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参考文献:De186739
标题:De186739
海关参考信息
- 2912110000-甲醛
2912120000-乙醛
2903399020-溴甲烷
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专利信息
专利号:EP-0062322-A1
优先权日:1981-04-03
标 题 :Improved process for synthesis of hindered amine stabilizers for polymeric materials
发明人:LAI JOHN TA-YUAN
权利人:GOODRICH CO B F
摘要:Process for the synthesis of hindered polysubstituted α-amino acetamides by reaction of a secondary amine with an α-halo acetamide in a basic organic reaction medium and in the presence of a phase transfer catalyst. The product thus obtained can comprise a multifunctional compound having one or more hindered amino moieties. These compounds are highly effective as UV stabilizers in a variety of plastics, especially the alpha monoolefins.
专利号:US-4473694-A
优先权日:1981-04-03
标 题:Process for the preparation of polysubstituted α-aminoacetamides
发明人:LAI JOHN T
权利人:GOODRICH CO B F
摘要:Process for the synthesis of hindered polysubstituted alpha -amino acetamides which comprises first reacting an alpha -haloacetamide with a base to form an intermediate alpha -lactam which in turn is reacted with a primary or secondary amine. The product thus obtained can comprise a multifunctional compound having one or more hindered amino moieties. These compounds are highly effective as UV stabilizers in a variety of plastics, especially the alpha monoolefins.