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. 2021 Feb 18;4:18. doi: 10.1038/s42004-020-00445-3

Table 2.

Representative products detected during combustion autoxidation (545 K) of alkanes and their oxygenates.

Molecule Structure O2 addition sequence
1sta 2nda 3rda, b 4thb 5thb
n-decane graphic file with name 42004_2020_445_Figl_HTML.gif C10H20O C10H20O3 C10H20O5 C10H20O7 –
2,7-dimethyloctame graphic file with name 42004_2020_445_Figm_HTML.gif C10H20O C10H20O3 C10H20O5 C10H20O7 –
n-butylcyclohexane graphic file with name 42004_2020_445_Fign_HTML.gif C10H18O C10H18O3 C10H18O5 C10H18O7 –
2-decanone graphic file with name 42004_2020_445_Figo_HTML.gif C10H18O2 C10H18O4 C10H18O6 C10H18O8 –
Decanal graphic file with name 42004_2020_445_Figp_HTML.gif C10H18O2 C10H18O4 C10H18O6 C10H18O8 C10H18O10

The listed molecules correspond to the carbonyl (R=O) termination products of RO2 radicals. For all compounds a 4th O2 addition was observed, and for decanal even a 5th O2 addition took place.

aMeasured by SVUV-PIMS in Wang et al.6

bMeasured by CI-APi-TOF in this work.