Methylamine → HCID 178449171, 화합물

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A mixture of 2-methyl-3-(n-butyl)-1-(2-morpholinophenyl)-2-thiopseudourea hydroiodide (4.0 g) and 33% methylamine in absolute ethanol solution (200 ml) was heated initially for 24 hours at 45° and then left at room temperature for 21 days to yield 1-(n-butyl)-2-(2 -morpholinophenyl)-3-methylguanidine as an oil; a solution of which in methanol (25 ml) on treatment with fumaric acid (0.7 g) gave a colourless solid which was recrystallised from a 1:1 mixture of methanol and ether to give 1-(n-butyl)-2-(2-morpholinophenyl)-3-methylguanidine monofumarate (m.p. 170°-172° C.).

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