Heterocyclic compounds recovered from carbonaceous chondrites

Details Heterocyclic compounds recovered from carbonaceous chondrites Heterocyclic compounds recovered from carbonaceous chondrites

Mar 1973

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1973gecoa..37..455f&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 37, Issue 3, pp.455-465

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Scientific paper

N-heterocyclic compounds were recovered from the Murchison, C2, Murray, C2, and Orgueil C1 carbonaceous chondrites. Combined gas chromatograpby-low resolution mass spectrometry and gas chromatography-high resolution mass spectrography of trimethylsilyl derivatives provided data permitting identification of some of the extracted material. Three major groups of compounds were observed: 1. (1) the 4-hydroxypyrimidines, 2. (2) N,N,C-alkyl-ketohexahydropyrimidines, and 3. (3) a heterogenous class of (speculative) pyrimidines. All meterorites contained representatives of the first two groups and a unique assortment of the third. No biological N-heterocyclics nor triazines were recovered. The relevance of these findings to chemical evolution is discussed.

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