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    • 1. 发明公开
    • 헥사플루오로프로필렌 옥사이드와 퍼플루오로아실플루오리드의 선택 반응
    • 十六烷基氧化物与全氟代氟化物的选择性反应
    • KR1020050093781A
    • 2005-09-23
    • KR1020057011074
    • 2003-10-23
    • 쓰리엠 이노베이티브 프로퍼티즈 컴파니
    • 구에라,미구엘,에이.
    • C07C51/58C07C51/64
    • C07C303/22C07C51/58Y02P20/582C07C59/135C07C59/315C07C309/82
    • A method is provided for reacting hexafluoropropylene oxide (HFPO) with a perfluoroacyl fluorides according to the formula X-Rf-COF (II) to selectively produce a monoaddition product according to the formula X- Rf- CF2-O-CF(CF3)COF (I), wherein selectivity for the monoaddition product over the biaddition product is 90% or greater or more typically 95% or greater. A continuous or repeated- batch process is provided comprising the steps of: a) providing a mixture of X-Rf-COF (II), a fluoride salt, and a polar solvent; b) adding hexafluoropropylene oxide (HFPO) in an amount such that X-R f-COF remains in molar excess of HFPO by at least 10% and reacting X- Rf-COF with HFPO; c) separating unreacted X-Rf-COF from a mixture of addition products of hexafluoropropylene oxide (HFPO) and X- Rf-COF; and d) repeating step a) using unreacted X-Rf- COF separated in step c).
    • 提供了一种用于使六氟环氧丙烷(HFPO)与根据式X-Rf-COF(II)的全氟酰基氟化物反应的方法,以选择性地制备根据式X- Rf-CF 2 -O-CF(CF 3)COF的单加成产物 (I),其中加成产物相对于加合产物的选择性为90%或更大或更通常为95%或更高。 提供连续或重复分批的方法,包括以下步骤:a)提供X-Rf-COF(II),氟化物盐和极性溶剂的混合物; b)加入六氟环氧丙烷(HFPO),其量使得X-R f-COF保持摩尔过量的HFPO至少10%,并使X- Rf-COF与HFPO反应; c)从六氟环氧丙烷(HFPO)和X-Rf-COF的加成产物的混合物中分离未反应的X-Rf-COF; 和d)重复步骤a)使用在步骤c)中分离的未反应的X-Rf-COF。