发明授权
- 专利标题: Synthesis of N-methyl-N-phenylaminoacrolein
- 专利标题(中): N-甲基-N-苯基氨基丙烯醛的合成
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申请号: US10841403申请日: 2004-05-07
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公开(公告)号: US07091382B2公开(公告)日: 2006-08-15
- 发明人: Aldo Banfi , Alfredo Mancini
- 申请人: Aldo Banfi , Alfredo Mancini
- 申请人地址: IT Milan
- 专利权人: Clariant Life Science Molecules (Italia) S.p.A.
- 当前专利权人: Clariant Life Science Molecules (Italia) S.p.A.
- 当前专利权人地址: IT Milan
- 代理商 Richard P. Silverman
- 优先权: EP03425306 20030513
- 主分类号: C07C211/00
- IPC分类号: C07C211/00
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.
公开/授权文献
- US20040229958A1 Synthesis of N-methyl-N-phenylaminoacrolein 公开/授权日:2004-11-18
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