PHOSPHORANE

作品数：5被引量：1H指数：1
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相关期刊：《Nano Materials Science》《Advances in Manufacturing》《Chinese Journal of Chemistry》《Chinese Chemical Letters》更多>>
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Pentacoordinate Phosphoranes as Versatile Reagents in Fluoroalkylation Reactions
《CCS Chemistry》2024年第1期165-176,共12页Huanhuan Song Weihao Li Xiaoying Wang Kaiteng Wang Jingwen Li Shuai Liu Pin Gao Xin-Hua Duan Jinbo Hu Mingyou Hu 
supported by National Natural Science Foundation of China(grant no.21901196);the Natural Science Basic Research Plan in Shaanxi Province of China(grant nos.2020JQ-016 and 2021GXLH-Z-096);the Fundamental Research Funds for the Central Universities(grant no.xhj032021007-01);Xi’an Jiaotong University(grant no.71211920000001).
A general method for the synthesis of bench-stable bis(difluoromethyl)pentacoordinate phosphoranes has been developed.The reaction is rapid,operationally simple,and easily scalable.The pentacoordinate phosphoranes can...
关键词：pentacoordinate phosphorane difluoromethyl radical DIFLUOROCARBENE DIFLUOROMETHYLATION FLUOROALKYLATION 
First principles study of field effect device through van der Waals and lateral heterostructures of graphene, phosphorene and graphane被引量：1
《Nano Materials Science》2022年第1期52-59,共8页C.Rebolledo Espinoza D.A.Ryndyk A.Dianat R.Gutierrez G.Cuniberti 
supported through the German Research Foundation within the project “Straintronics of imperfect quasi-two-dimensional materials: coplanar vs lamellar heterostructures” (CU 44/43).
Chemical modification and vertical stacking of two-dimensional materials are promising techniques for new nanoelectronic devices. We present Density Functional Tight Binding(DFTB) calculations of a field-effect device...
关键词：2D materials van der Waals hetenstucture GRAPHENE PHOSPHORANE GRAPHANE DFTB Defects Fleld effect 
A Facile Synthesis of 2, 7-Diaminothieno[2, 3-d:5,4-d]-dipyrimidine-4, 5(3H, 6H)diones
《Chinese Chemical Letters》2005年第9期1177-1180,共4页Sheng Zhen XU Min Hui CAO Ming Wu DING Hong Wu HE 
We gratefully acknowledge financial support of this work by the National Key Project for Basic Research(2003CB114400,2003CB114406);the National Natural Science Foundation of China(Project No.20372023 and 20102001).
2, 7-Diaminothieno[2, 3-d：5, 4-d]dipyrimidine-4, 5（3H, 6H）diones 4 were synthesized by a facile synthetic method, which includes bis-aza-Wittig reaction of bis-iminophosphorane 1 with aromatic isocyanate to give bi...
关键词：Thieno[2 3-d：5 4-d]dipyrimidine-4 5（3H 6H）dione bis-aza-Wittig reaction bisimino-phosphorane bis-carbodiimide synthesis. 
A Simple Approach to the Synthesis of 2H-1-Benzopyrans and 3H-Naphtho[2,1-b] pyran Via Intramolecular Wittig Reactiont
《Advances in Manufacturing》1997年第1期83-86,共4页曹卫国 张平生 陈米 沈嵘 丁维钰 
In the presence of K2CO3, 2-hydroxyethyltripheny phosphonium bromide (1) reacts with substituted salicylaldehyde (2) and 2-hydroxy-1 naphthaldehyde (4) at 110 ℃ in a sealed tube. The title compounds were prepared in ...
关键词：PHOSPHORANE aldehyde bezopyran NAPHTHOPYRAN intramolecular Wittig reaction 
Synthesis of dimethyl 3-perfluoroalkyl-4-(3-oxo-2-triphenyl-phosphoranylidenbutanylidene)-pent-2-enedioate and its cyclization
《Chinese Journal of Chemistry》1995年第5期468-474,共7页Ding, WY Cao, WG Yao, Y Zhu, ZM 
Project supported by the National Natural Science Foundation of China.
The title compounds 5a-5c were prepared via the reaction of methyl 2-perfluoroalkynoates (4) with methyl 5-oxo-4-(triphenylphosphoranylidene)hex-2-enoate (3), which was obtained from the reaction of methyl propynate (...
关键词：PHOSPHORANE polysubstituted arene intramolecular cyclization 
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