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求助：翻译一段英文文献，急急急！
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l-(2-Hydroxyethyl)-3-(l,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl) urea (VII). Method B.—A mixture of 1-methyl-l-nitroso- 3-(l,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl)urea (4.60 g.,0.0216 mole), 2-aminoethanol (1.27 ml., 0.0216 mole), and water(100 ml.) was heated under reflux for 2 hr. The reaction mixture diluted with water (1 1.) was heated to boiling, and a small amount of insoluble material was removed by filtration.The white solid deposited in the filtrate after two days at room temperature was washed with water and dried in vacuo at 100° overnight; yield of VII, 2.4 g. (52%) |
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2楼2009-11-14 13:21:30