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Abstract:
采用从头算方法在3-21G基组上研究了1,3-环己二烯与丙烯生成exo和endo产物的反应机理.该反应生成exo和endo产物各存在三条反应途径,其中两条为分步途径,一条为协同途径.经计算研究表明:1,3-环己二烯与丙烯生成exo和endo产物的有利途径为经过一个双自由基中间体的分步过程,由丙烯端位碳原子先进攻的分步过程最为容易.对应于该过程,生成exo和endo产物的反应速控步骤的位垒值分别为80.69kJ/mol和75.58kJ/mol.表明生成endo产物的反应比生成exo产物的反应略为有利.
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Source :
化学学报
ISSN: 0567-7351
Year: 1998
Issue: 6
Volume: 56
Page: 544-549
2 . 5 0 0
JCR@2022
ESI Discipline: CHEMISTRY;
JCR Journal Grade:4
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 0
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