Ag2CO3-catalyzed efficient synthesis of internal or terminal propargylicamines and chalcones via A3-coupling under solvent-free condition

2021 ◽  
Author(s):  
Ningbo Li ◽  
Shitang Xu ◽  
Xueyan Wang ◽  
Li Xu ◽  
Jie Qiao ◽  
...  
Keyword(s):  
Solvent Free ◽  
Efficient Synthesis ◽  
Free Condition ◽  
Solvent Free Condition ◽  
A3 Coupling

scholarly journals Expeditious, Mild and Solvent Free Synthesis of Bis(indolyl)methanes, Using a Mixture of Phosphorus Pentoxide in Methanesulphonic Acid

2012 ◽  
Vol 9 (3) ◽  
pp. 1313-1319 ◽  
Author(s):  
Amulrao U. Borse ◽  
Mahesh N. Patil ◽  
Nilesh L. Patil
Keyword(s):  
Ambient Temperature ◽  
Phosphorus Pentoxide ◽  
Solvent Free ◽  
Efficient Synthesis ◽  
Free Condition ◽  
Solvent Free Condition ◽  
Solvent Free Synthesis

Highly rapid and efficient synthesis of Bis(indolyl)methanes has been developed by using a mixture of phosphorus pentoxide in methanesulphonic acid (Eaton’s reagent) at ambient temperature under solvent free condition.

Green and Efficient Synthesis of Xanthene Derivatives using 1-Butyl-3-methylimidazolium Bromide under Solvent Free Condition

2018 ◽  
Vol 3 (3) ◽  
pp. 95-97
Author(s):  
Virbhadra G. Kalalawe ◽  
Dashrath R. Munde ◽  
Raju P. Kagne ◽  
Sandeep N. Niwadange ◽  
Raoji D. Gutte
Keyword(s):  
Solvent Free ◽  
Efficient Synthesis ◽  
Free Condition ◽  
Solvent Free Condition ◽  
Xanthene Derivatives

SYNTHESIS OF SOME PROPARGYLAMINES VIA A3 COUPLING REACTION

2020 ◽  
Vol 65 (10) ◽  
pp. 67-72
Author(s):  
Thanh Hoang Thi ◽  
Trang Tran Thi Thu ◽  
Hoan Duong Quoc
Keyword(s):  
Coupling Reaction ◽  
Solvent Free ◽  
One Pot ◽  
Free Condition ◽  
Highly Efficient ◽  
Solvent Free Condition ◽  
A3 Coupling

Condition for synthesis of propargylamines has been found in highly efficient as a one-pot multi-component protocol. Copper(I) iodide (30% mol) under solvent free condition gave propargylamine in good yields. Structures of propargylamines were elucidated with NMR, MS methods.

Microwave-Assisted Efficient Synthesis of Dihydropyrimidines in Solvent-Free Condition.

ChemInform ◽  
2005 ◽  
Vol 36 (7) ◽  
Author(s):  
Maryam Mirza-Aghayan ◽  
Mohammad Bolourtchian ◽  
Maryam Hosseini
Keyword(s):  
Solvent Free ◽  
Efficient Synthesis ◽  
Free Condition ◽  
Microwave Assisted ◽  
Solvent Free Condition

An Efficient Synthesis of Bis (Indolyl) Methanes Under Solvent Free Condition Using Silica Supported Polyphosphoric Acid (PPA-SiO2) as Recyclable Catalyst

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Sugat Kirti ◽  
Deepak Kumar ◽  
Navin Kumar Mogha ◽  
Virender Singh ◽  
Dhanraj T. Masram
Keyword(s):  
Phosphoric Acid ◽  
Polyphosphoric Acid ◽  
Environmentally Friendly ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
Efficient Synthesis ◽  
Free Condition ◽  
Reaction Condition ◽  
Solvent Free Condition ◽  
Work Up

Silica supported poly-phosphoric acid (PPA-SiO2) has been utilized as an efficient and an environmentally friendly heterogeneous, reusable catalyst for the synthesis of bis(indolyl)methanes under solvent free condition. The significances of this protocol are mild reaction condition, excellent yield and simple work up procedure.

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