Electrophilic activation and reactivity control of fluorinated alkenes by transition-metal complexes
Electrophilic activation and reactivity control of fluorinated alkenes by transition-metal complexes
批准号:
23655028
负责人:
ICHIKAWA Junji
金额:
$2.5万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Challenging Exploratory Research
财政年份:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2012
中文摘要
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英文摘要
We have found that treatment of 1,1-difluoro-1-alkenes (or 1,1,2-trifluoro-1-alkenes) bearing a biphenyl skeleton with cationic Pd(II) catalysts, generated from palladium(II) chloride and silver salts, smoothly affords fluorinated (or difluorinated) phenanthrene derivatives. In this process, the fluorinated alkene moieties seem to be electrophilically activated through π coordination to Pd(II) center, which promotes Friedel-Crafts-type cyclizations to give the products.Regioselective syntheses of fluorinated polycyclic aromatic hydrocarbons (F-PAHs) have been accomplished by our catalytic process starting from well-designed 1,1-difluoro-1-alkenes.
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Synthesis of substituted F-PAHs: Palladium(II)-catalyzed Friedel-Crafts-type cyclizations of 1,1-difluoro-1-alkenes via their electrophilic activation
取代的 F-PAH 的合成:钯 (II) 催化的 1,1-二氟-1-烯烃通过亲电活化进行弗里德尔-克来福特型环化
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Ueda, R.; Morikawa, T.; Tanabe, H.; Fuchibe, K.; Ichikawa, J]
通讯作者:
J
Facile Synthesis of Fluorinated Benzoheterole Derivatibes via Regioselective Allylic Substituion of 3-Bromo-3,3-difluoropropene
通过 3-溴-3,3-二氟丙烯的区域选择性烯丙基取代轻松合成氟化苯杂环衍生物
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Sugiyama, K.; Sanada, S.; Chiba, Y.: Fujita, T、Ichikawa, J]
通讯作者:
J
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Fuchibe, K.; Zhao, N.; Ichikawa, J]
通讯作者:
J
Regioselectivity-switchable allylic substitution of 3-bromo-3,3-difluoropropene with heteronucleophiles toward syntheses of fluorinated dihydrobenzoheteroles
3-溴-3,3-二氟丙烯与异核试剂的区域选择性可切换烯丙基取代用于合成氟化二氢苯杂环化合物
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Sugiyama, K.; Sanada, S.; Chiba, Y.; Fujita, T.; Ichikawa, J.]
通讯作者:
J.
DOI:
10.1002/anie.201102210
发表时间:
2011-06
期刊:
Angewandte Chemie
影响因子:
--
作者:
[Waka Nakanishi;Taisuke Matsuno;J. Ichikawa;H. Isobe]
通讯作者:
Waka Nakanishi;Taisuke Matsuno;J. Ichikawa;H. Isobe
共 23 条
Catalytic Syntheses of Fluorine-Containing Compounds via Fluorine-Substituted Transition Metal Carbene Complexes
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批准号:16K13943
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项目类别:Grant-in-Aid for Challenging Exploratory Research
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资助金额:$2.33万
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财政年份:2016
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负责人:ICHIKAWA Junji
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依托单位:
A GENERAL METHOD FOR THE SYNTHESIS OF POLYCYCLIC AROMATIC HYDROCARBONS BASED ON SEQUENCIAL CATIONIC CYCLIZATIONS
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批准号:20350016
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$12.4万
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财政年份:2008
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负责人:ICHIKAWA Junji
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依托单位:
Synthesis of Helicenes and Related Compounds Based on the Domino Cationic Cyclization of gem- Difluoroalkenes
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批准号:17550031
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.37万
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财政年份:2005
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负责人:ICHIKAWA Junji
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依托单位:
Construction of Fused Polycyclic System via Tandem Cationic Cyclization by Using the Properties of Fluorine
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批准号:14540488
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.3万
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财政年份:2002
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负责人:ICHIKAWA Junji
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依托单位:
Selective Generation of Carbocations and Construction of Fused Ring Systems by Using α-Cation-Stabilizing Effect of Fluorine
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批准号:11650899
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.24万
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财政年份:1999
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负责人:ICHIKAWA Junji
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依托单位:
Construction of Ring-Flourinated Heterocycles via Intramolecular Substitutions for Vinylic Flourines
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批准号:09640641
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.43万
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财政年份:1997
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负责人:ICHIKAWA Junji
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依托单位:
海外基金