Abstract
Abstract. Organic nitrate esters are key products of terpene oxidation in the atmosphere. We report here the preparation and purification of nine nitrate esters derived from (+)-3-carene, limonene, α-pinene, β-pinene and perillic alcohol. The availability of these compounds will enable detailed investigations into the structure–reactivity relationships of aerosol formation and processing and will allow individual investigations into aqueous-phase reactions of organic nitrate esters.
Highlights
Biogenic volatile organic compound (BVOC) emissions account for ∼ 88 % of non-methane VOC emissions
Only produced an undesired methyl ether. It is unclear if this product was generated through methanolysis of the nitrate ester or direct substitution of the epoxide
The regiochemistry of the nitration was elucidated with gHSQC nuclear magnetic resonance (NMR) data
Summary
Biogenic volatile organic compound (BVOC) emissions account for ∼ 88 % of non-methane VOC emissions. Α-pinene alone is estimated to generate ∼ 66 Tg yr−1 (Guenther et al, 2012) These monoterpenes can be oxidized by nitrate radicals that are projected to account for more than half of the monoterpene-derived secondary organic aerosol (SOA) in the US (Pye et al, 2010). A large portion (30 %–40 %) of monoterpene emissions occur at night (Pye et al, 2010). These emissions can react with NO3 radicals, formed from the oxidation of NO2 emissions by O3 (Pye et al, 2010)
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