argon gas atmosphere overnight. After being cooled to room temperature, water and chloroform were added to the reaction mixture, the separated organic layer was washed with a saturated brine, dried over sodium sulfate and the solvent was evaporated under reduced pressure. The resulted residue was purified by using a silica gel column chromatography (hexane:ethyl acetate=10:1 to 5:2) to give the titled compound(84.3 mg) quantitatively as a pale yellow liquid. MS(APCI)m/z:593/595[M+H]+.
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Reference:
Patent; Mitsubishi Tanabe Pharma Corporation; EP1903045; (2008); A1;,
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