Selective and rapid oxidation of primary, allylic and benzylic alcohols to the corresponding carbonyl compounds with NaNO2–acetic anhydride under mild and solvent-free conditions

2000 ◽  
pp. 3559-3560 ◽  
Author(s):  
Babasaheb P. Bandgar ◽  
Vaibhav S. Sadavarte ◽  
Lavkumar S. Uppalla
Keyword(s):  
Acetic Anhydride ◽  
Carbonyl Compounds ◽  
Solvent Free ◽  
Benzylic Alcohols ◽  
Solvent Free Conditions

ChemInform Abstract: An Efficient and Selective Oxidation of Benzylic Alcohols to the Corresponding Carbonyl Compounds under Solvent-Free Conditions.

ChemInform ◽  
2010 ◽  
Vol 31 (24) ◽  
pp. no-no
Author(s):  
Abdol Reza Hajipour ◽  
Shadpour E. Mallakpour ◽  
Iraj Mohammadpoor-Baltork ◽  
Sepideh Khoee
Keyword(s):  
Selective Oxidation ◽  
Carbonyl Compounds ◽  
Solvent Free ◽  
Benzylic Alcohols ◽  
Solvent Free Conditions

An Efficient and Selective Oxidation of Benzylic Alcohols to the Corresponding Carbonyl Compounds under Solvent-Free Conditions

2000 ◽  
Vol 29 (2) ◽  
pp. 120-121 ◽  
Author(s):  
Abdol Reza Hajipour ◽  
Shadpour E. Mallakpour ◽  
Iraj Mohammadpoor-Baltork ◽  
Sepideh Khoee
Keyword(s):  
Selective Oxidation ◽  
Carbonyl Compounds ◽  
Solvent Free ◽  
Benzylic Alcohols ◽  
Solvent Free Conditions

Direct benzylation of 1,3-dicarbonyl compounds catalyzed by Cs2.5H0.5PW12O40 in solvent-free conditions

2011 ◽  
Vol 89 (12) ◽  
pp. 1533-1538 ◽  
Author(s):  
Ezzat Rafiee ◽  
Maryam Khodayari ◽  
Mohammad Joshaghani
Keyword(s):  
Carbonyl Compounds ◽  
Reaction Times ◽  
Solvent Free ◽  
Dicarbonyl Compounds ◽  
Environmentally Conscious ◽  
Benzylic Alcohols ◽  
Solvent Free Conditions ◽  
Excellent Activity ◽  
High Yields ◽  
Reaction Profile

Various 1,3-dicarbonyl compounds reacted readily with benzylic alcohols in the presence of Cs2.5H0.5PW12O40 salt to produce 2-benzylic-1,3-dicarbonyl compounds in high yields. It was found that this catalyst could be completely recovered and reused without loss of its catalytic activities and is thus environmentally conscious especially in solvent-free conditions. The use of this method provides improved modification of the direct benzylation of 1,3-carbonyl compounds in terms of low reaction times, solvent-free conditions, usage of a small amount of the catalyst, and a clean reaction profile. Furthermore, the use of this catalyst is feasible because of its easy preparation, its easy handling, its stability, its easy recovery, its reusability, being environmentally green, its excellent activity, and its selectivity.

One-Pot, Regioselective Synthesis of Homopropargyl Alcohols using Propargyl Bromide and Carbonyl Compound by the Mg-mediated Reaction under Solvent-free Conditions

2020 ◽  
Vol 17 (6) ◽  
pp. 438-442
Author(s):  
Xiaofang Ma ◽  
Shunxi Li ◽  
Samrat Devaramani ◽  
Guohu Zhao ◽  
Daqian Xu
Keyword(s):  
Reaction Time ◽  
Organic Synthesis ◽  
Carbonyl Compounds ◽  
Solvent Free ◽  
Propargyl Bromide ◽  
Important Goal ◽  
One Pot ◽  
Short Reaction Time ◽  
Solvent Free Conditions ◽  
Volatile Organic

The elimination of volatile organic solvents in organic synthesis is the most important goal in “Green” chemistry. We report a simple, efficient and facile method for the addition of progargyl bromide to carbonyl compounds using Mg metal as a mediator under solvent-free conditions which could regioselectively generate homopropargyl alcohols efficiently in good to excellent yields. The procedure has advantages such as short reaction time, operationally simple, excellent product yields, high regioselectivity and organic solvent-free.

Clean and Facile Condensations Reaction of Indoles and Carbonyl Compounds under Solvent-Free Conditions.

ChemInform ◽  
2006 ◽  
Vol 37 (39) ◽  
Author(s):  
Shokoufeh Mehrazma ◽  
Najmoddin Azizi ◽  
Mohammad R. Saidi
Keyword(s):  
Carbonyl Compounds ◽  
Solvent Free ◽  
Solvent Free Conditions

HNO3/Silica Gel supported CAN; Oxidative Deprotection of Benzylic Tetrahydropyranyl Ethers under Solvent-free Conditions using Microwaves

2005 ◽  
Vol 2005 (2) ◽  
pp. 105-106 ◽  
Author(s):  
Majid M. Heravi ◽  
Pegah Kazemian ◽  
Hossein A. Oskooie ◽  
Mitra Ghassemzadeh
Keyword(s):  
Ammonium Nitrate ◽  
Silica Gel ◽  
Carbonyl Compounds ◽  
Solvent Free ◽  
Cerium Ammonium Nitrate ◽  
Solvent Free Conditions ◽  
Cerium Ammonium

Benzylic tetrahydropyranyl ethers are rapidly and selectively oxidised to the corresponding carbonyl compounds by HNO3/ silica gel supported cerium ammonium nitrate (CAN) under solvent free conditions using microwave.

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