通过钯催化的直接C–H芳基化反应合成了带有6-芳基-1,4-二硫富烯基的新型多级氧化还原四硫富瓦烯(TTF)。在催化量的Pd(OAc)2,P(t- Bu 3)·HBF 4和过量的Cs 2 CO 3存在下,TTF的C–H芳基化与数个带有1,3-芳基溴的芳基化二硫醇-2-亚烷基有效地发生以产生相应的π-共轭分子。我们还通过数字仿真成功地估算了所获得化合物的每个氧化步骤中的氧化电位和电子数量。
通过钯催化的直接C–H芳基化反应合成了带有6-芳基-1,4-二硫富烯基的新型多级氧化还原四硫富瓦烯(TTF)。在催化量的Pd(OAc)2,P(t- Bu 3)·HBF 4和过量的Cs 2 CO 3存在下,TTF的C–H芳基化与数个带有1,3-芳基溴的芳基化二硫醇-2-亚烷基有效地发生以产生相应的π-共轭分子。我们还通过数字仿真成功地估算了所获得化合物的每个氧化步骤中的氧化电位和电子数量。
Bromophenyl substituted dithiafulvenes and tetrathiafulvalene vinylogues: synthesis, structure, and electronic properties
作者:Stephen Bouzan、Louise N. Dawe、Yuming Zhao
DOI:10.1016/j.tetlet.2013.06.077
日期:2013.8
Bis(bromophenyl) substituted tetrathiafulvalenevinylogues (TTFVs) were prepared via oxidative dimerization reactions of corresponding bromophenyl substituted dithiafulvene precursors. The synthesis of ortho-bromophenyl TTFVs led to the formation of an unexpected bis-spiro product, the structure of which was clearly elucidated by single crystal X-ray crystallography. Electronic and redox properties
Redox-Regulated Rotary Motion of a Bis(9-triptycyl)-TTFV System
作者:Guang Chen、Yuming Zhao
DOI:10.1021/ol403295q
日期:2014.2.7
A tetrathiafulvalene vinylogue (TTFV) unit was covalently linked to two benzyltriptycene molecular rotors to form a molecular gearset. Dynamic NMR studies showed that reversible redox reactions at the TTFV central unit exerted regulation over the rotational properties of the 9-triptycyl rotors.
Synthesis and properties of tetrathiafulvalenes bearing 6-aryl-1,4-dithiafulvenes
Novel multistage redox tetrathiafulvalenes (TTFs) bearing 6-aryl-1,4-dithiafulvene moieties were synthesized by palladium-catalyzed direct C–H arylation. In the presence of a catalytic amount of Pd(OAc)2, P(t-Bu3)·HBF4, and an excess of Cs2CO3, the C–H arylation of TTF with several aryl bromides bearing 1,3-dithiol-2-ylidenes took place efficiently to produce the corresponding π-conjugated molecules
通过钯催化的直接C–H芳基化反应合成了带有6-芳基-1,4-二硫富烯基的新型多级氧化还原四硫富瓦烯(TTF)。在催化量的Pd(OAc)2,P(t- Bu 3)·HBF 4和过量的Cs 2 CO 3存在下,TTF的C–H芳基化与数个带有1,3-芳基溴的芳基化二硫醇-2-亚烷基有效地发生以产生相应的π-共轭分子。我们还通过数字仿真成功地估算了所获得化合物的每个氧化步骤中的氧化电位和电子数量。