Transition-metal-free and halogen-free controlled synthesis of poly(3-alkylthienylene vinylene) via the Horner–Wadsworth–Emmons condensation reaction

2018 ◽  
Vol 9 (15) ◽  
pp. 1996-2001 ◽  
Author(s):  
Eisuke Goto ◽  
Yuto Ochiai ◽  
Mitsuru Ueda ◽  
Tomoya Higashihara
Keyword(s):  
Transition Metal ◽  
Condensation Reaction ◽  
Controlled Synthesis ◽  
Controlled Polymerization ◽  
Metal Free ◽  
Halogen Free

Controlled polymerization without a transition metal or halogen.

A fast controlled synthesis of poly(p-phenyleneethynylene)s under transition-metal-free conditions

2016 ◽  
Vol 7 (13) ◽  
pp. 2323-2328 ◽  
Author(s):  
Asahi Motoshige ◽  
Junko Kakinuma ◽  
Tomokazu Iyoda ◽  
Takanobu Sanji
Keyword(s):  
Transition Metal ◽  
Controlled Synthesis ◽  
Metal Free

A transition-metal-free polymerization of an AB-type monomer for the synthesis of well-defined poly(p-phenyleneethynylene)s is described.

Azine- and Imine-linked Conjugated PolyHIPEs through Schiff-Base Condensation Reaction

2021 ◽  
Author(s):  
Sebastijan Kovacic ◽  
Tomaž Kotnik ◽  
Gregor Žerjav ◽  
Albin Pintar ◽  
Ema Žagar
Keyword(s):  
Schiff Base ◽  
Transition Metal ◽  
Condensation Reaction ◽  
Metal Free ◽  
New Type ◽  
Highly Porous ◽  
Concentrated Emulsion ◽  
Templating Technique ◽  
Type Of Transition

A new type of transition metal-free π-conjugated polyHIPEs is obtained by a Schiff-base condensation reaction coupled with a concentrated emulsion-based templating technique. The resulting highly porous azine- or imine-linked poly(arylene)...

Transition-Metal-Free Three-Component Reaction: Additive Controlled Synthesis of Sulfonylated Imidazoles

2019 ◽  
Vol 84 (17) ◽  
pp. 11348-11358 ◽  
Author(s):  
Wei Liu ◽  
Yu Zhang ◽  
Jiaming He ◽  
Yue Yu ◽  
Jiajun Yuan ◽  
...  
Keyword(s):  
Transition Metal ◽  
Controlled Synthesis ◽  
Metal Free ◽  
Three Component Reaction

scholarly journals Transition-metal-free controlled polymerization for poly(p-aryleneethynylene)s

2015 ◽  
Vol 6 (1) ◽  
pp. 492-496 ◽  
Author(s):  
Takanobu Sanji ◽  
Asahi Motoshige ◽  
Hideaki Komiyama ◽  
Junko Kakinuma ◽  
Rie Ushikubo ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Transition Metal ◽  
High Molecular Weight ◽  
Catalytic Amount ◽  
Chain Growth ◽  
Controlled Polymerization ◽  
High Molecular Weight Polymer ◽  
Molecular Weight Polymer ◽  
Metal Free ◽  
A Chain

A catalytic amount of fluoride anions promoted the polymerization of 1-pentafluorophenyl-4-[(trimethylsilyl)ethynyl]benzene, providing a high-molecular-weight polymer in a chain-growth-like manner.

Transition-metal-free controlled polymerization of 2-polyfluorophenyl-5-trimethylsilylthiophenes: the substituent impact of fluorine

2016 ◽  
Vol 7 (46) ◽  
pp. 7116-7125 ◽  
Author(s):  
Takanobu Sanji ◽  
Keiji Nose ◽  
Junko Kakinuma ◽  
Tomokazu Iyoda
Keyword(s):  
Transition Metal ◽  
Controlled Polymerization ◽  
Metal Free

A transition-metal-free polymerization of a series of 2-polyfluorophenyl-5-trimethylsilylthiophenes promoted by fluoride anions is reported.

Transition metal-free controlled synthesis of bis[(trifluoromethyl)sulfonyl]ethyl-decorated heterocycles

2018 ◽  
Vol 5 (21) ◽  
pp. 3163-3169 ◽  
Author(s):  
Pedro Almendros ◽  
Hikaru Yanai ◽  
Shoki Hoshikawa ◽  
Cristina Aragoncillo ◽  
Carlos Lázaro-Milla ◽  
...  
Keyword(s):  
Transition Metal ◽  
Controlled Synthesis ◽  
Metal Free

The metal- and irradiation-free C–H bis(triflyl)ethylation reactions of a variety of heterocycles including marketed drugs have been accomplished.

Transition-metal-free catalytic hydroboration reduction of amides to amines

2020 ◽  
Vol 7 (21) ◽  
pp. 3515-3520
Author(s):  
Wubing Yao ◽  
Jiali Wang ◽  
Aiguo Zhong ◽  
Shiliang Wang ◽  
Yinlin Shao
Keyword(s):  
Transition Metal ◽  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Value Added ◽  
Metal Free

The selective catalytic reduction of amides to value-added amine products is a desirable but challenging transformation.

Deaminative carbonylative thioesterification of activated alkylamines with thiophenols under transition-metal-free conditions

2021 ◽  
Author(s):  
Fengqian Zhao ◽  
Xiao-Feng Wu
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Metal Free

A transition-metal-free radical carbonylation of activated alkylamines with thiophenols has been successfully developed. Various thioesters were selectively produced with moderate to good yields.

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