Bond- and Site-Selective Loss of H Atoms from Nucleobases by Very-Low-Energy Electrons (<3eV)

Sylwia Ptasinska; Stephan Denifl; Paul Scheier; Eugen Illenberger; Tilmann D.Mark

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Bond- and Site-Selective Loss of H Atoms from Nucleobases by Very-Low-Energy Electrons (<3eV)

机译：超低能量电子（<3eV）从核碱基产生的H原子的键和位置选择性损失

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Excess charge deposited on gas-phase thymine (T) and uracil (U) by resonant attachment of low-energy (0-3 eV) electrons induces the loss of hydrogen,which exclusively takes place from the N positions.This bond selectivity can be made site selective by properly adjusting the electron energy.

机译：通过低能（0-3 eV）电子的共振附着而在气相胸腺嘧啶（T）和尿嘧啶（U）上沉积的过量电荷会导致氢的损失，氢的损失仅发生在N位置。这种键选择性可以是通过适当调节电子能量使位点选择性。

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来源
《Angewandte Chemie》 |2005年第42期|共3页
作者
Sylwia Ptasinska; Stephan Denifl; Paul Scheier; Eugen Illenberger; Tilmann D.Mark;
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正文语种 eng
中图分类应用化学;
关键词
anions; dissociative electron attachment; DNA damage; gas-phase reactions; nucleobases;

机译：阴离子;离解电子附着;DNA损伤;气相反应;核碱基;

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专利

1. Bond- and Site-Selective Loss of H Atoms from Nucleobases by Very-Low-Energy Electrons (<3eV) [J] . Sylwia Ptasinska, Stephan Denifl, Paul Scheier, Angewandte Chemie . 2005,第42期

机译：超低能量电子（<3eV）从核碱基产生的H原子的键和位置选择性损失
2. On the hydrogen loss from protonated nucleobases after electronic excitation or collisional electron capture [J] . Wyer JA, Cederquist H, Haag N, European journal of mass spectrometry . 2009,第6期

机译：关于电子激发或碰撞电子俘获后质子化核碱基的氢损失
3. Site-selective formation of an iron(IV)-oxo species at the more electron-rich iron atom of heteroleptic mu-nitrido diiron phthalocyanines [J] . Isci Umit, Faponle Abayomi S., Afanasiev Pavel, Chemical science . 2015,第8期

机译：铁（IV）-氧物种的定点形成在杂多性mu-nitrido diiron酞菁的较富电子的铁原子上
4. Combination of Scanning Auger and Very-Low-Energy Electron Microscopy [C] . International centennial symposium on the electron . 1998

机译：扫描螺旋钻和极低能量电子显微镜的组合
5. I. Studies towards catalytic site-selective carbon-hydrogen activation. II. A combinatorial approach to atom transfer catalyst discovery. [D] . Moreira, Rayane Fin. 2003

机译：I.对催化位点选择性碳氢活化的研究。二。原子转移催化剂发现的组合方法。
6. Site-selective formation of an iron(iv)–oxo species at the more electron-rich iron atom of heteroleptic μ-nitrido diiron phthalocyanines [O] . Ümit İşci, Abayomi S. Faponle, Pavel Afanasiev, 2015

机译：铁（iv）-氧代物种的位点选择性形成在杂合性μ-nitrido二铁酞菁的电子含量更高的铁原子上
7. Site-selective formation of an iron(IV)-oxo species at the more electron-rich iron atom of heteroleptic mu-nitrido diiron phthalocyanines [O] . Isci, U., Faponle, A. S., Afanasiev, P., 2015

机译：铁（IV）-氧物种的位点选择性形成在杂多性mu-nitrido diiron酞菁的较富电子的铁原子上
8. Further Evidence for Enhanced Vibrational Relaxation Induced by Very-Low-Energy Atom-Polyatom Collisions [R] . Jouvet, C., Sulkes, M., Rice, S. A. 1981

机译：由极低能原子 - 多原子碰撞引起的增强振动弛豫的进一步证据

Bond- and Site-Selective Loss of H Atoms from Nucleobases by Very-Low-Energy Electrons (<3eV)

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