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Titlebook: Crystalline State Photoreactions; Direct Observation o Yuji Ohashi Book 2014 Springer Japan 2014 Crystalline state photoreaction.Excited-st

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发表于 2025-3-21 16:50:25 | 显示全部楼层 |阅读模式
书目名称Crystalline State Photoreactions
副标题Direct Observation o
编辑Yuji Ohashi
视频video
概述Shows direct observations of various reaction processes and the intermediate structures.Contains more than 200 figures and tables clearly showing the structures of the intermediates.Provides more than
图书封面Titlebook: Crystalline State Photoreactions; Direct Observation o Yuji Ohashi Book 2014 Springer Japan 2014 Crystalline state photoreaction.Excited-st
描述.This book focuses on a variety of photochemical reaction processes in the crystalline state. The crystalline state reaction is a new category of solid state reaction, in which a reaction occurs with retention of the single crystal form. The whole reaction processes were observed directly by X-ray and neutron diffractions. In this book, not only the structures of metastable intermediates, such as radicals, carbenes, and nitrenes, but also the unstable species of photochromic compounds and photo-excited structures are shown with colored figures of the molecular structures, with more than 200 figures. The book is an indispensable resource not only for organic, inorganic and physical chemists but also for graduate students, as it furnishes more than 300 references..
出版日期Book 2014
关键词Crystalline state photoreaction; Excited-state molecules; Neutron diffractions; Structural change of co
版次1
doihttps://doi.org/10.1007/978-4-431-54373-2
isbn_softcover978-4-431-56129-3
isbn_ebook978-4-431-54373-2
copyrightSpringer Japan 2014
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Racemizations of Alkyl Groups in Cobaloxime Complex Crystals, the axial base ligand and chiral alkyl group in the crystals of cobaloxime complex crystals. For racemization of the cyanoethyl group bonded to the cobalt atom, three different types of racemization were observed owing to the different structures before the reaction. The reaction process and the re
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Photoisomerization of Alkyl Groups in Cobaloxime Complexes,as mixed with the product molecule. The enlarged reaction cavity in the mixed crystal accelerated the reaction. If the cavity shape is asymmetric, the produced 1-cyanoethyl group is chiral, that is, one of the . and . configurations is preferentially produced. Chirality generation was estimated from
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Control of Reactivity,s or acid–base complexes between the cobaloxime complexes with carboxyl group and the amines. Usually the acid–base complexes were easily crystallized. The alkyl group with the modified reaction cavity in the acid–base complex revealed the different reactivity. When the bulky substituents are insert
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Metastable or Unstable Intermediates in Reversible Processes,ome a new product. The reverse reaction cannot occur. The triplet carbenes are formed from the bis(2,4,6-triphenyl)diazomethane derivatives and the arylnitrenes are produced from the arylazide derivatives on exposure to UV light. The unstable carbenes and nitrenes were observed after the crystal was
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Conclusion,a variety of photoreactions of the cobaloxime complexes were observed with keeping the single crystal form. We call them “crystalline-state reactions” discriminating the usual solid-state reactions. The most important merit of the crystalline-state reactions is that we can directly “observe” the str
发表于 2025-3-23 09:37:31 | 显示全部楼层
Joachim Schwass,Anne-Catrin Glemsercompounds, a variety of organic solid-state reactions have been studied analyzing the crystal structures of the reactant molecules in these 50 years. The postulate has been a powerful tool to understand the reaction mechanism at a rough estimate.
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