Ling Li

Jiangxi Academy of Sciences

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Ji‐Yong Zou

Jiangxi Academy of Sciences

Shengyong You

Jiangxi Academy of Sciences

Qingmin Wang

Nankai University

Yuxiu Liu

Naval University of Engineering

Kaihong Chen

First Affiliated Hospital of Fujian Medical University

Peng Sun

Second Military Medical University

Jian‐Zhong Cui

Tianjin University

Bo Su

Nankai University

Yanghua Yi

Second Military Medical University

Shaowei Zhang

Hunan University of Science and Technology

Cooperative Institutions

Chinese Academy of Sciences

Nankai University

Hunan University

Jiangxi Academy of Sciences

Soochow University

Collaborative Innovation Center of Chemical Science and Engineering Tianjin

Fudan University

Peking University

GlaxoSmithKline (United States)

Tianjin University

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Rhodium/Amine Dual Catalytic System for Reassembling C≡C Bonds of Conjugated Alkynes with Cyclopropenes via Cutting/Insertion Cascade

ACS Catalysis (2022)

Jie Chen Jia‐Bin Han Jian Zhang Ling Li Zhengyu Zhang

Amines are powerful organocatalysts that are well-documented in catalyzing carbonyl compounds to realize transformations. However, they are rarely applied in alkyne activations. Herein, we disclose an efficient amine/Rh(II) dual catalytic system to reassemble the C≡C bond of conjugated alkynes with cyclopropenes, which enables construction of α-vinyldicarbonyl derivatives under very mild reaction conditions. Vinyl cyclopropylamines might be involved as key intermediates through ring-opening of cyclopropenes, catalytic amination of alkynes, and tandem cyclopropantion sequences in high atom and step-economies. This formal cutting/insertion cascade platform is compatible with a broad substrate scope including complex natural and unnatural molecules for late-stage functionalization.

Alkyne

Cascade reaction

Triple bond

Atom economy

Tandem

Surface Modification

10.1021/acscatal.2c03777

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Citations (10)

A new triterpene glycoside from sea cucumber Holothuria leucospilota

Chinese Chemical Letters (2007)

Hua Han Yang Yi Ling Li Xiaohua Wang Bao Shu Liu

10.1016/j.cclet.2006.12.027

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Citations (37)

Respiratory tract nursing of patient with maxillofacial trauma

Zhonghua xiandai huli zazhi (2010)

Ling Li Yunmei Chen Weixin Xiong

Objective To summarize the experiences of respiratory tract nursing in patient with maxillofacial trauma. Methods To summarize standards of general nursing, respiratory tract nursing, posttracheotomy nursing and oral nursing for 297 patients with maxillofacial trauma in 2004-2009. Results In 297 patients, 12 cases underwent tracheotomy, 3 cases needed life-support machine, no patients died from respiratory complications. Conclusions Close observation and nursing can help to find pristine respiratory complications, keep respiratory tract unobstructed, decrease complications and mortality, achieve the prospective curative effect. Key words: Maxillofacial trauma; Respiratory tract; Nursing

Respiratory tract

Tracheotomy

10.3760/cma.j.issn.1674-2907.2010.30.012

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Effect of antioxidants on the quality of unrinsed clarias gariepinus surimi.

Ning YunXia Yang QiYue Bao JiaTong Wang Yang Ma LiZhen

Clarias gariepinus

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A Solvent-Stable Zinc(II)–Gadolinium(III) Metal–Organic Framework Assembled with Furan-2,5-Dicarboxylic Acid: Synthesis, Crystal Structure and Magnetic Property

Journal of Inorganic and Organometallic Polymers and Materials (2018)

Ji‐Yong Zou Ling Li Shengyong You Yuewei Liu Hongmin Cui

Furan

Thermogravimetric analysis

Dicarboxylic acid

10.1007/s10904-018-1006-5

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Citations (4)

Effect of tea polyphenols and ascorbic acid on residual nitrite and lipid oxidation in cured and cooked meat model system

Ling Li

In cured and cooked meat model system,different contents of tea polyphenols and ascorbic acid on color,residual nitrite and lipid oxidation were investigated. The results showed that tea polyphenols and ascorbic acid significantly decreased residual nitrite. Ascorbic acid was more effective than tea polyphenols ( p 0.05) . TBARS increased gradually during curing,but were reduced with tea polyphenols and ascorbic acid,tea polyphenols was more effective than ascorbic acid. Color was increased during curing,ascorbic acid was more effective than tea polyphenols( p 0.05) .Tea polyphenols and ascorbic acid had no significant effects on color in cooked meat( p 0.05) .

TBARS

Lipid Oxidation

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Synthesis and unusual properties of novel alkylbenzene sulfonate gemini surfactants

Colloids and Surfaces A Physicochemical and Engineering Aspects (2006)

Xigang Du Yao Lu Ling Li Jinben Wang Zhengyu Yang

Krafft temperature

Carbon chain

10.1016/j.colsurfa.2006.05.013

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Citations (63)

A usf Zinc(II) Metal–Organic Framework as a Highly Selective Luminescence Probe for Acetylacetone Detection and Its Postsynthetic Cation Exchange

Crystal Growth & Design (2018)

Ji‐Yong Zou Ling Li Shengyong You Kaihong Chen Xiaona Dong

A anionic zinc(II) metal–organic framework (MOF) {[(CH3)2NH2][Zn(FDA)(BTZ)2]}n (1) (H2FDA = furan-2,5-dicarboxylic acid and HBTZ = 1H-benzotriazole) was synthesized under solvothermal conditions. This MOF demonstrates a rare planar 4-connected usf topology and exhibits high thermal and chemical stabilities. Postsynthetic cation exchange of 1 with Cu2+, Co2+, and Ni2+ afforded a series of mixed-metal loaded MOFs: {[(CH3)2NH2][ZnxM1-x(FDA)(BTZ)2]}n (M2+@1) (M2+ = Cu2+, x = 0.59; M2+ = Co2+, x = 0.83; M2+ = Ni2+, x = 0.58). More importantly, 1 is investigated as a turn-off luminescent probe to sensitively and selectively detect acetylacetone with the detection limit of 0.647 μmol/L, which demonstrates the first anionic framework as a luminescence probe for effectively recognizing acetylacetone.

Acetylacetone

10.1021/acs.cgd.8b00344

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Citations (76)

Photodsc analysis of UV-curable hydrogels

Ling Li L. James Lee

Photopolymerization is a widely used technique to synthesize polymers and hydrogels. The commonly used ultra-violet (UV)-curable mono-, di- or multifunctional vinylated monomers or macromonomers are often volatile, causing difficulty in the accurate measurement of reaction kinetics using Photo Differential Scanning Calorimetry (PhotoDSC). In this work, the DSC sample pan is chemically and physically modified such that the resin sample can be laid uniformly in the sample pan with minimum sample weight loss during measurement. Such treatment substantially improved experimental accuracy for volatile materials, which in turn provides a better understanding of the reaction kinetics of UV-curable polymers. Kinetic experiments are carried out for poly(2-hydroxyethyl methacryate) (HEMA) and poly(methacrylic acid) (MAA) based hydrogels by using PhotoDSC and modified sample pans.

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A convenient and efficient protocol for the synthesis of 5-aryl-1,3-diphenylpyrazole catalyzed by hydrochloric acid under ultrasound irradiation

Ultrasonics Sonochemistry (2009)

Ji‐Tai Li Ying Yin Ling Li Mingxuan Sun

Hydrochloric acid

Sonochemistry

10.1016/j.ultsonch.2009.06.015

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Citations (56)