ACYL

作品数：159被引量：308H指数：8
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相关作者：李晓燕薛松范海阔肖勇马子龙更多>>
相关机构：山东大学中国科学院西北农林科技大学中国热带农业科学院更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划长江学者和创新团队发展计划安徽省自然科学基金更多>>
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Benzylic aroylation of toluenes with unactivated tertiary benzamides promoted by directed ortho-lithiation
《Science China Chemistry》2021年第8期1349-1354,共6页Can-Can Bao Yan-Long Luo Hui-Zhen Du Bing-Tao Guan 
This work was supported by the Natural Science Foundation of Tianjin(19JCYBJC20100).
The deprotonative functionalization of toluenes,for their weak acidity,generally needs strong bases,thus leading to the requirement of harsh conditions and the generation of by-products.Direct nucleophilic acyl substi...
关键词：TOLUENE aroylation unactivated tertiary benzamides directed ortho-lithiation nucleophilic acyl substitution reaction 
Metal-free acyl-directed electrophilic C–H borylation using just BBr3
《Science China Chemistry》2019年第12期1547-1548,共2页Michael J.Ingleson 
supported by the Horizon 2020 Research and Innovation Program (769599)
The considerable utility of organoboranes in synthesis is firmly established,which is in a large part due to the power of the Suzuki-Miyaura cross-coupling reaction for con・structing C-C bonds.Therefore,discovering si...
关键词：desirable organo BONDS 
Stereoselective synthesis of cis- and trans-4-acyl-β-lactams from vicinal diketones and ketoaldehydes
《Science China Chemistry》2011年第11期1711-1717,共7页WANG ZhiXin XU JiaXi 
the support from the National Natural Science Foundation of China (20972013 and 20772005);Beijing Natural Science Foundation (2092022);the Fundamental Research Funds for the Central Universities (ZZ1020);the Doctoral Fund of Ministry of Edu-cation of China (200800100010)
4-Acyl-β-lactams are important synthetic intermediates in both pharmaceutical and organic chemistry. Cis- and trans-4-acyl-β- lactams were synthesized stereoselectively from vicinal diketones via the formation of bu...
关键词：4-acyl-β-lactam DIIMINE DIKETONE imine ketoaldehyde Β-LACTAM stereoselectivity 
Three novel photoisomeric compounds of the 4-acyl pyrazolone derivants: Crystal structures and substituent effects on photo-isomerism in solid state被引量：1
《Science China Chemistry》2008年第7期661-668,共8页WANG JunHua LIU Lang LIU GuangFei GUO JiXi JIA DianZeng 
Supported by the National Natural Science Foundation of China (Grant No. 20462007);University Scientific Research Program of Education Bureau, Xinji-ang Uygur Autonomous Region (XJEDU2004G01 and XJEDU2004E01)
Three new photoisomeric compounds: 1,3-diphenyl-4-benzal-5-pyrazolone 4-methylthiosemicarbazone (DPBP-MTSC), 1,3-diphenyl-4-(4′-methylbenzal)-5-pyrazolone 4-methylthiosemicarbazone (DP4MBP- MTSC), and 1,3-diphenyl-4...
关键词：PHOTOISOMERIZATION PYRAZOLONE PROTON-TRANSFER SUBSTITUTE effects 
Ab initio studies on reaction H_2C═C(OH)Li+CH_3^+(CH_3^-)
《Science China Chemistry》1998年第6期587-595,共9页王义贵 孙昌俊 邓从豪 
ProjectsupportedbytheNationalNaturalScienceFoundationofChina (GrantNo .2 97730 2 5 )
The possible structures and isomerizations of H 2C C（OH）Li are studied theoretically by the gradient analytical method at RHF/631+G* level. According to these results, reactions of H 2C C（OH）Li with CH 3 + and CH ...
关键词：CARBENOID structure ISOMERIZATION ambident REACTIVITY ACYL ANION equivalent. 
Photophysics properties of 4-formacyl-triphenylamine and 4,4'-bisformacyl-triphenylamine
《Science China Chemistry》1996年第3期255-259,共5页莫亦明 白凤莲 张德清 王竹庭 朱道本 
Project supported by the National Natural Science Foundation of China
The photophysical processes of 4-formacyl-triphenylamine (FTA) and 4,4’-bisformacyl-triphenyl-amine (BTA) have been studied. The fluorescences of FTA and BTA with donor (triamine) and acceptor (formacyl) moieties sho...
关键词：twisted INTRAMOLECULAR charge transfer (TICT) ET(30) temperature effect 
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