
硝酸铊(III)(TTN)在有机合成中的应用,Pure and Applied Chemistry …
综述了硝酸铊 (iii) (ttn) 在有机合成中作为氧化剂的范围和用途。 所描述的反应是烯烃、乙炔、酮和含有碳-氮双键的化合物的氧化和氧化重排。 讨论了溶剂对 TTN 氧化的影响,并概述了 TTN/原甲酸三甲酯在 α,β-不饱和羰基化合物的氧化重排中的应用。
APPLICATIONS OF THALLIUM(III) NITRATE (TTN) TO ORGANIC SYNTHESIS
1975年1月1日 · Thallium (III) nitrate (TTN), on the other hand, is highly ionic and powerfully electrophilic, and reacts almost instantaneously with a wide range of olefins. TTN is the subject of the present dicussion and the reagent with which we have worked for some years.
Utilizing Simple Biochemical Measurements to Predict Lifetime …
2010年3月3日 · One important indicator of lifetime biocatalyst productivity is the dimensionless total turnover number (TTN). Here, a method is proposed for estimating the TTN of a given biocatalyst from readily-measured biochemical quantities, namely the specific activity and the deactivation half-life, measured under identical conditions.
“Turning Over” Definitions in Catalytic Cycles | ACS Catalysis
2012年11月8日 · In enzymatic catalysis it is commonly known as total turnover number (TTN), to distinguish it from the TON in the biochemical sense. The catalyst can “die” by decomposition or poisoning. In both cases an energetic barrier that leads to very stable inactive states is slowly crossed, mining the average activity of the catalyst.
Total turnover number - Big Chemical Encyclopedia
The measure for the efficiency of the recycling process is the total turnover number (TTN), which describes the moles of product synthesized in relation to the moles of cofactor needed. The different approaches in cofactor recycling were recently reviewed by Goldberg et at.
Taylor-McKillop环收缩 - 化学空间 Chem-Station
2017年5月11日 · Taylor-McKillop环收缩 (Taylor-McKillop ring contraction)是在Tl (NO3)3·3H2O硝酸高铊(TTN)作用下,环烯烃及环酮的缩环反应。 该反应条件温和、底物普适性及缩环产物的产率较高,具有优良的立体选择性。 目前已广泛应用于各种天然产物全合成的关键步骤。 然而,铊及其的化合物均有剧毒(解毒剂为Prussian蓝,KFe [Fe (CN)6],解毒原理为铊离子与钾离子间的离子交换),是这一反应的唯一不足之处。 10.1021/jo00986a054. 6750. doi: …
What is TTN in chemistry? - ScienceOxygen
2022年8月31日 · Turnover number (TON) = number of moles of reactant consumed/ (mole of catalyst). Turnover frequency (TOF) = TON/time of reaction. How do you calculate turnover number in chemistry? TOF = Moles of desired product formed/moles of catalyst/ time = TON/time. it just give the number of molecules reacted per active sites of catalyst.
Aryl-fused tetrathianaphthalene (TTN): synthesis, structures ...
1,4,5,8-Tetrathianaphthalene (TTN) is the structural isomer of tetrathiafulvalene (TTF). Herein, the title aryl-fused TTNs (TTN1–TTN9) have been synthesized from a zinc–thiolate complex (TBA) 2 [Zn (DMIT) 2] via a two-fold Cu-catalyzed C–S coupling reaction.
芳基稠合四噻吩基萘(TTN):合成,结构,性质和与富勒烯的共 …
在本文中,标题的芳基稠合的ttn(ttn1-ttn9)是通过二倍的cu催化的c-s偶联反应从硫醇锌复合物(tba)2 [zn(dmit)2 ]合成的。 这些TTN可以通过与FeCl 3反应转化为相应的芳基稠合的TTF异构体。
Tritrinilium (Ttn) - ChemicalAid
Tritrinilium或元素330是元素周期表里的一个元素,它有临时标志Ttn 和原子序数330 翻译
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