Aliphatic amines in the Murchison meteorite

Details Aliphatic amines in the Murchison meteorite Aliphatic amines in the Murchison meteorite

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976natur.261..126j&link_type=abstract

Nature, vol. 261, May 13, 1976, p. 126-128. Research supported by the Carnegie Institution of Washington, NASA, and NSF.

Physics

6

Aliphatic Compounds, Amines, Meteoritic Composition, Amino Acids, Gas Chromatography

Scientific paper

The paper reports on the determination of aliphatic amines in water extracts of the Murchison meteorite. The amines were analyzed by gas chromatography both as the free amines and as 2,4-dinitrophenyl (DNP) derivatives. The results give evidence for the presence of all of the possible primary aliphatic monoamines (eight) with fewer than five carbon atoms. Two of the seven possible secondary or tertiary aliphatic monoamines were identified. The identified primary amines total 80 nmol per g meteorite, and seem to be chemically or physically trapped in the meteorite. Similarities between the water-extractable amines and amino acids suggest that (1) a simple carbon compound, methane, for example, is the precursor of meteorite amines and amino acids, and (2) both amines and amino acids are extracted from the meteorite both as such and in the form of acid-hydrolyzable derivative or precursor species.

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