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- W2361767689 abstract "2-ethoxy-4,6-dichloropyrimidine was an important pyrimidine class compound and an useful intermediate,being used to synthesis Cloransulam-Methyl which has been an herbicide of triazolopyrimidine sulfonanilide class.This experiment studied to synthesize 2-ethoxy-4,6-dichloropyrimidine with urea,diethyl sulfate,malonic acid diethyl ester,phosphorus oxychloride and potassium fluoride as raw material.Firstly carbamide and diethyl sulfate were compounded into O-ethylisourea hydrogen sulfate which was difficult to turn into O-ethylisourea,so it can be directly compounded with malonic acid diethyl ester and looped into 2-ethoxy-4,6-dihydroxypyrimidine.And then reacted with phosphorus oxychloride and generated 2-ethoxy-4,6-dichloropyrimidine." @default.
- W2361767689 created "2016-06-24" @default.
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- W2361767689 date "2007-01-01" @default.
- W2361767689 modified "2023-09-22" @default.
- W2361767689 title "Synthesis of 2-ethoxy- 4,6-difluoropyrimidine" @default.
- W2361767689 hasPublicationYear "2007" @default.
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