Carbon‐Centered Free Radicals and Radical Cations

激进的 β-断裂 碳纤维 化学 光化学 自由基取代 材料科学 有机化学 复合数 复合材料
作者
Malcolm D. E. Forbes
出处
期刊:Wiley eBooks [Wiley]
被引量:57
标识
DOI:10.1002/9780470584118
摘要

About the Volume Editor. Preface to Series. Introduction. Contributors. 1. A Brief History of Carbon Radicals (Malcolm D. E.Forbes). 2. Intermolecular Radical Additions to Alkynes: Cascade-TypeRadical Cyclizations (Uta Wille). 2.1 Introduction. 2.2 Cascade Reactions Involving Radicals of Second RowElements. 2.3 Cascade Reactions Initiated by Addition of Higher Main Group(VI)-Centered Radicals to Alkynes. 2.4 Cascade Reactions Initiated by Addition of Higher Main Group(VI)-Centered Radicals to Alkynes. 2.5 Cascade Reactions Initiated by Addition of Higher Main Group(V)-Centered Radicals to Alkynes. 3. Radical Cation Fragmentation Reactions in OrganicSynthesis (Alexander J. Poniatowski and Paul E.Floreancig). 3.1 Introduction. 3.2 Electron Transfer-Initiated Cyclization Reactions. 3.3 Oxidative Acyliminium Ion Formation. 3.4 Carbon Carbon Bond Formation. 3.5 Summary and Outlook. 4. Selectivity in Radical Cation Cycloadditions (ChristoS. Sevov and Olaf Wiest). 4.1 Introduction. 4.2 Mechanism and the Origin of the Rate Acceleration. 4.3 Selectivity in Radical Cation Cycloadditions. 4.4 Chemoselectivity. 4.5 Regioselectivity. 4.6 Periselectivity. 4.7 Endo/Exo Selectivity. 4.8 Conclusions. 5. The Stability of Carbon-Centered Radicals (Michelle L.Coote, Ching Yeh Lin, and Hendrik Zipse). 5.1 Introduction. 5.2 Theoretical Methods. 5.3 RSE Values for Carbon-Centered Radicals. 5.4 Use of RSE Values in Practical Applications. 5.5 Conclusions. 6. Interplay of Stereoelectronic Vibrational andEnvironmental Effects in Tuning Physicochemical Properties ofCarbon-Centered Radicals (Vincenzo Barone, Malgorzata Biczysko,and Paola Cimino). 6.1 Introduction. 6.2 EPR Spectroscopy. 6.3 Calculation of EPR Parameters. 6.4 Vibrational Properties Beyond the HarmonicApproximation. 6.5 Electronic Properties: Vertical Excitation Energies,Structure, and Frequencies in Excited Electronic States. 6.6 Vibronic Spectra. 6.7 Concluding Remarks. 7. Unusual Structures of Radical Ions in Carbon Skeletons:Nonstandard Chemical Bonding by Restricting Geometries (GeorgGescheidt). 7.1 Introduction. 7.2 The Tools. 7.3 Pagodane and Its Derivatives. 7.4 Different Stages of Cycloaddition/Cycloreversion ReactionsWithin Confined Environments. 7.5 Extending the Cage Concept . 7.6 Summary. 8. Magnetic Field Effects on Radical Pairs in HomogeneousSolution (Jonathan. R. Woodward). 8.1 Introduction. 8.2 The Spin-Correlated Radical Pair. 8.3 Application of a Magnetic Field. 8.4 Spin-State Mixing. 8.5 The Magnetic Field Dependence of Radical PairReactions. 8.6 Theoretical Approaches. 8.7 Experimental Approaches. 8.8 The Life Cycle of Radical Pairs in Homogeneous Solution. 8.9 Summary. 9. Chemical Transformations Within the Paramagnetic WorldInvestigated by Photo-CIDNP (Martin Goez). 9.1 Introduction. 9.2 CIDNP Theory. 9.3 Experimental Methods. 