首页> 外文期刊>Tetrahedron >Molecular modeling of ring-opening cross metathesis. Distributions of products for the ethenolysis of cis,cis-cycloocta-1,5-diene and cis,cis-1,5-dimethyl-cycloocta-1,5-diene
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Molecular modeling of ring-opening cross metathesis. Distributions of products for the ethenolysis of cis,cis-cycloocta-1,5-diene and cis,cis-1,5-dimethyl-cycloocta-1,5-diene

机译:开环交叉复分解的分子模型。顺式,顺式-环辛-1,5-二烯和顺式,-1,5-二甲基-环辛-1,5-二烯的乙烯醇分解产物的分布

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The molecular modeling of the products distributions for the ethenolysis of cis,cis-cycloocta-1,5-diene and cis,cis-1,5-dimethyl-cycloocta-1,5-diene at 298.15 K using the B3LYP/6-31G(d, p) level of theory reveals that the concentrations of hexa-1,5-dienes at equilibrium with cyclic and alpha,omega-vinyl-terminated molecules depend on the nature of cyclic diene and cis/traps ratio in linear butadiene oligomers. The selectivity of ring-opening cross metathesis of cycloocta-1,5-diene with cis-but-2-ene as chain transfer agent is higher than that with trans-but-2-ene. (C) 2002 Elsevier Science Ltd. All rights reserved. [References: 36]
机译:使用B3LYP / 6-31G在298.15 K下对顺式,顺式-环辛-1,5-二烯和顺式,1,5-二甲基-环辛-1,5-二烯进行乙烯分解的产物分布的分子模型(d,p)理论水平表明,与环状和α,ω-乙烯基封端的分子处于平衡状态时,hexa-1,5-二烯的浓度取决于线性丁二烯低聚物中环状二烯的性质和顺式/陷阱比。以顺丁-2-烯为链转移剂的环辛-1,5-二烯开环交叉复分解的选择性高于反丁-2-烯。 (C)2002 Elsevier ScienceLtd。保留所有权利。 [参考:36]

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