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  • High catalytic activity of silicalite in gas-phase ketonisation of propionic acid.

High catalytic activity of silicalite in gas-phase ketonisation of propionic acid.

Chemical communications (Cambridge, England) (2013-03-19)
Hossein Bayahia, Elena Kozhevnikova, Ivan Kozhevnikov
ABSTRACT

Amorphous silica and crystalline silicalite (MFI structure) are demonstrated to be active and environmentally benign catalysts for propionic acid ketonisation at 450-500 °C to form 3-pentanone. The silicalite is particularly efficient, and its ketonisation selectivity is increased by base modification probably through generation of silanol nests.

MATERIALS
Product Number
Brand
Product Description

Supelco
Propionic acid, analytical standard
Sigma-Aldrich
Propionic acid, natural, 99%, FG
Sigma-Aldrich
Propionic acid, ≥99.5%, FCC, FG
Sigma-Aldrich
Propionic acid, BioReagent, suitable for insect cell culture, ~99%
Sigma-Aldrich
Propionic acid, ACS reagent, ≥99.5%
Sigma-Aldrich
Propionic acid, puriss. p.a., ≥99.5% (GC)
Sigma-Aldrich
Propionic acid, ≥99.5%