Why are sec-alkylperoxyl bimolecular self-reactions orders of magnitude faster than the analogous reactions of tert-alkylperoxyls? The unanticipated role of CH hydrogen bond donation

Author:

Lee Richmond12345ORCID,Gryn'ova Ganna12345,Ingold K. U.678,Coote Michelle L.12345ORCID

Affiliation:

1. ARC Centre of Excellence for Electromaterials Science

2. Research School of Chemistry

3. Australian National University

4. Canberra ACT 2601

5. Australia

6. National Research Council

7. Ottawa

8. Canada

Abstract

Theory reveals that pri- and sec-alkylperoxyl bimolecular self-reactions are orders of magnitude faster than the analogous tert-alkylperoxyl reactions, because of the formation of 5-center cyclic CH⋯O hydrogen bonding.

Funder

Australian Research Council

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Reference55 articles.

1. J. A. Howard , in Peroxyl Radicals, ed. Z. B. Alfassi, Wiley, New York, 1997, pp. 283–334. This excellent review contains a host of rate and equilibrium constants for ROO˙ reactions, all properly cited. Therefore we will reference only publications that are particularly germane to our subject

2. Oxygen-18 Tracer Studies of Alkylperoxy Radicals. I. The Cumylperoxy Radical and Chain Termination in the Autoxidation of Cumene

3. Di-tert-butyl trioxide and di-tert-butyl tertoxide

4. The equilibrium between tertiary alkylperoxy-radicals and tetroxide molecules

5. Di-t-alkyl tetroxides

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3