ChemInform Abstract: A Very Simple, Highly Efficient and Catalyst-Free Procedure for the N-Formylation of Amines Using Triethyl Orthoformate in Water under Ultrasound-Irradiation.

ChemInform ◽  
2013 ◽  
Vol 44 (40) ◽  
pp. no-no
Author(s):  
Davood Habibi ◽  
Hesam Sahebekhtiari ◽  
Mahmoud Nasrollahzadeh ◽  
Ahmad Taghipour
Keyword(s):  
Ultrasound Irradiation ◽  
Triethyl Orthoformate ◽  
Catalyst Free ◽  
Highly Efficient

Catalyst-free ultrasonic-promoted multicomponent synthesis of tertiary α-amino phosphonates

2017 ◽  
Vol 41 (14) ◽  
pp. 6653-6660 ◽  
Author(s):  
Reddi Mohan Naidu Kalla ◽  
Jaeyeong Bae ◽  
Il Kim
Keyword(s):  
Ultrasound Irradiation ◽  
Multicomponent Synthesis ◽  
Green Protocol ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Amino Phosphonates

A highly efficient and green protocol has been developed for the synthesis of novel tertiary α-amino phosphonates via a catalyst-free multi-component Kabachnik–Fields reaction under ultrasound irradiation.

Highly efficient and catalyst-free synthesis of substituted thioureas in water

2011 ◽  
Vol 15 (3) ◽  
pp. 809-815 ◽  
Author(s):  
Shi-Feng Gan ◽  
Jie-Ping Wan ◽  
Yuan-Jiang Pan ◽  
Cui-Rong Sun
Keyword(s):  
Catalyst Free ◽  
Highly Efficient

Catalyst-free, one-pot, four-component green synthesis of functionalized 1-(2-fluorophenyl)-1,4-dihydropyridines under ultrasound irradiation

2016 ◽  
Vol 40 (6) ◽  
pp. 5107-5112 ◽  
Author(s):  
Nhlanhla Shabalala ◽  
Suresh Maddila ◽  
Sreekantha B. Jonnalagadda
Keyword(s):  
Green Synthesis ◽  
Ultrasonic Irradiation ◽  
Aqueous Ethanol ◽  
Ultrasound Irradiation ◽  
One Pot ◽  
Catalyst Free ◽  
New Compounds ◽  
Synthesis Protocol

A catalyst-free synthesis protocol for functionalized 1,4-dihydropyridines under ultrasonic irradiation in aqueous ethanol is reported with excellent yields. Eleven new compounds are synthesized using dimethylacetylenedicarboxylate, 2-fluoroaniline, malononitrile and various substituted aldehydes.

Intermolecular Cyclopropanation of Iodonium Ylides and Electron-Deficient Alkenes through a Highly Efficient Catalyst-Free Process

2018 ◽  
Vol 7 (10) ◽  
pp. 2065-2068 ◽  
Author(s):  
Xiang Zhang ◽  
Rong Zeng ◽  
Xin Feng ◽  
Qing-Song Dai ◽  
Yue Liu ◽  
...  
Keyword(s):  
Efficient Catalyst ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Free Process ◽  
Iodonium Ylides

Catalyst-free synthesis of novel isopropyl 2-amino-7,7-dimethyl-4-(aryl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate derivatives in aqueous ethanol under ultrasound irradiation

2020 ◽  
Vol 26 ◽  
pp. 100365 ◽  
Author(s):  
Nhlanhla Gracious Shabalala ◽  
Nagaraju Kerru ◽  
Suresh Maddila ◽  
Werner E. van Zyl ◽  
Sreekantha B. Jonnalagadda
Keyword(s):  
Aqueous Ethanol ◽  
Ultrasound Irradiation ◽  
Catalyst Free

FLP behaviour of cationic titanium complexes with tridentate Cp,O,N-ligands: highly efficient syntheses and activation reactions of C–X bonds (X = Cl, F)

2019 ◽  
Vol 48 (4) ◽  
pp. 1516-1523 ◽  
Author(s):  
Malte Fischer ◽  
Kevin Schwitalla ◽  
Svenja Baues ◽  
Marc Schmidtmann ◽  
Ruediger Beckhaus
Keyword(s):  
Michael Reaction ◽  
Titanium Complexes ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Convenient Synthesis ◽  
Ligand Precursors

Titanium FLPs! Solvent- and catalyst-free Aza-Michael reaction provides β-amino ketones which were employed as ligand precursors for the convenient synthesis of novel cationic titanium complexes with tridentate Cp,O,N-ligand frameworks, which activate C–X bonds in a FLP-like manner.

scholarly journals On water catalyst-free synthesis of benzo[d]imidazo[2,1-b] thiazoles and novel N-alkylated 2-aminobenzo[d]oxazoles under microwave irradiation

RSC Advances ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 770-778 ◽  
Author(s):  
Narasimharao Mukku ◽  
Barnali Maiti
Keyword(s):  
Microwave Irradiation ◽  
Microwave Assisted ◽  
Catalyst Free ◽  
Highly Efficient

A highly efficient unprecedented catalyst-free microwave-assisted procedure for synthesizing benzo[d]imidazo[2,1-b]thiazoles and N-alkylated 2-aminobenzo[d]oxazol in green media was developed.

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