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US07091382B2 Synthesis of N-methyl-N-phenylaminoacrolein 失效
N-甲基-N-苯基氨基丙烯醛的合成

Synthesis of N-methyl-N-phenylaminoacrolein
摘要:
A process is disclosed for manufacturing N-methyl-N-phenylaminoacrolein of formula (I) which comprises reacting N-methylformanilide and an alkyl vinyl ether of formula (III) wherein R is a C3–C4 alkyl, said process being characterized in that the reaction between N-methylformanilide and said alkyl vinyl ether of formula (III) is carried out in the presence of phosgene, diphosgene or triphosgene in a solvent selected from dioxane, acetonitrile and/or chlorobenzene.
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