Catalyst-free room-temperature decarboxylative tri- or tetrafunctionalization of alkynyl carboxylic acids with N-fluorobenzenesulfonimide (NFSI) and diselenides

2018 ◽  
Vol 20 (3) ◽  
pp. 604-608 ◽  
Author(s):  
Ying-chun Wang ◽  
Li-qiu Liu ◽  
Guang-mang Wang ◽  
Hui Ouyang ◽  
You-ji Li
Keyword(s):  
Carboxylic Acids ◽  
Room Temperature ◽  
Catalyst Free ◽  
Temperature Conditions ◽  
Facile Route

The combination of N-fluorobenzenesulfonimide (NFSI) with diselenides allowed the rapid decarboxylative tri- or tetrafunctionalization of alkynyl carboxylic acids under catalyst-free room-temperature conditions. This reaction offers an novel and facile route to polyseleno-substituted enamines.

An efficient construction of CN bond under catalyst‐free and room temperature conditions

2021 ◽  
Vol 58 (5) ◽  
pp. 1179-1191
Author(s):  
Jinpeng Zhang ◽  
Jing Liu ◽  
Lei Dai ◽  
Yuqian Ge ◽  
Linlin Xu ◽  
...  
Keyword(s):  
Room Temperature ◽  
Catalyst Free ◽  
Temperature Conditions ◽  
Efficient Construction

scholarly journals Room temperature synthesis of non-isocyanate polyurethanes (NIPUs) using highly reactive N-substituted 8-membered cyclic carbonates

2016 ◽  
Vol 7 (11) ◽  
pp. 2105-2111 ◽  
Author(s):  
Alexander Yuen ◽  
Amaury Bossion ◽  
Enrique Gómez-Bengoa ◽  
Fernando Ruipérez ◽  
Mehmet Isik ◽  
...  
Keyword(s):  
Room Temperature ◽  
Cyclic Carbonates ◽  
Temperature Synthesis ◽  
Room Temperature Synthesis ◽  
Catalyst Free ◽  
Temperature Conditions ◽  
Reactive N

Non-isocyanate polyurethanes (NIPUs) were prepared via polyaddition of highly reactive 8-membered ‘bis-cyclic’ carbonates and various diamines under catalyst-free and room temperature conditions.

Visible-light-initiated Catalyst-free Oxidative Cleavage of Triaryl-Substituted Alkenes C=C Bonds under Ambient Conditions

2021 ◽  
Author(s):  
Wenjing Li ◽  
Shun Li ◽  
Lihua Luo ◽  
Yichen Ge ◽  
Jiaqi Xu ◽  
...  
Keyword(s):  
Visible Light ◽  
Room Temperature ◽  
Ambient Air ◽  
Oxidative Cleavage ◽  
Ambient Conditions ◽  
Blue Led ◽  
Catalyst Free

The catalyst-free oxidative cleavage of (Z)-triaryl-substituted alkenes bearing pyridyl motif with ambient air under irradiation of blue LED at room temperature has been developed. The reaction was facile and scalable,...

scholarly journals Mechanically induced solvent-free esterification method at room temperature

RSC Advances ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 5080-5085
Author(s):  
Lei Zheng ◽  
Chen Sun ◽  
Wenhao Xu ◽  
Alexandr V. Dushkin ◽  
Nikolay Polyakov ◽  
...  
Keyword(s):  
Natural Products ◽  
Carboxylic Acids ◽  
Late Stage ◽  
Reaction Mechanisms ◽  
Room Temperature ◽  
Solvent Free ◽  
Mild Conditions

We have developed I2/KH2PO2 and KI/P(OEt)3 strategy syntheses of esters from carboxylic acids and alcohols through different reaction mechanisms. The advantages of present protocol: mild conditions and late-stage diversification of natural products.

Room-temperature Barbier single-atom polymerization induced emission as a versatile approach for the utilization of monofunctional carboxylic acid resources

2021 ◽  
Author(s):  
Quan-Xi Shi ◽  
Qian Li ◽  
Hang Xiao ◽  
Xiaoli Sun ◽  
Hongli Bao ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Building Block ◽  
Room Temperature ◽  
Single Atom ◽  
The Earth

Carboxylic acids are widely available from both biomass and fossil sources on the earth. In comparison with multifunctional carboxylic acid containing chemicals those have been comprehensively used as building block...

Effects of B Vitamins, Liver and Yeast on Growth under Cold Room and Room Temperature Conditions

1948 ◽  
Vol 35 (1) ◽  
pp. 39-48 ◽  
Author(s):  
E. D. Smith ◽  
B. H. Ershoff ◽  
R. J. Winzler ◽  
H. J. Deuel
Keyword(s):  
Room Temperature ◽  
B Vitamins ◽  
Temperature Conditions ◽  
Cold Room
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