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Current Green Chemistry


ISSN (Print): 2213-3461
ISSN (Online): 2213-347X

Review Article

Alum (KAl(SO4)2.12H2O) - An Eco-friendly and Versatile Acid-catalyst in Organic Transformations: A Recent Update

Author(s): Goutam Brahmachari*, Khondekar Nurjamal, Sanchari Begam, Mullicka Mandal, Nayana Nayek, Indrajit Karmakar and Bhagirath Mandal

Volume 6, Issue 1, 2019

Page: [12 - 31] Pages: 20

DOI: 10.2174/2213346106666190307160332


Potassium alum (KAl(SO4)2.12H2O), commonly known as ‘alum’, has recently drawn the attention of synthetic chemists as an efficient, safe and eco-friendly acid catalyst in implementing a large number of organic transformations, thereby generating interesting molecular frameworks. The present review article offers an overview of the potent catalytic applications of this commercially available and low-cost inorganic sulfate salt in organic reactions reported during the period of 2014 to 2018.

Keywords: Alum (KAl(SO4)2.12H2O), catalytic applications, organic syntheses, green chemistry, heterocycles, piperidines.

Graphical Abstract
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