ChemInform Abstract: One-Pot Synthesis of Indolino[2′,3′:1,2][60]fullerenes from Fullerene Epoxide: Lewis Acid-Assisted Nucleophilic Addition Followed by Intramolecular Cyclization.

ChemInform ◽  
2009 ◽  
Vol 40 (6) ◽  
Author(s):  
Youhei Numata ◽  
Jun-ichi Kawashima ◽  
Takumi Hara ◽  
Yusuke Tajima
Keyword(s):  
Intramolecular Cyclization ◽  
Lewis Acid ◽  
Nucleophilic Addition ◽  
One Pot ◽  
One Pot Synthesis

A heavy metal- and oxidant-free, one-pot synthesis of pyridines and fused pyridines based on a Lewis acid-catalyzed multicomponent reaction

2014 ◽  
Vol 50 (82) ◽  
pp. 12270-12272 ◽  
Author(s):  
V. P. Alex Raja ◽  
Giammarco Tenti ◽  
Subbu Perumal ◽  
J. Carlos Menéndez
Keyword(s):  
Heavy Metal ◽  
Lewis Acid ◽  
Multicomponent Reaction ◽  
One Pot ◽  
One Pot Synthesis ◽  
Acid Catalyzed

Pyridines and fused pyridines are accessible by a combination of a Lewis acid-catalyzed multicomponent reaction and aromatization involving loss of a 2-furylmethyl chain.

Merging gold catalysis, organocatalytic oxidation, and Lewis acid catalysis for chemodivergent synthesis of functionalized oxazoles from N-propargylamides

2017 ◽  
Vol 53 (75) ◽  
pp. 10366-10369 ◽  
Author(s):  
Shaoyu Mai ◽  
Changqing Rao ◽  
Ming Chen ◽  
Jihu Su ◽  
Jiangfeng Du ◽  
...  
Keyword(s):  
Transition Metal ◽  
Lewis Acid ◽  
Lewis Acids ◽  
Acid Catalysis ◽  
Gold Catalysis ◽  
One Pot ◽  
Catalytic Systems ◽  
One Pot Synthesis ◽  
The One ◽  
Cationic Gold

Novel catalytic systems consisting of cationic gold complexes, N-hydroxyphthalimide (NHPI), and transition-metal-based Lewis acids have been developed for the one-pot synthesis of functionalized oxazoles.

scholarly journals A Synthesis of 4-Chloro-2-(trichloromethyl)pyrimidines and Their Study in Nucleophilic Substitution

Synthesis ◽  
2018 ◽  
Vol 51 (02) ◽  
pp. 530-537 ◽  
Author(s):  
Moisés Romero-Ortega ◽  
Michelle Trujillo-Lagunas ◽  
Ignacio Medina-Mercado ◽  
Ivann Zaragoza-Galicia ◽  
Horacio Olivo
Keyword(s):  
Nucleophilic Substitution ◽  
Intramolecular Cyclization ◽  
Nitrogen Heterocycles ◽  
Cyclization Reaction ◽  
Substitution Reactions ◽  
Pyrimidine Derivatives ◽  
One Pot ◽  
Acyl Chlorides ◽  
Nucleophilic Substitution Reactions ◽  
One Pot Synthesis

A convenient two-step, one-pot synthesis of 4-chloro-2-(trichloromethyl)pyrimidines starting from 2-(trichloromethyl)-1,3-diazabutadienes is described. These nitrogen heterocycles were prepared by a sequential acylation/intramolecular cyclization reaction between 2-(trichloromethyl)-1,3-diazabutadienes and acyl chlorides in the presence of triethylamine followed by treatment with POCl3. This is the first report for the synthesis of this type of 4-chloro-2-(trichloromethyl)pyrimidine derivatives and serves as a source for a wide variety of other substituted pyrimidines by nucleophilic substitution reactions.

scholarly journals Convenient One-Pot Synthesis of Allylsilanes from Enolizable Ketones

SynOpen ◽  
2019 ◽  
Vol 03 (04) ◽  
pp. 138-141
Author(s):  
Man Lung D. Kwan ◽  
Paul R. Challen ◽  
Quynh D.-D. Tran
Keyword(s):  
Nucleophilic Addition ◽  
Slight Modification ◽  
Second Step ◽  
One Pot ◽  
One Pot Synthesis ◽  
Aryl Ketones

A convenient one-pot synthesis of allylsilanes from enolizable methyl aryl ketones has been developed. The first step involves nucleophilic addition of the trimethylsilylmethyl group to ketones using the alkylation method developed by Ishihara with slight modification to generate the corresponding β-silylalkoxides. The second step entails addition of diisobutylaluminum chloride and heating at about 130 °C overnight to afford allylsilanes in fair yields.

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