ENALS

作品数：6被引量：1H指数：1
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相关期刊：《Science China Chemistry》《Chinese Chemical Letters》《Organic Chemistry Frontiers》更多>>
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N-heterocyclic carbene-catalyzed atroposelective synthesis of axially chiral 5-aryl 2-pyrones from enals被引量：1
《Science China Chemistry》2022年第10期1953-1961,共9页Guanjie Wang Juhui Huang Linxue Zhang Jinna Han Xiaoxiang Zhang Jie Huang Zhenqian Fu Wei Huang 
supported by the National Key R&D Program of China (2017YFA0204704);the National Natural Science Foundation of China (21602105);the General Program of Chongqing Natural Science(cstc2020jcyj-msxmX0712);Ningbo Natural Science Foundation (202003N4063);the Natural Science Foundation of Jiangsu Province (BK20221309)
Axially chiral molecules have been widely used in inorganic,material and medicinal chemistry.Compared with well-established N-heterocyclic carbene(NHC)-catalyzed asymmetric construction of centrally chiral molecules,N...
关键词：N-heterocyclic carbene ORGANOCATALYSIS atroposelective synthesis 2-pyrones ENALS 
N-Heterocyclic carbene-catalyzedenantioselective dearomatizing annulation ofbenzoxazoles with enals
《Organic Chemistry Frontiers》2022年第6期1556-1560,共5页Yunpeng Chu Fang Hu Peng Feng Xin-Ping Hui 
support of the National Natural Science Foundation(21971094).
The first N-heterocyclic carbene-catalyzed enantioselective dearomatizing annulation of benzoxazoleswith α,β-unsaturated aldehydes has been achieved. The reaction was found to be compatible with a widerange of benzo...
关键词：CATALYZED CARBENE ENANTIOSELECTIVE 
NHC-catalysed[3+2]-asymmetric annulation between pyrazolin-4,5-diones and enals:synthesis of novel spirocyclic pyrazolone γ-butyrolactones and computational study of mechanism and stereoselectivity
《Organic Chemistry Frontiers》2022年第2期420-427,共8页Marta Gil-Ordonez Alicia Maestro Pablo Ortega Pablo G.Jambrina Jose M.Andres 
Junta de Castilla y León(Projects:FEDER-VA115P17,and VA149G18)for financial support;the Laboratory of Instrumental Techniques(LTI)Research Facilities,Universidad de Valladolid;Junta de Castilla y León for a predoctoral fellowship(EDU/556/2019);grant PID2020-113147GA-I00 funded by MCIN/AEI/10.13039;by the Fundación Salamanca City of Culture and Knowledge(programme for attracting scientific talent to Salamanca);Grant No.EDU/601/2020(Junta de Castilla y Leon and European Social Fund).
Chiral pyrazolones with a spirocyclic centre at the C4-position are widely found in a large family of medically relevant compounds.In recent years,organocatalysis,particularly that performed with quiral N-heterocyclic...
关键词：synthesis spiro mechanism 
Organocatalytic asymmetric [3+3] annulation of isatin N,N’-cyclic azomethine imines with enals:Efficient approach to functionalized spiro N-heterocyclic oxindoles
《Chinese Chemical Letters》2021年第2期672-675,共4页Boqi Gu Shuxiao Wu Hui Xu Wulin Yang Zhixiang Liu Weiping Deng 
supported by the National Natural Science Foundation of China (No.21572053);Opening Project of Zhejiang Provincial Preponderant and Characteristic Subject of Key University (Traditional Chinese Pharmacology),Zhejiang Chinese Medical University (No.ZYAOX2018029)。
An unprecedented chiral secondary amine-catalyzed [3+3] annulation of isatin N,N’-cyclic azomethine imines with α,β-unsaturated aldehydes was developed.This strategy allowed the construction of structurally novel s...
关键词：Chiral secondary amine [3+3]Annulation Azomethine imines Spiro N-heterocyclic oxindole Asymmetric synthesis 
Direct construction of 3',4'-dihydrospiro[pyrrol-3,2'-oxindoles]through a cascade Michael/cyclization reaction of 3-aminoindolin-2-ones with enones/enals
《Chinese Chemical Letters》2015年第8期1050-1053,共4页Dao-Cai Wang Hang Song Chun-Yun Xu Hui Dong Jie Liu 
Financial support for this work by the National Natural Science Foundation of China(No.81202403);West China HospitalChengdu Science and Technology Department Translational Medicine Innovation Foundation(No.ZH13039)
A simple and efficient cascade Michael/cyclization reaction of 3-aminoindolin-2-ones with enones/enals was identified for the synthesis of potentially biologically active 3＇,4＇-dihydrospiro[pyrrol-3,2＇-oxindoles], ...
关键词：cyclization glycol cascade starting analog biologically diverse potentially pyrrolidine spiro 
Efficient preparation of trans-α,β-unsaturated aldehydes from saturated aldehydes by oxidative enamine catalysis
《Science China Chemistry》2011年第12期1932-1936,共5页ZHANG ShiLei XIE HeXin SONG AiGuo WU DeYan ZHU Jin ZHAO SiHan LI Jian YU XinHong WANG Wei 
the financial support from the National Science Foun-dation (CHE-1057569,W. W.);the China 111 Project (B07023,J. L. and W. W.);the National Natural Science Foundation of China (20972051,X. Y.-H.);the Science and Technology Commission of Shanghai Mu-nicipality (08430703900 & 08431901800,X. Y.-H.)
A mild and highly efficient amine-catalyzed, IBX-mediated oxidation of aldehydes to （E） selective a, β-unsamrated aldehydes has been achieved in good yields. The process features a new oxidation of enamines to imin...
关键词：ALDEHYDES ENALS ENAMINES IBX oxidative enamine catalysis 
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