An eco-benign and highly efficient procedure for N-acylation catalyzed by heteropolyanion-based ionic liquids using carboxylic acid under solvent-free conditions

Tetrahedron ◽  
2014 ◽  
Vol 70 (13) ◽  
pp. 2237-2245 ◽  
Author(s):  
Zhikai Chen ◽  
Renzhong Fu ◽  
Wen Chai ◽  
Hao Zheng ◽  
Lin Sun ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Carboxylic Acid ◽  
Solvent Free ◽  
Efficient Procedure ◽  
Highly Efficient ◽  
Solvent Free Conditions

A highly efficient procedure for the oxathioacetalization of carbonyl compounds under solvent-free conditions

2009 ◽  
Vol 52 (12) ◽  
pp. 2166-2170 ◽  
Author(s):  
XueZheng Liang ◽  
Lu Chen ◽  
HaiHong Wu ◽  
JianGuo Yang ◽  
MingYuan He
Keyword(s):  
Carbonyl Compounds ◽  
Solvent Free ◽  
Efficient Procedure ◽  
Highly Efficient ◽  
Solvent Free Conditions

Reactions of 6-aminouracils — A novel and highly efficient procedure for preparation of some new spiro pyridodipyrimidines under classical or microwave-assisted solvent-free conditions

2008 ◽  
Vol 86 (9) ◽  
pp. 925-929 ◽  
Author(s):  
Mohammad R Mohammadizadeh ◽  
Javad Azizian ◽  
Fatemeh Teimouri ◽  
Ali A Mohammadi ◽  
Ali R Karimi ◽  
...  
Keyword(s):  
Solvent Free ◽  
Efficient Procedure ◽  
Microwave Assisted ◽  
Highly Efficient ◽  
Solvent Free Conditions ◽  
Isatin Derivatives

A versatile and highly efficient procedure has been introduced for preparation of spiro pyridodipyrimidines during the investigation of the reaction of 1,3-dimethyl-6- aminouracil with isatin derivatives, ninhydrin, and acenaphthoquinone under classical or microwave-assisted solvent-free conditions.Key words: isatin, ninhydrin, acenaphtoquinone, 1,3-dimethyl-6-aminouracil, solvent-free.

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