An efficient catalyst-free protocol for the synthesis of quinoxaline derivatives under ultrasound irradiation

Quinoxaline derivatives were produced in excellent yields and short reaction times via the condensation of 1,2-diamines with 1,2-diketones in the neutral ionic liquid 1-butyl-3-methylimidazolium bromide ([bmim]Br) under catalyst-free and microwave irradiation conditions.

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Efficient catalyst-free chemical fixation of carbon dioxide into 2-oxazolidinones under supercritical condition

Chinese Chemical Letters ◽

10.1016/j.cclet.2011.04.004 ◽

2011 ◽

Vol 22 (9) ◽

pp. 1063-1066 ◽

Cited By ~ 8

Author(s):

Jing Xiu Xu ◽

Jin Wu Zhao ◽

Zhen Bin Jia

Keyword(s):

Carbon Dioxide ◽

Supercritical Condition ◽

Chemical Fixation ◽

Efficient Catalyst ◽

Catalyst Free ◽

Fixation Of Carbon Dioxide

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An efficient, catalyst free synthesis of 3-(2′'-benzothiazolyl)-2,3-dihydroquinazolin-4(1H)-ones in aqueous medium

Green Chemistry Letters and Reviews ◽

10.1080/17518253.2011.571718 ◽

2011 ◽

Vol 4 (4) ◽

pp. 321-325 ◽

Cited By ~ 5

Author(s):

Jitender M. Khurana ◽

Sanjay Kumar

Keyword(s):

Aqueous Medium ◽

Efficient Catalyst ◽

Catalyst Free

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ChemInform Abstract: A Straightforward and Efficient Catalyst-Free One-Pot Synthesis of N-Acyl-1,3-diaryl-2-azaphenalene Derivatives via Multicomponent Reactions.

ChemInform ◽

10.1002/chin.201032158 ◽

2010 ◽

Vol 41 (32) ◽

pp. no-no

Author(s):

Naser Foroughifar ◽

Akbar Mobinikhaledi ◽

Hassan Moghanian

Keyword(s):

Multicomponent Reactions ◽

One Pot ◽

Efficient Catalyst ◽

Catalyst Free ◽

One Pot Synthesis

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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 ◽

10.1002/chin.201340040 ◽

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

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Efficient catalyst-free synthesis of diversified bis (spirooxindoles) via one-pot, three-component reaction

Synthetic Communications ◽

10.1080/00397911.2016.1233437 ◽

2016 ◽

Vol 46 (23) ◽

pp. 1880-1886 ◽

Cited By ~ 8

Author(s):

Garima Khanna ◽

Komal Aggarwal ◽

Jitender M. Khurana

Keyword(s):

One Pot ◽

Efficient Catalyst ◽

Catalyst Free ◽

Three Component Reaction

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

New Journal of Chemistry ◽

10.1039/c5nj03574k ◽

2016 ◽

Vol 40 (6) ◽

pp. 5107-5112 ◽

Cited By ~ 29

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.

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