. 2023 Mar 31;13(4):920. doi: 10.3390/life13040920

Table 2.

Reaction conditions of various reaction samples to study phosphonylation of organic molecules.

Sample	Description
A	0.1 g Na₂HPO₃ 5H₂O, 7 mL DDI water, 0.6 g uridine, pH = 8, 70–72 °C
B	0.1 g Na₂HPO₃ 5H₂O, 7 mL DDI water, 0.5 g urea, 0.6 g uridine, pH = 8.5–9, 70–72 °C
C	0.1 g Na₂HPO₃ 5H₂O, 7 mL DDI water, 0.8 g glycerol, pH = 7.5, 73–75 °C
D	0.1 g Na₂HPO₃ 5H₂O, 7 mL DDI water, 0.5 g urea, 0.8 g glycerol, pH = 8.5–9, 73–75 °C
E	0.1 g Na₂HPO₃ 5H₂O, 7 mL DDI water, 0.65 g adenosine, pH = 7.5, 78–80 °C
F	0.1 g Na₂HPO₃ 5H₂O, 7 mL DDI water, 0.65 g adenosine, 0.5 g urea, pH = 8.5–9, 78–80 °C

Prebiotic synthesis of organophosphites. Various conditions used in the study. Each of the samples were heated uncovered at from 70–78 °C for 2 days and were given wet–dry cycle treatment for 2 days, e.g., every 24 h. Each sample, therefore, received two wet and two dry cycle.