HETEROCYCLIZATION

作品数：7被引量：5H指数：1
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相关期刊：《Chemical Research in Chinese Universities》《有机化学》《Chinese Chemical Letters》更多>>
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Cascade Cross-Coupling/[3,3]-Sulfonium Rearrangement of Alkynyl Sulfoxides and Ynamides/Ynol Ethers to Construct Tetrasubstituted Furans
《有机化学》2024年第7期2274-2285,共12页Meng Shuyu Guo Wentao Wang Quanrui 
A transition-metal-free strategy for the synthesis of tetrasubstituted furans is reported.Promoted by boron trifluo-ride diethyl etherate,the reaction of alkynyl sulfoxides with ynamides/ynol ethers proceeded via a ca...
关键词：HETEROCYCLIZATION [3 3]-rearrangement sulfonium ion tandem reaction tetrasubstituted furan 
Electrophilic Halogen Reagents-mediated Halogenation: Synthesis of Halogenated Dihydro-1,3-oxazine Derivatives
《Chemical Research in Chinese Universities》2023年第6期933-947,共15页QI Liang QIN Yuji WANG Xueqing CHAI Hongli ZHU Weiwei ZHOU Yifeng 
supported by the National Natural Science Foundation of China(No.22108264).
Halogenation of N-cinnamylbenzamides and N-[(2H-chromen-3-yl)methyl]benzamides using electrophilic halogen source was reported.Various halogenated dihydro-1,3-oxazine derivatives(45 examples)were synthesized in high t...
关键词：Carbon halogen bond 1 3-Oxazine HETEROCYCLIZATION 
Copper-catalyzed chemoselective heterocyclization of two isocyanides:Facile access to pyrroloazepinone derivatives
《Chinese Chemical Letters》2023年第2期202-205,共4页Xiaoyu Guo Jinhuan Dong Yunjie Zhu Lan Bao Zhongyan Hu Xianxiu Xu 
Financial support from the National Natural Science Foundation of China (Nos. 22001151, 22171168, 22101159);Taishan Scholar Program of Shandong Province and Shandong Provincial Natural Science Foundation (Nos. ZR2019QB004, ZR2020QB019) is gratefully acknowledged。
A Cu-catalyzed chemoselective heterocyclization of o-cinnamoyl arylisocyanides with α-substituted tosylmethyl isocyanides is developed for the efficient synthesis benzopyrroloazepinones. An isocyanide insertion into ...
关键词：ISOCYANIDES Domino reactions Pyrroloazepinones 
Heterocyclization of thiocarbonohydrazides:Facile synthesis of 5-unsubstituted-1,3,4-thiadiazoles
《Chinese Chemical Letters》2015年第9期1183-1186,共4页Alaa A.Hassan Fathy F.Abdel-Latif Mohamed Abdel Aziz Sara M.Mostafa Stefan Brse Martin Nieger 
2-（Hydrazinecarbothioyl）-N-substituted hydrazinecarbothioamides react with 2,3,5,6-tetrachloro-1,4-benzoquinone in high yields in a novel fast and facile method to give 5-unsubstituted-1,3,4-thiadiazole-2-amine deri...
关键词：Thiocarbonohydrazides 5-Unsubstituted 1 3 4-thiadiazol-2-amines Tetrachloro-1 4-benzoquinone X-ray crystallography 
Asymmetric synthesis of pedamide using I_2-induced heterocyclization to construct the skeleton
《Chinese Chemical Letters》2009年第7期775-778,共4页De Gang Liu Ji Jun Xue Zhi Xiang Xie Li Ping Wei Hua Bing Zhang Ying Li 
the financial support of the National Natural Science Foundation of China(No.20672050).
An alternative approach to synthesize pedamide, a key building block of pederin was described. Iodine-induced asymmetric heterocyclization was used as the key step to construct the skeleton, a tetrahydropyran ring wit...
关键词：SYNTHESIS Pedamide Pederin 
H-Y-zeolites induced heterocyclization:Highly efficient synthesis of substituted-quinazolin-4(3H) ones under microwave irradiation被引量：5
《Chinese Chemical Letters》2007年第5期533-535,共3页M. Bakavoli O. Sabzevari M. Rahimizadeh 
A highly efficient synthesis of 2-amino-N-substituted-benzamides was performed by the condensation ofisatoic anhydride with several amines in solvent-free conditions under microwave irradiation. H-Y-zeolites induced h...
关键词：Isatoic anhydride 2-Aminobenzamide H-Y-zeolite QUINAZOLINONES 
Synthesis of C-fused Penems By Br-or Cl-Promoted S-Heterocyclization
《Chemical Research in Chinese Universities》2002年第1期93-94,共2页SHI Hong-chang 
Supported by the National Natural Science Foundation of China(No. 2 970 30 0 3)
关键词：β -Lactam S-heterocyclization Br-penem Cl-penem 
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