Synthesis and structure of large difluoromethylene containing alicycles by ring closing metathesis (RCM).
Synthesis and structure of large difluoromethylene containing alicycles by ring closing metathesis (RCM).
复制标题
通过闭环复分解(RCM)合成和结构含二氟亚甲基的大脂环族化合物。
DOI:
10.1039/c3ob42062k
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发表时间:
2013
影响因子:
3.2
通讯作者:
Skibinski M
中科院分区:
文献类型:
--
作者:
Skibinski M
Cyclotetra- and cyclohexa-decane ring systems were prepared with CF2 groups spaced 1,4- and 1,6- for tetradecanes together with 1,5- and 1,6- for hexadecanes. These alicyclic systems were assembled by ring closing metathesis reactions of long terminal diolefins. Ring cyclisation by RCM was promoted by the introduction of the dithiane motif, using a sulfur compatible metathesis catalyst. This gave rise to macrocyclic E-cycloalkanes, which were hydrogenated also using a sulfur compatible catalyst. Finally the dithianes emerged as appropriate precursor motifs for the introduction of difluoromethylene groups. X-Ray structures revealed that the resultant rings have the CF2 groups located only at corner positions and that these groups dictated the overall macrocyclic ring conformations.
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DOI:
--
发表时间:
1970
期刊:
影响因子:
--
作者:
Gerd Borgen;J. Dale
通讯作者:
J. Dale
影响因子:
--
作者:
J. Dale
通讯作者:
J. Dale
影响因子:
16.6
作者:
Skibinski, Maciej;Wang, Yi;O'Hagan, David
通讯作者:
O'Hagan, David
DOI:
--
发表时间:
1997
期刊:
影响因子:
--
作者:
Y. Shon;T. Lee
通讯作者:
T. Lee
DOI:
--
发表时间:
1960
期刊:
影响因子:
--
作者:
J. D. Dunitz;H. M. M. Shearer
通讯作者:
H. M. M. Shearer