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Biophys Chem. 2006 Sep 20;123(2-3):113-21. Epub 2006 May 30.

A plausible prebiotic synthesis of pyridoxal phosphate: vitamin B6 - a computational study.

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  • 1School of Physical and Chemical Sciences, Queensland University of Technology, George St, Brisbane, Queensland 4000, Australia.


A set of chemical reactions is proposed to account for the formation of pyridoxal phosphate, Vitamin B6, from a primeval atmosphere composed of cyanoacetylene, diacetylene, carbon monoxide, hydrogen, water, and a phosphoric acid. The reactions have been shown to be feasible from the overall enthalpy changes in the ZKE approximation at the HF and MP2/6-31G* level.

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