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594306435

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594306435(½ð±Ò+5, ·­ÒëEPI+1): лл 2011-04-05 08:53:37
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2 and 5 mL PPA will be mixed, heated in oil bath under the conditions of reaction, reaction monitoring by TLC, until complete reaction, cooled, add dilute ammonia, precipitation of solid solid crude product obtained by filtration.Crude product obtained by recrystallization with ethanol a pure compound.
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