A compound having structural formula (II): where R.sup.2 is H, CH.sub.3, CF.sub.3, CH.sub.2CF.sub.2CF.sub.2H, or CH.sub.2CF.sub.2CF.sub.2CF.sub.2H; where R.sup.2f is a perfluoroalkyl group having 1-4 carbon atoms, optionally comprising either or both of a catenated nitrogen heteroatom and a catenated oxygen heteroatom; where R.sup.2f′ is CF.sub.3 or CF.sub.2CF.sub.3; and where R.sup.2f″ is CF.sub.3 or CF.sub.2CF.sub.3; with the proviso that when R.sup.2f′ is CF.sub.3, then R.sup.2f″ is CF.sub.3, and when R.sup.2 is H or CH.sub.3, then R.sup.2f is not CF.sub.3.

##STR00001##

The production of solvents for applications such as heat transfer, cleaning, and degreasing, for example. In particular, the production of solvents derived from 1-chloro-3,3,3-trifluoro-propene, such as chloro and/or fluoro substituted alkanes and chloro and/or fluoro substituted trifluoropropenyl ethers.

The production of solvents for applications such as heat transfer, cleaning, and degreasing, for example. In particular, the production of solvents derived from 1-chloro-3,3,3-trifluoro-propene, such as chloro and/or fluoro substituted alkanes and chloro and/or fluoro substituted trifluoropropenyl ethers.

Described herein are three methods for making halogenated fluorinated ether-containing compounds using a fluorinated olefin or hexafluoropropylene oxide.

Described herein are three methods for making halogenated fluorinated ether-containing compounds using a fluorinated olefin or hexafluoropropylene oxide.

Compositions and methods comprising one or more compounds according to Formula I:

##STR00001## where R.sub.1, R.sub.2 and R.sub.3 are each independently C.sub.xR′.sub.(2x+1)−yH.sub.y; each R′ is independently selected from F or Cl and wherein the value of (2x+1)−y is the total number of R′ substituents on the indicated carbon atom(s); each x is independently equal to or greater than 1 and equal to or less than 6; and y is equal to or greater than 0 and less than or equal to 2x+1, provided that the total number of R′ present in the compound is 6 or greater, and that the compound has from zero up to two (2) Cl substituents.

The invention relates to a new industrial process for manufacturing of perfluoro(methylvinylether) (PFMVE), and of 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227), involving reactions in liquid phase and performing reactions, for example, in a (closed) column reactor or in a microreactor, respectively. The invention also relates to a new industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE) by HF-elimination from the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227). The invention also relates to a new industrial process for manufacturing of the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227) by selective fluorination of the compound HFE-254 (1,1,2,2-tetrafluoro-1-(methoxy)ethane), i.e., perfluorination of only the CH.sub.3O-group (i.e., methoxy-group) of the compound HFE-254 is selectively fluorinated to a CF.sub.3O-group (i.e., trifluoromethoxy-group).

The invention relates to a new industrial process for manufacturing of perfluoro(methylvinylether) (PFMVE), and of 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227), involving reactions in liquid phase and performing reactions, for example, in a (closed) column reactor or in a microreactor, respectively. The invention also relates to a new industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE) by HF-elimination from the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227). The invention also relates to a new industrial process for manufacturing of the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227) by selective fluorination of the compound HFE-254 (1,1,2,2-tetrafluoro-1-(methoxy)ethane), i.e., perfluorination of only the CH.sub.3O-group (i.e., methoxy-group) of the compound HFE-254 is selectively fluorinated to a CF.sub.3O-group (i.e., trifluoromethoxy-group).

The invention relates to a new industrial process for manufacturing of perfluoro(methylvinylether) (PFMVE), and of 2-fluoro-1,2-dichloro-trifluoro-methoxyethylene (FCTFE), involving reactions in liquid phase and performing reactions in a microreactor. The invention also relates to a new industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE) by fluorination, i.e., perfluorination, of 2-fluoro-1,2-dichloro-trifluoromethoxy-ethylene (FCTFE) with HF (hydrogen fluoride) in the presence of a Lewis acid catalyst, again performing the reaction in liquid phase, and preferably in a microreactor.

The invention relates to a new industrial process for manufacturing of perfluoro(methylvinylether) (PFMVE), and of 2-fluoro-1,2-dichloro-trifluoro-methoxyethylene (FCTFE), involving reactions in liquid phase and performing reactions in a microreactor. The invention also relates to a new industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE) by fluorination, i.e., perfluorination, of 2-fluoro-1,2-dichloro-trifluoromethoxy-ethylene (FCTFE) with HF (hydrogen fluoride) in the presence of a Lewis acid catalyst, again performing the reaction in liquid phase, and preferably in a microreactor.