Differentiation of primary, secondary and tertiary aromatic amines in fossil fuels using trifluoroacylation | Zendy

J.S. Thomson | Zendy; Jonathan A. Green | Zendy; Shilin Yu | Zendy; R.P. Vrana | Zendy

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Differentiation of primary, secondary and tertiary aromatic amines in fossil fuels using trifluoroacylation

Author(s) -

J.S. Thomson,

Jonathan A. Green,

Shilin Yu,

R.P. Vrana

Publication year - 1991

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/5924565

Subject(s) - primary (astronomy) , trifluoroacetic anhydride , chemistry , quinoline , organic chemistry , coal , petroleum , base (topology) , environmental chemistry , mathematics , mathematical analysis , physics , astronomy

An analytical method which distinguishes between primary, secondary and tertiary amines has been developed. Trifluoroacetic anhydride, with 4-pyrrolidinopyridine as a catalyst, is used to form di- and mono-trifluoroacylated derivatives of primary and secondary aromatic amines, respectively. Tertiary aromatic amines such as quinoline do not react. GC/MS is then used to analyze the derivatized samples. Retention indices and response factors (relative to 4-fluoroaniline) are reported for >50 pure compounds known or expected to be present in fossil fuel base fractions. Also, results from the analysis of base fractions from mildly hydrotreated SRC II coal liquids and petroleum-derived light cycle oils will be reported.

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