scholarly journals Tribromoisocyanuric Acid (TBCA) as a Mild and Metal Free Catalyst for the Acetylation and Formylation of Hydroxyl Groups under Solvent Free Conditions

2015 ◽  
Vol 31 (3) ◽  
pp. 1565-1570 ◽  
Author(s):  
Zahra Hekmatian ◽  
Ardeshir Khazaei
Keyword(s):  
Solvent Free ◽  
Hydroxyl Groups ◽  
Metal Free ◽  
Solvent Free Conditions

ChemInform Abstract: A NHC-Involved, Cascade, Metal-Free, and Three-Component Synthesis of 2,3-Diarylated Fully Substituted Furans under Solvent-Free Conditions.

ChemInform ◽  
2012 ◽  
Vol 43 (6) ◽  
pp. no-no
Author(s):  
Chenxia Yu ◽  
Jun Lu ◽  
Tuanjie Li ◽  
Donglin Wang ◽  
Binbin Qin ◽  
...  
Keyword(s):  
Solvent Free ◽  
Metal Free ◽  
Solvent Free Conditions ◽  
Substituted Furans

Graphene Oxide: A Metal‐Free Carbocatalyst for the Synthesis of Diverse Amides under Solvent‐Free Conditions

2019 ◽  
Vol 361 (9) ◽  
pp. 2107-2116 ◽  
Author(s):  
Khushbu P. Patel ◽  
Eknath M. Gayakwad ◽  
Vilas V. Patil ◽  
Ganapati S. Shankarling
Keyword(s):  
Graphene Oxide ◽  
Solvent Free ◽  
Metal Free ◽  
Solvent Free Conditions

A facile and highly convergent approach to thiazolo[3,2-a]pyridines via one-pot multicomponent domino reaction under metal-free and solvent-free conditions

Tetrahedron ◽  
2015 ◽  
Vol 71 (21) ◽  
pp. 3422-3427 ◽  
Author(s):  
Anugula Nagaraju ◽  
B. Janaki Ramulu ◽  
Gaurav Shukla ◽  
Abhijeet Srivastava ◽  
Girijesh Kumar Verma ◽  
...  
Keyword(s):  
Solvent Free ◽  
Domino Reaction ◽  
One Pot ◽  
Metal Free ◽  
Solvent Free Conditions ◽  
Convergent Approach

scholarly journals Magnetic Fe3O4@silica sulfuric acid nanoparticles promoted regioselective protection/deprotection of alcohols with dihydropyran under solvent-free conditions

RSC Advances ◽  
2017 ◽  
Vol 7 (89) ◽  
pp. 56559-56565 ◽  
Author(s):  
Kalyani Rajkumari ◽  
Juri Kalita ◽  
Diparjun Das ◽  
Lalthazuala Rokhum
Keyword(s):  
Sulfuric Acid ◽  
Sulphuric Acid ◽  
Catalytic Amount ◽  
Solvent Free ◽  
Hydroxyl Groups ◽  
Silica Sulfuric Acid ◽  
Solvent Free Conditions ◽  
Magnetic Fe3o4

Protection (and deprotection) of hydroxyl groups via tetrahydropyranylation was carried out effectively using a catalytic amount of Fe3O4 supported silica sulphuric acid nanoparticles (Fe3O4@SiO2@SO3H) under solvent-free conditions.

An efficient method for the silylation of hydroxyl groups with hexamethyldisilazane (HMDS) catalyzed by aluminum tris(dihydrogen phosphate) under solvent-free and ambient conditions

2008 ◽  
Vol 86 (8) ◽  
pp. 841-845 ◽  
Author(s):  
Hamid Reza Shaterian ◽  
Majid Ghashang ◽  
Nassrin Tajbakhsh Riki ◽  
Manijeh Asadi
Keyword(s):  
Heterogeneous Catalyst ◽  
Efficient Method ◽  
Room Temperature ◽  
Solvent Free ◽  
Dihydrogen Phosphate ◽  
Hydroxyl Groups ◽  
Ambient Conditions ◽  
Solvent Free Conditions ◽  
Free Hydroxyl ◽  
Recyclable Heterogeneous Catalyst

A highly efficient and mild procedure for the trimethylsilylation of a wide variety of alcohols, including primary, benzylic, secondary, hindered secondary, tertiary, phenols, and oximes with hexamethyldisilazane (HMDS), using Al(H2PO4)3 as a recyclable heterogeneous catalyst at room temperature in a few minutes with excellent yields under solvent-free conditions is described.Key words: trimethylsilylation, hexamethyldisilazane, aluminum tris(dihydrogen phosphate) [Al(H2PO4)3], solvent-free, hydroxyl groups.

ChemInform Abstract: A Metal-Free Catalytic System for the Oxidation of Benzylic Methylenes and Primary Amines under Solvent-Free Conditions.

ChemInform ◽  
2010 ◽  
Vol 41 (17) ◽  
Author(s):  
Jintang Zhang ◽  
Zhentao Wang ◽  
Ye Wang ◽  
Changfeng Wan ◽  
Xiaoqi Zheng ◽  
...  
Keyword(s):  
Catalytic System ◽  
Solvent Free ◽  
Primary Amines ◽  
Metal Free ◽  
Solvent Free Conditions

Syntheses of selenoesters through C–H selenation of aldehydes with diselenides under metal-free and solvent-free conditions

RSC Advances ◽  
2014 ◽  
Vol 4 (78) ◽  
pp. 41237-41244 ◽  
Author(s):  
Jyun-Cyuan Liou ◽  
Satpal Singh Badsara ◽  
Yu-Ting Huang ◽  
Chin-Fa Lee
Keyword(s):  
Solvent Free ◽  
Metal Free ◽  
Solvent Free Conditions

A DTBP-promoted C–H selenation of aldehydes with diselenides under metal-free and solvent-free conditions is described.

Metal-Free Cycloaddition of Internal Alkynes and Multifunctional Azides Under Solvent-Free Conditions

2014 ◽  
Vol 215 (17) ◽  
pp. 1603-1608 ◽  
Author(s):  
Benedict Sandmann ◽  
Bobby Happ ◽  
Jürgen Vitz ◽  
Renzo M. Paulus ◽  
Martin D. Hager ◽  
...  
Keyword(s):  
Solvent Free ◽  
Metal Free ◽  
Solvent Free Conditions ◽  
Internal Alkynes
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