Temperature-dependent isomerisation versus net fragmentation of secondary allylic alcohols with Grubbs' catalyst

Temperature-dependent isomerisation versus net fragmentation of secondary allylic alcohols with Grubbs' catalyst
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DOI:
10.1016/s0040-4039(01)00449-x
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发表时间:
2001-05-21
影响因子:
1.8
通讯作者:
Yakambram, P
Yakambram, P
中科院分区:
化学4区
文献类型:
--
作者:
Gurjar, MK;Yakambram, P

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在甲苯/1,2-二氯乙烷回流反应中,仲烯丙醇与10mol%的GRubbs催化剂发生异构化反应生成乙基酮,而在室温下,100mol%的催化剂发生净裂解反应,失去一个碳原子,生成甲基酮。描述了可能的机制。(C)2001爱思唯尔科学有限公司。保留所有权利。
Secondary allylic alcohols with 10 mol% of Grubbs catalyst in refluxing toluene/1,2-dichloroethane undergo isomerisation to ethyl ketones whereas with 100 mol% of Grubbs catalyst at room temperature, a net fragmentation reaction with the loss of a carbon atom occurs, to provide a methyl ketone. Probable mechanisms are described. (C) 2001 Elsevier Science Ltd. All rights reserved.