A practical one-pot synthesis of coumarins in aqueous sodium bicarbonate via intramolecular Wittig reaction at room temperature

RSC Advances ◽  
2014 ◽  
Vol 4 (75) ◽  
pp. 39667 ◽  
Author(s):  
Ningaraddi S. Belavagi ◽  
Narahari Deshapande ◽  
Manjunath G. Sunagar ◽  
Imtiyaz Ahmed M. Khazi
Keyword(s):  
Sodium Bicarbonate ◽  
Room Temperature ◽  
Wittig Reaction ◽  
One Pot ◽  
Aqueous Sodium ◽  
Intramolecular Wittig Reaction ◽  
Aqueous Sodium Bicarbonate ◽  
One Pot Synthesis

A facile and regioselective one-pot synthesis of novel pyrazolo[1 $$'$$ ′ ,5 $$'$$ ′ :1,2]pyrrolo[3,4-b]quinoline-2,3-dicarboxylate hybrids via intramolecular Wittig reaction

2017 ◽  
Vol 22 (1) ◽  
pp. 37-46 ◽  
Author(s):  
Tahere Hosseyni Largani ◽  
Gholamhasan Imanzadeh ◽  
Nader Noroozi Pesyan ◽  
Ertan Şahin ◽  
Amir Nasser Shamkhali ◽  
...  
Keyword(s):  
Wittig Reaction ◽  
One Pot ◽  
Intramolecular Wittig Reaction ◽  
One Pot Synthesis

One-pot synthesis of 4-ethyl 2,3-dimethyl 1-(5-aryl-1,3,4-thiadiazol-2-yl)-5-oxo-2,5-dihydro-1H-pyrrole-2,3,4-tricarboxylate derivatives via intramolecular Wittig reaction

2020 ◽  
Vol 44 (7-8) ◽  
pp. 403-409
Author(s):  
Samin Iravani ◽  
Abbas Ali Esmaeili
Keyword(s):  
Wittig Reaction ◽  
Spectroscopic Methods ◽  
Acetylenic Esters ◽  
One Pot ◽  
Intramolecular Wittig Reaction ◽  
One Pot Synthesis

A facile one-pot synthesis of highly functionalized dialkyl 1-(5-aryl-1,3,4-thiadiazol-2-yl)-4-ethoxy-5-oxo-2,5-dihydro-1 H-pyrrole-2,3-dicarboxylate derivatives via the reaction between acetylenic esters, triphenylphosphine, and ethyl 2-[(5-aryl-1,3,4-thiadiazol-2-yl)amino]-2-oxoacetate is developed. The structure of the products is confirmed by spectroscopic methods.

Comprehensive study of the toothpaste containing fluoride and 67% aqueous sodium bicarbonate solution

2021 ◽  
Vol 26 (2) ◽  
pp. 137-143
Author(s):  
S. N. Gromova ◽  
N. A. Guzhavina ◽  
E. A. Falaleeva ◽  
E. P. Kolevatykh ◽  
А. V. Elikov ◽  
...  
Keyword(s):  
Sodium Bicarbonate ◽  
Oral Care ◽  
Sodium Bicarbonate Solution ◽  
Comprehensive Treatment ◽  
Aqueous Sodium ◽  
Aqueous Sodium Bicarbonate ◽  
Periodontal Inflammation ◽  
Aqueous Sodium Bicarbonate Solution ◽  
Inflammatory Effect

Relevance. A wide variety of oral care products is available nowadays. Sometimes aggressive advertising rather than doctor’s advice determines our patients’ choice. In our research, we provide evidence of the clinical use of toothpaste containing fluoride and sodium bicarbonate.Materials and methods. During four weeks, we followed up a group of students who used the toothpaste containing 1400 ppm fluoride and 67% aqueous sodium bicarbonate solution. The clinical, biochemical and microbiological tests and saliva crystallization score assessed the characteristics stated by the manufacturer.Results. The statistically significant correlation between all studied criteria is evidence of the effectiveness of the toothpaste. In addition to the significant remineralization and antiplaque effect, biochemical and microbiological tests confirmed the anti-inflammatory effect of the toothpaste. An immediate cleaning effect was observed after the first brushing as well as in long-term use.Conclusion. Improvement of oral hygiene indices and reduction of periodontal inflammation confirmed the successful result of the comprehensive treatment of chronic gingivitis.

scholarly journals A Facile Synthesis of Polysubstituted Pyrroles by One-Pot Three-Component Reaction

2012 ◽  
Vol 9 (4) ◽  
pp. 2239-2244 ◽  
Author(s):  
Hossein Anaraki-Ardakani ◽  
Maziar Noei ◽  
Mina Karbalaei-Harofteh ◽  
Shahab Zomorodbakhsh
Keyword(s):  
Room Temperature ◽  
Facile Synthesis ◽  
One Pot ◽  
Pyrrole Derivatives ◽  
Dialkyl Acetylenedicarboxylates ◽  
One Pot Synthesis ◽  
Three Component Reaction ◽  
High Yields ◽  
Neutral Conditions

A new and efficient one-pot synthesis of polysubstituted pyrrole derivatives by three-component reaction between dialkyl acetylenedicarboxylates, triphenylphosphine, 2-aminopyridin derivatives in the presence of arylglyoxals is described. The reactions were performed in dichloromethane at room temperature and neutral conditions and afforded high yields of products.

One-pot synthesis of chitosan–dehydropregnenolone acetate ketimine nanoparticles and their antifungal bioevaluation

RSC Advances ◽  
2015 ◽  
Vol 5 (13) ◽  
pp. 10065-10071 ◽  
Author(s):  
Archana M. Das ◽  
Raju Khan ◽  
Manash P. Hazarika ◽  
Debjani Baruah ◽  
Purnajyoti D. Bhuyan
Keyword(s):  
Room Temperature ◽  
Polymeric Nanoparticles ◽  
Communicable Diseases ◽  
New Method ◽  
One Pot ◽  
One Pot Synthesis ◽  
Dehydropregnenolone Acetate

This paper presents a new method for fabricating biodegradable bio-polymeric nanoparticles via a convenient one-pot strategy at room temperature under stirring conditions for application to communicable diseases.

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