CARBOCATION

作品数：14被引量：23H指数：3
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相关领域：理学更多>>
相关作者：王贵更多>>
相关机构：包头师范高等专科学校更多>>
相关期刊：《Plant Communications》《Science Bulletin》《阴山学刊（自然科学版）》《Science China Chemistry》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金高等学校学科创新引智计划更多>>
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Expanding catalytic promiscuity of a bifunctional terpene synthase through a single mutation-induced change in hydrogen-bond network within the catalytic pocket
《Synthetic and Systems Biotechnology》2024年第2期380-387,共8页Xinye Wang Yiyi Huang Weiyan Zhang Kangjie Lv Xiaoying Li Zhixin Wang Li Zhang Tom Hsiang Lixin Zhang Liming Ouyang Xueting Liu 
We gratefully acknowledge the financial support from the National Key Research and Development Program of China(2019YFA0906201,2020YFA090032,2022YFC2105400);the National Natural Science Foundation of China(22307037,21907031,81903529,21977029,31720103901,21877124);the Open Project Funding of the State Key Laboratory of Bioreactor Engineering,the 111 Project(B18022).
Fungal bifunctional terpene synthases(BFTSs)catalyze the formation of numerous di-/sester-/tri-terpenes skeletons.However,the mechanism in controlling the cyclization pattern of terpene scaffolds is rarely deciphered ...
关键词：Bifunctional terpene synthase Sesterterpene Carbocation transportation Density functional theory calculations Molecular dynamics simulations 
The complexities of proanthocyanidin biosynthesis and its regulation in plants被引量：3
《Plant Communications》2023年第2期12-27,共16页Keji Yu Yushuang Song Jinxing Lin Richard A.Dixon 
supported by the Program of Introducing Talents of Discipline to Universities(111 Project,B13007);the National Natural Science Foundation of China(32030010);the China Postdoctoral Science Foundation(2020M680404 to K.Y.).
Proanthocyanidins(PAs)are natural flavan-3-ol polymers that contribute protection to plants under biotic and abiotic stress,benefits to human health,and bitterness and astringency to food products.They are also potent...
关键词：condensed tannin proanthocyanidin carbocation chemistry metabolic channeling non-enzymatic polymerization 
Bio-inspired Small Molecular Catalysis被引量：2
《Chinese Journal of Chemistry》2023年第5期548-559,共12页Mao Cai Runze Zhang Chunming Yang Sanzhong Luo 
references,for their significant contributions to this project and the Natural Science Foundation of China(21861132003,91956000 and 22031006);Tsinghua University Initiative Scientific Research Program for financial support.
What is the most favorite and original chemistry developed in your researchgroup?I hope it's always the next one.How do you get into this specific field?Could you please share some experiences with ourreaders?Nature p...
关键词：Bio-inspired catalysis ENAMINE ortho-Quinone CARBOCATION ORGANOCATALYSIS Physical organic chemistry 
Recent advance in carbocation-catalyzed reactions
《Chinese Chemical Letters》2023年第2期18-32,共15页Wei Xiao Jie Wu 
Financial support from National Natural Science Foundation of China (No. 21871053);the Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang (No. 2019R01005);the Open Research Fund of School of Chemistry and Chemical Engineering, Henan Normal University (No. 2020ZD04) is gratefully acknowledged。
Carbocations such as tropylium and trityl cation, can be stable enough to be isolated and used without inert conditions. They can act as Lewis acids to lower the LUMO of electrophile, thus promoting reactions with nuc...
关键词：CARBOCATION Lewis acid Photoredox catalysis Tropylium cation Trityl cation 
Optical nature of non-substituted triphenylmethyl cation:Crystalline state emission,thermochromism,and phosphorescence
《Aggregate》2021年第6期99-108,共10页Tomohiko Nishiuchi Hikaru Sotome Risa Fukuuchi Kenji Kamada Hiroshi Miyasaka Takashi Kubo 
JSPSKAKENHI Grant-in-Aid for Scientific Research(C),Grant/Award Number:JP20K05475(Tomohiko Nishiuchi);Scientific Research(B),Grant/Award Number:JP21H01887(Kenji Kamada)。
Since the discovery of the triphenylmethyl(trityl)cation 120 years ago,a variety of aromatic cations having various colors and luminescence properties have been rigorously studied.Many,differently substituted trityl c...
