Products and mechanism of the reaction of Cl atoms with unsaturated alcohols

被引:15
作者
Rodriguez, Ana [1 ]
Rodriguez, Diana [1 ]
Soto, Amparo [1 ]
Bravo, Ivan [1 ]
Diaz-de-Mera, Yolanda [2 ]
Notario, Alberto [2 ]
Aranda, Alfonso [2 ]
机构
[1] Univ Castilla La Mancha, Fac Environm Sci & Biochem, Toledo 45071, Spain
[2] Univ Castilla La Mancha, Fac Chem, Ciudad Real, Spain
关键词
Chlorine atoms; Unsaturated alcohols; Reaction products; Gas phase mechanism; GAS-PHASE REACTIONS; CHLORINE ATOMS; RATE CONSTANTS; OH RADICALS; ATMOSPHERIC CHEMISTRY; RATE COEFFICIENTS; METHYL BUTENOL; OZONE; AEROSOL; SERIES;
D O I
10.1016/j.atmosenv.2011.12.030
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The products of the chlorine atom initiated oxidation of different unsaturated alcohols were determined at atmospheric pressure and ambient temperature, in a 400 L teflon reaction chamber using GC-FID and GC-MS for the analysis. The major products detected (with molar yields in brackets) are: chloroacetaldehyde (50 +/- 8%) and acrolein (27 +/- 2%) from allyl alcohol; acetaldehyde (77 +/- 11%), chloroacetaldehyde (75 +/- 18%), and methyl vinyl ketone (17 +/- 2%) from 3-buten-2-ol; acetone (55 +/- 4%) and chloroacetaldehyde (59 +/- 8%) from 2-methyl-3-buten-2-ol; chloroacetone (18 +/- 1%) and methacrolein (8 +/- 1%) from 2-methyl-2-propen-1-ol; acetaldehyde (20 +/- 1%), crotonaldehyde (6 +/- 3%), 3-choloro-4hydroxy-2-butanone (2 +/- 2%) and 2-chloro-propanal (4 +/- 5%) from crotyl alcohol; and acetone (24 +/- 3%) from 3-methyl-2-buten-1-ol. The experimental data suggests that addition of Cl to the double bond of the unsaturated alcohol is the dominant reaction pathway compared to the H-abstraction channel. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:214 / 224
页数:11
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