Synthesis [edit]. Quaternary ammonium compounds are prepared by the alkylation of tertiary amines with a halocarbon. In older literature this is often called a Menshutkin reaction, however modern chemists usually refer to it simply as quaternization.uaternary ammonium compounds have also been shown to have antimicrobial activity. Certain quaternary ammonium compounds, especially those containing long alkyl chains, are used as antimicrobials and disinfectants.
Answer: XPF files are Uncommon Files primarily associated with XaoS Position File (Jan Hubicka Thomas Marsh Zoltan Kovacs and Others).
The .jsf file extension is most commonly associated with the Adobe Fireworks graphic editing application. The JSF files contain batch script files used by the Fireworks program.These script files contain a sequence of program commands that are referenced by the software.The .jsf file extension is also used for Java server files, Jahshaka scene files and Project64 joystick settings files.he .jsf file extension is most commonly associated with the Adobe Fireworks graphic editing application. The JSF files contain batch script files used by the Fireworks program.