Origins of life and evolution of the biosphere

, Volume 31, Issue 6, pp 481–500 | Cite as

The Reactions of Methanimine and Cyanogen with Carbon Monoxide in Prebiotic Molecular Evolution on Earth

  • Nigel Aylward
  • Neville Bofinger


A primeval atmosphere is proposedcontaining simple molecules such as formaldehyde, ammonia, carbon monoxide, cyanogen andhydrogen cyanide, which have been detected in space. Chemical reactions aredescribed for the formation ofaziridine-2-one and di-azirine-3-one derivatives aspotential precursors for the original synthesesis of amino-acids, proteins, pyrimidines,purines, nicotinamide and flavin. The reactions have been shown to be kinetically feasiblefrom the overall enthalpy changes in the ZKE approximation at the MP2/6-31G* level.

amino-acids carbon monoxide cyanogen Methanimine purines pyrimidines 


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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Nigel Aylward
    • 1
  • Neville Bofinger
    • 1
  1. 1.Centre for Instrumental and Developmental ChemistryQueensland University of TechnologyBrisbaneAustralia

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