UV365 light promoted catalyst-free synthesis of pyrimido[4,5-b]quinoline-2,4-diones in aqueous-glycerol medium

2018 ◽  
Vol 42 (12) ◽  
pp. 9436-9442 ◽  
Author(s):  
Geetmani Singh Nongthombam ◽  
George Kupar Kharmawlong ◽  
John Elisa Kumar ◽  
Rishanlang Nongkhlaw
Keyword(s):  
Aromatic Amines ◽  
Barbituric Acid ◽  
Environmentally Benign ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Aryl Aldehyde ◽  
Glycerol Medium

Herein, a highly efficient and environmentally benign protocol for the synthesis of biologically important pyrimido[4,5-b]quinolinone-2,4-diones from aromatic amines, barbituric acid and aryl aldehyde is reported.

An Environmentally Benign Water Promoted Catalyst Free Highly Efficient, One-pot Synthesis of 2-Imino-4-thiazolidinone

2014 ◽  
Vol 51 (5) ◽  
pp. 1522-1527 ◽  
Author(s):  
Umesh B. Kosurkar ◽  
Tulshiram L. Dadmal ◽  
Ravindra M. Kumbhare ◽  
Balasubramanian Sridhar
Keyword(s):  
Environmentally Benign ◽  
One Pot ◽  
Catalyst Free ◽  
Highly Efficient ◽  
One Pot Synthesis

ChemInform Abstract: An Environmentally Benign Water Promoted Catalyst Free Highly Efficient, One-Pot Synthesis of 2-Imino-4-thiazolidinone.

ChemInform ◽  
2015 ◽  
Vol 46 (11) ◽  
pp. no-no
Author(s):  
Umesh B. Kosurkar ◽  
Tulshiram L. Dadmal ◽  
Ravindra M. Kumbhare ◽  
Balasubramanian Sridhar
Keyword(s):  
Environmentally Benign ◽  
One Pot ◽  
Catalyst Free ◽  
Highly Efficient ◽  
One Pot Synthesis

An environmentally benign protocol: catalyst-free Michael addition of aromatic amines to α,β-unsaturated ketones in glycerol

2012 ◽  
Vol 39 (2) ◽  
pp. 517-525 ◽  
Author(s):  
Anguo Ying ◽  
Qunhui Zhang ◽  
Hongmin Li ◽  
Gangfeng Shen ◽  
Weizhong Gong ◽  
...  
Keyword(s):  
Michael Addition ◽  
Aromatic Amines ◽  
Environmentally Benign ◽  
Unsaturated Ketones ◽  
Catalyst Free

scholarly journals Solvent- and catalyst-free mechanochemical synthesis of alkali metal monohydrides

2016 ◽  
Vol 4 (31) ◽  
pp. 12188-12196 ◽  
Author(s):  
Ihor Z. Hlova ◽  
Andra Castle ◽  
Jennifer F. Goldston ◽  
Shalabh Gupta ◽  
Timothy Prost ◽  
...  
Keyword(s):  
Alkali Metal ◽  
Mechanochemical Synthesis ◽  
Room Temperature ◽  
Metal Hydrides ◽  
Free Alkali ◽  
Environmentally Benign ◽  
Mechanochemical Process ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Scalable Synthesis

A simple, highly efficient and environmentally benign mechanochemical process is described for potentially scalable synthesis of catalyst and additive-free alkali-metal hydrides at room-temperature.

Preparation of aromatic amines by copper-catalyzed coupling of boronic acids with aqueous ammonia

2010 ◽  
Vol 88 (9) ◽  
pp. 964-968 ◽  
Author(s):  
Zhaoqiong Jiang ◽  
Zhiqing Wu ◽  
Lixia Wang ◽  
Di Wu ◽  
Xiangge Zhou
Keyword(s):  
Aromatic Amines ◽  
Aqueous Ammonia ◽  
Environmentally Friendly ◽  
Boronic Acids ◽  
Reaction Conditions ◽  
Highly Efficient ◽  
Primary Aromatic Amines

A simple, highly efficient, and environmentally friendly protocol for the synthesis of primary aromatic amines by catalytic coupling of aromatic boronic acids with aqueous ammonia has been developed by using commercial and inexpensive CuSO4·5H2O as catalyst without addition of other solvents under mild reaction conditions.

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
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