9.4 Radical Radical Transformations During DiffusiveExcursions. 9.5 Radical Radical Transformations at Reencounters. 9.6 Interconversions of Biradicals. 9.7 Conclusions. 10. Spin Relaxation in Ru-Chromophore-LinkedAzine/Diquat Radical Pairs (Matthew T. Rawls, Ilya Kuprov, C.Michael Elliott, and Ulrich E. Steiner). 10.1 Introduction. 10.2 EPR for the Isolated Ions. 10.3 Calculation Methods for EPR of the Isolated Ions. 10.4 Implications for Spin-Relaxation in Linked RadicalPairs. 11. Reaction Dynamics of Carbon-Centered Radicals in ExtremeEnvironments Studied by the Crossed Molecular Beam Technique(Ralf I. Kaiser). 11.1 Introduction. 11.2 The Crossed Molecular Beam Method. 11.3 Experimental Setup. 11.4 Crossed Beam Studies. 11.5 Conclusions. 12. Laser Flash Photolysis of Photoinitiators: ESR, Optical,and IR Spectroscopy Detection of Transients (Igor V. Khudyakovand Nicholas J. Turro). 12.1 Introduction. 12.2 Photodissociation of Initiators. 12.3 TR ESR Detection of Transients. 12.4 Optical Detection of Transients. 12.5 IR Detection of Free Radicals and Monitoring TheirReactions. 12.6 Concluding Remarks. 13. Dynamics of Radical Pair Processes in Bulk Polymers(Carlos A. Chesta and Richard G. Weiss). 13.1 Introduction. 13.2 Singlet-State Radical Pairs from Irradiation of Aryl Estersand Alkyl Aryl Ethers. 13.2.1 General Mechanistic Considerations From Solution andGas-Phase Studies. 13.3 Photo-Reactions of Aryl Esters in Polymer Matrices. KineticInformation from Constant Intensity Irradiations. 13.4 Rate Information from Constant Intensity Irradiation ofAlkyl Aryl Ethers. 13.5 Comparison of Calculated Rates to Other Methods forPolyethylene Films. 13.6 Triplet-State Radical Pairs. 13.7 Concluding Remarks. 14. Acrylic Polymer Radicals: Structural Characterization andDynamics (Malcolm D. E. Forbes and Natalia V. Lebedeva). 14.1 Introduction. 14.2 The Photodegradation Mechanism. 14.3 Polymer Structures. 14.4 The Time-Resolved EPR Experiment. 14.5 Tacticity and Temperature Dependence of AcrylateRadicals. 14.6 Structural Dependence. 14.7 Oxo-Acyl Radicals. 14.8 Spin Polarization Mechanisms. 14.9 Solvent Effects. 14.10 Dynamic Effects. 14.11 Conclusions. Index.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
22完成签到,获得积分20
1秒前
1秒前
张雷应助豺狼的日子采纳,获得20
3秒前
4秒前
安静一曲完成签到 ,获得积分10
6秒前
阿月完成签到,获得积分10
6秒前
跳跃虔发布了新的文献求助10
6秒前
开放的煎蛋完成签到,获得积分20
6秒前
弯弯完成签到,获得积分10
7秒前
mz完成签到 ,获得积分10
8秒前
11秒前
小党完成签到,获得积分10
13秒前
量子星尘发布了新的文献求助10
13秒前
鸿俦鹤侣完成签到,获得积分10
13秒前
13秒前
Liufgui应助xinyue946983采纳,获得10
15秒前
15秒前
跳跃虔完成签到,获得积分20
15秒前
Liufgui应助Mandy采纳,获得10
16秒前
16秒前
duduguai发布了新的文献求助20
17秒前
李健应助yun采纳,获得10
19秒前
ZJY发布了新的文献求助10
20秒前
22关注了科研通微信公众号
22秒前
23秒前
23秒前
英姑应助ZJY采纳,获得10
24秒前
小蘑菇应助hhhh采纳,获得30
27秒前
听话的惜梦完成签到,获得积分10
30秒前
cherry bomb完成签到,获得积分10
30秒前
31秒前
33秒前
进步发布了新的文献求助10
34秒前
克林沙星完成签到,获得积分10
35秒前
35秒前
38秒前
李健的小迷弟应助十一采纳,获得10
39秒前
黄耀完成签到,获得积分10
40秒前
40秒前
多情含灵发布了新的文献求助10
41秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3988975
求助须知:如何正确求助?哪些是违规求助? 3531316
关于积分的说明 11253424
捐赠科研通 3269917
什么是DOI,文献DOI怎么找? 1804830
邀请新用户注册赠送积分活动 882063
科研通“疑难数据库(出版商)”最低求助积分说明 809068