Synthesis and inversion barriers of undeca- and dodeca-substituted saddle shaped porphyrin complexes

Synthesis and inversion barriers of undeca- and dodeca-substituted saddle shaped porphyrin complexes
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DOI:
10.1016/j.tetlet.2005.05.100
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发表时间:
2005-07-25
影响因子:
1.8
通讯作者:
Nakamura, M
Nakamura, M
中科院分区:
化学4区
文献类型:
--
作者:
Hoshino, A;Ohgo, Y;Nakamura, M

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报道了一系列高鞍形配合物的合成及其反转势垒。在243 K下,当内消旋苯基被体积更大的2,6-二氯苯基取代时,Δ G(不相等)降低了8 kJ mol(-1),当去除一个外围乙基时,Δ G降低了17 kJ mol(-1)。(c)2005年由Elsevier Ltd.出版
Synthesis and barriers to inversion of a series of highly saddle shaped complexes are reported. The Delta G(not equal) has decreased by 8 kJ mol(-1) at 243 K when the meso phenyl groups are replaced by bulkier 2,6-dichlorophenyl groups, and by 17 kJ mol(-1) when one of the peripheral ethyl groups is removed. (c) 2005 Published by Elsevier Ltd.