Indium and gallium compounds in the oxidation state (III) can be used as Lewis acids in organic transformation reactions. Recently, additional research has been conducted into the lower oxidation states.
A small sample of the type of reactions that have been enabled by indium- and gallium-based catalysts over the last few years are:
- Selective C-C bond formation
- Allylation of carbonyl compounds and imine derivatives – these are important intermediate steps in the synthesis of natural products and other fine chemicals
- Friedel-Crafts acylation of aromatics
- Addition of pyrroles to isatins
- Preparation of chiral amines
- Ring-opening polymerization reactions
- Selective Meerwein-Ponndorf-Verley reduction of aliphatic and aromatic aldehydes
If you are a researcher looking for a high purity indium- or gallium-based precursor for your catalyst, please contact us.
Catalysts Technical Documents
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Indium Corporation Blog Posts
A new paper sparked my interest recently: Experimental Thermal Energy Assessment of a Liquid Metal Eutectic in a Microchannel Heat Exchanger Equipped With a (10Hz/50Hz) Resonator which talks about alternatives to liquid metal for high-temp heat exchange applications. Unfortunately, they left out my favorite alloy - eutectic gallium-indium or EGaInTM.
Dr. Ron received a question asking him to verify a calculation used to determine the karat value of various gold-based alloys. It's not as simple as it appears. Read this post to see how Dr. Ron answers the question.
Graham Wilson (Sr. Applications Engineer) and Jim Hisert talk about using indium wire or indium preforms for cryogenic seals. Find out what you need to know to make the best seal.
From One Engineer to Another®
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unless specifically stated otherwise.