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Science. 1966 Jul 1;153(3731):72-3.

Conditions for purine synthesis: did prebiotic synthesis occur at low temperatures?

Abstract

The rate of polymerization of hydrogen cyanide to aminomalononitrile and the tetramer, diaminomalonodinitrile, is quadratic in the total cyanide concentration. Since the reactions form part of a plausible prebiotic purine synthesis and since they compete with hydrolysis, concentration of cyanide may have been important. This may be achieved usefully by cooling to separate out ice.

PMID:
5938419
[Indexed for MEDLINE]

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