Table 1 Observed 1,6 H-shift products and their fraction on the total 1,6 H-shift products (%)

From: First oxidation products from the reaction of hydroxyl radicals with isoprene for pristine environmental conditions

Product

Teng et al.13a

This workb

HPALDs, C5H8O3

25

76c

“MW 116” (other than HPALDs)

15

—c

“MW 132”, C5H8O4

3.5

15

Hydroperoxyacetaldehyde

8.2

ND

Hydroperoxyacetone

16

ND

C4H8O5

ND

2.1

HO-C5H8(O2)O2

ND

5.5

HO-C5H8(O2)2O2

ND

0.8

  1. aStated products account for 68% of the total 1,6 H-shift products
  2. bFrom time-dependent measurements as given in Fig. 7
  3. cThe signal measured at the exact mass of C5H8O3 is solely attributed to the HPALDs
  4. ND not detected
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