Efficient synthesis of diverse well-defined functional polypropylenes with high molecular weights and high functional group contents via thiol–halogen click chemistry

2015 ◽  
Vol 6 (7) ◽  
pp. 1150-1158 ◽  
Author(s):  
Xiao-Yan Wang ◽  
Yan-Guo Li ◽  
Hong-Liang Mu ◽  
Li Pan ◽  
Yue-Sheng Li
Keyword(s):  
Click Chemistry ◽  
Nucleophilic Substitution ◽  
Functional Group ◽  
Side Group ◽  
Efficient Synthesis ◽  
Molecular Weights

Originating from the reactive halogenated iPPs, diverse side-group and graft functionalized polypropylenes were synthesized via thiol–halogen nucleophilic substitution click chemistry.

Synthesis of N-Propargyl Iminosugar Scaffolds for Compound Library Generation using Click Chemistry

2010 ◽  
Vol 63 (5) ◽  
pp. 821 ◽  
Author(s):  
Brendan L. Wilkinson ◽  
Laurent F. Bornaghi ◽  
Marie Lopez ◽  
Peter C. Healy ◽  
Sally-Ann Poulsen ◽  
...  
Keyword(s):  
Click Chemistry ◽  
Functional Group ◽  
Efficient Synthesis ◽  
Compound Library ◽  
Library Development

We have developed an efficient synthesis of N-propargyl iminosugars for use in diversity-oriented library development. Through a common, crystalline intermediate both piperidine and azepane scaffolds can be prepared with an alkyne functional group, allowing for further elaboration through reaction with azides.

An Efficient Synthesis of 2-Substituted Quinazolin-4(3H)-ones by Using Recyclable Wang Resin Supported Sulfonic Acid Catalyst

2020 ◽  
Vol 17 ◽  
Author(s):  
Kalyani K. ◽  
Srinivasa Reddy Kallam
Keyword(s):  
Sulfonic Acid ◽  
Functional Group ◽  
Acid Catalyst ◽  
Sulphonic Acid ◽  
Isatoic Anhydride ◽  
Efficient Synthesis ◽  
Wang Resin ◽  
Polymer Supported ◽  
High Yields

Abstract:: An efficient synthesis of 2-substituted Quinazolin-4(3H)-ones has been developed from isatoic anhydride with various amidoximes by using recyclable polymer supported sulphonic acid catalyst. Excellent functional group compatibil-ity and high yields are the important features of this protocol.

scholarly journals Effects of Molecular Weight of Functionalized Liquid Butadiene Rubber as a Processing Aid on the Properties of SSBR/Silica Compounds

Polymers ◽  
2021 ◽  
Vol 13 (6) ◽  
pp. 850
Author(s):  
Donghyuk Kim ◽  
Byungkyu Ahn ◽  
Kihyun Kim ◽  
JongYeop Lee ◽  
Il Jin Kim ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Anionic Polymerization ◽  
High Performance ◽  
Crosslink Density ◽  
Functional Group ◽  
Vital Role ◽  
Butadiene Rubber ◽  
Molecular Weights ◽  
Mooney Viscosity ◽  
Silica Dispersion

Liquid butadiene rubber (LqBR) which used as a processing aid play a vital role in the manufacturing of high-performance tire tread compounds. However, the studies on the effect of molecular weight, microstructure, and functionalization of LqBR on the properties of compounds are still insufficient. In this study, non-functionalized and center-functionalized liquid butadiene rubbers (N-LqBR and C-LqBR modified with ethoxysilyl group, respectively) were synthesized with low vinyl content and different molecular weights using anionic polymerization. In addition, LqBR was added to the silica-filled SSBR compounds as an alternative to treated distillate aromatic extract (TDAE) oil, and the effect of molecular weight and functionalization on the properties of the silica-filled SSBR compound was examined. C-LqBR showed a low Payne effect and Mooney viscosity because of improved silica dispersion due to the ethoxysilyl functional group. Furthermore, C-LqBR showed an increased crosslink density, improved mechanical properties, and reduced organic matter extraction compared to the N-LqBR compound. LqBR reduced the glass transition temperature (Tg) of the compound significantly, thereby improving snow traction and abrasion resistance compared to TDAE oil. Furthermore, the energy loss characteristics revealed that the hysteresis loss attributable to the free chain ends of LqBR was dominant.

Highly efficient synthesis of polymer brushes with PEO and PCL as side chains via click chemistry

Polymer ◽  
2012 ◽  
Vol 53 (10) ◽  
pp. 1992-2000 ◽  
Author(s):  
Peng Zhao ◽  
Yechao Yan ◽  
Xiaoqin Feng ◽  
Lixin Liu ◽  
Chun Wang ◽  
...  
Keyword(s):  
Click Chemistry ◽  
Polymer Brushes ◽  
Side Chains ◽  
Efficient Synthesis ◽  
Highly Efficient

Cu(ii) PBS-bridged PMOs catalyzed one-pot synthesis of 1,4-disubstituted 1,2,3-triazoles in water through click chemistry

RSC Advances ◽  
2014 ◽  
Vol 4 (56) ◽  
pp. 29772-29781 ◽  
Author(s):  
Avvari N. Prasad ◽  
Benjaram M. Reddy ◽  
Eun-Young Jeong ◽  
Sang-Eon Park
Keyword(s):  
Click Chemistry ◽  
Heterogeneous Catalyst ◽  
Efficient Synthesis ◽  
One Pot ◽  
One Pot Synthesis

Efficient synthesis of 1,4-disubstituted 1,2,3-triazoles using Cu(ii)-PBS-HPMO as a heterogeneous catalyst.

Efficient Synthesis of “Star-like” Surfactants via “Click Chemistry” [3+2] Copper (I)-catalyzed Cycloaddition

2008 ◽  
Vol 27 (4) ◽  
pp. 231-237 ◽  
Author(s):  
Virginie Neto ◽  
Robert Granet ◽  
Grahame Mackenzie ◽  
Pierre Krausz
Keyword(s):  
Click Chemistry ◽  
Efficient Synthesis

Periodic polymers based on a self-accelerating click reaction

2018 ◽  
Vol 9 (29) ◽  
pp. 4036-4043 ◽  
Author(s):  
Lue Xiang ◽  
Zi Li ◽  
Jian'an Liu ◽  
Jiqiang Chen ◽  
Minghui Zhang ◽  
...  
Keyword(s):  
Click Chemistry ◽  
Click Reaction ◽  
Molecular Topology ◽  
Molecular Weights

Self-accelerating click chemistry was used to prepare sequence-controlled periodic polymers with ultrahigh molecular weights or a cyclic molecular topology.

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