KETENE

作品数：37被引量：21H指数：2
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相关领域：理学更多>>
相关作者：陆良秋更多>>
相关机构：华中师范大学更多>>
相关期刊：《Journal of Rare Earths》《Science China Chemistry》《Chemical Research in Chinese Universities》《Progress in Natural Science:Materials International》更多>>
相关基金：国家自然科学基金中科院创新基金湖北省自然科学基金国家重点基础研究发展计划更多>>
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Theoretical Study on the Reaction Mechanism of Ketene CH2CO with Isocyanate NCO Radical
《Chinese Journal of Chemistry》2007年第8期1105-1111,共7页赵丽薇 阚伟 于海涛 付宏刚 孙家钟 
The bimolecular single collision reaction potential energy surface of an isocyanate NCO radical with a ketene CH2CO molecule was investigated by means of B3LYP and QCISD（T） methods. The computed results indicate tha...
关键词：KETENE isocyanate NCO radical quantum chemistry method reaction mechanism 
Azo-coupling Decarboxylation Reaction of α-Carboxy Ketene Dithioacetals in Water-a New Route to 1,2-Diaza-1,3-butadienes被引量：1
《Chinese Journal of Chemistry》2006年第10期1431-1434,共4页徐显秀 王芒 刘群 潘玲 赵玉龙 
Project supported by the National Natural Science Foundation of China （No. 20272008） and the Key Grant Project of Chinese Mimstry of Eucation （No. 10412）.
Under basic conditions, a series of 4,4-dialkylthio-l,2-diaza-l,3-butadienes were synthesized in good to excellent yields via a novel azo-coupling decarboxylation reaction by reacting a-carboxyl ketene dithioacetals w...
关键词：α-carboxy ketene dithioacetal azo-coupling decarboxylation reaction 4 4-dialkylthio-l 2-diaza-l 3-butadiene 
Synthesis and Characterization of [Cp2Ln（μ-η1：η2-OC（SR）=CPh2）]2 （R=Bn, Ph and Ln=Yb, Er, Y）
《Chinese Journal of Chemistry》2006年第2期231-234,共4页张春梅 刘瑞婷 红珍霞 周锡庚 
Project supported by the National Natutral Science Foundation of China （No. 20372016）.
[Cp2Ln（μ-SR）]2 was reacted with Ph2C=C=O to yield ketene mono-insertion products [Cp2Ln（μ-η1：η2-OC（SR）=CPh2）]2 [R=Bn, Ln=Yb （1）, Er （2）, Y （3） and R--Ph, Ln=Yb （4）], indicating that the reactions of...
关键词：organolanthanide INSERTION KETENE structure CYCLOPENTADIENYL 
Synthesis of 2-Benzylthio-5-phenyl-3,4-disubstituted Thiophenes by Intramolecular Condensation of α-Oxo Ketene Dibenzyl^thioacetals被引量：1
《Chinese Journal of Chemistry》2002年第12期1591-1597,1464,共0页王芒 艾林 张继余 刘群 高连勋 
theNationalNaturalScienceFoundationofChina (No. 2 986 2 0 0 4),theScienceandTechnologyDevelopmentProgramFoundationofJilinProvince (No.2 0 0 10 5 0 5)andtheYouthFoundationofNortheastNormalUniversity (No.111379)
A facile route to 2-benzylthio-5-phenyl-3,4-disubstituted thiophenes was described. Catalyzed by sodium hydroxide, the title compounds were synthesized in moderate to good yields simply from the intramolecular aldol t...
关键词：α-oxo ketene dithioacetals α-oxo ketene dibenzylthioacetals multisubstituted thiophenes intramolecular aldol type condensation 
Comparative studies on the concerted and two-step mechanism of ketene-methylenimine cycloaddition
《Chinese Journal of Chemistry》1996年第2期97-104,共8页Fang, DC Fu, XY 
Project supported by the State Education Commission of China and the National Natural Science Foundation of China.
The concerted reaction mechansim of the ketene-methylenimine cycloaddition reaction was reconfirmed by IRC calculation at HF/6-31G* level. Other possible reaction schemes were also studied. The cis and gauch intermedi...
关键词：KETENE methylenimine CYCLOADDITION MECHANISM 
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