Methane → HCID 178488765, 화합물

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To 2,4-diamino-5-(7,8-dimethoxy-2H-1-benzopyran-5-ylmethyl)pyrimidine (5.00 g, 15.9 mmol) in 450 mL of boiling methanol was added a solution of L(+)-ascorbic acid (2.80 g, 15.9 mmol) in 50 mL of methanol. The solution was treated with charcoal, filtered, and evaporated to dryness. Further drying at 40° C. in a vacuum oven gave 7.58 g (97.2%) of the title compound. Anal. Calcd for C16H18H4O3.C6H8O6.H2O: C, 51.97; H, 5.55; N, 11.02. Found: C, 51.95; H, 5.57; N, 11.02.

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