关键词：aggregation induced emission CARBOCATION PHOSPHORESCENCE crystal phase transition THERMOCHROMISM 
Octane compositions in sulfuric acid catalyzed isobutane/butene alkylation products:experimental and quantum chemistry studies
《Frontiers of Chemical Science and Engineering》2021年第5期1229-1242,共14页Lina Liang Youzhi Liu Weizhou Jiao Qiaoling Zhang Chao Zhang 
International(regional)cooperation and exchange program(Grant No.21961160740);the open foundation of State Key Laboratory of Chemical Engineering(Grant No.SKL-ChE-19B02);the North University of China Graduate Science and Technology Project(Grant Nos.20191621,20191626).
Octanes in alkylation products obtained from industrial alkylation were studied by batch experiments.More than eight octane isomers were identified and quantified by gas chromatography-mass spectrometry.Based on a cla...
关键词：sulfuric acid catalyzed alkylation carbocation reaction transition state octane compositions 
Highly Stereoselective Positional Isomerization of Styrenes via Acid-Catalyzed Carbocation Mechanism被引量：1
《Chinese Journal of Chemistry》2021年第8期2227-2233,共7页Xiao-Si Hu Jun-Xiong He Ying Zhang Jian Zhou Jin-Sheng Yu 
We gratefully acknowledge the financial support from the National Natural Science Foundation of China(Grant No.21901074);"Zijiang Scholar Program"of East China Normal University。
The first transition metal-free highly stereoselective positional isomerization of various α-alkyl styrenes through a carbocation mech-anism triggered strategy is developed by using AI(OTf)_(3) as a hidden Br0nsted a...
关键词：ISOMERIZATION ALKENES STEREOSELECTIVE CARBOCATION Hidden Bronsted acid catalysis 
The mechanism and kinetics of oil shale pyrolysis in the presence of water被引量：7
《Carbon Resources Conversion》2018年第2期160-164,共5页Yue Ma Shuyuan Li 
We thank the following foundation for the financial support:the National Basic Research Program of China(973 programs,No.2014CB744302);Taishan Scholar Constructive Engineering Foun-dation of Shandong province,China(No.ts20120518).
The hydrous thermo-simulation experiments on oil shale sample from Liushuhe basin have been performed using autoclave.The mechanism and kinetics of oil shale pyrolysis were investigated.The formation mechanism of pyro...
关键词：Oil shale MECHANISM Free radicalreaction Carbocation reaction KINETICS Aqueous medium 
Effects of U-ore on the chemical and isotopic composition of products of hydrous pyrolysis of organic matter被引量：2
《Petroleum Science》2017年第2期315-329,共15页Yu-Wen Cai Shui-Chang Zhang Kun He Jing-Kui Mi Wen-Long Zhang Xiao-Mei Wang Hua-Jian Wang Chao-Dong Wu 
In order to investigate the impact of U-ore on organic matter maturation and isotopic fractionation,we designed hydrous pyrolysis experiments on Type-II kerogen samples,supposing that the water and water–mineral inte...
关键词：Organic-inorganic interaction Hydrous pyrolysis Stable isotopes U-ore Carbocation mechanism 
Biomimetic Cationic Cyclization toward ent-Kaurene-type Diterpenoids被引量：1
《Chinese Journal of Chemistry》2013年第1期111-118,共8页Lili Zhu Ran Hong 
Terpenoids comprise the largest family of natural products and include various structurally different genus which play important roles in living organisms. Biosynthetically, diterpenoids are derived from （E,E,E）-ger...
关键词：DITERPENOID ent-kaurene biomimetic synthesis carbocation cyclization Birch reduction/alkylationcascade 
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