• Home
  • Search Results
  • Bifunctionalized hollow nanospheres for the one-pot synthesis of methyl isobutyl ketone from acetone.

Bifunctionalized hollow nanospheres for the one-pot synthesis of methyl isobutyl ketone from acetone.

ChemSusChem (2012-11-08)
Peng Wang, Shiyang Bai, Jiao Zhao, Panpan Su, Qihua Yang, Can Li
ABSTRACT

Pd-doped propyl sulfonic acid-functionalized hollow nanospheres proved to be efficient bifunctionalized catalysts for the one-pot synthesis of methyl isobutyl ketone (MIBK) from acetone and hydrogen in liquid phase. These hollow nanospheres exhibited a higher activity than their bulk mesoporous counterparts (SBA-15 or FDU-12), mainly due to the short diffusion resistance of hollow nanospheres. Hollow nanospheres with silica frameworks showed higher activity and selectivity for MIBK than those with ethane-bridged frameworks, suggesting that hollow nanospheres with hydrophilic surface properties favor the formation of MIBK. This is probably due to the increased affinity of the hydrophilic surface towards acetone and its decreased affinity towards MIBK, which precludes deep condensation of MIBK with acetone. Under optimal conditions, up to 90 % selectivity for MIBK can be obtained with conversions of acetone as high as 43 %. This result is among the best reported so far for mesoporous silica-based catalysts. The control/fine-tuning of morphology and surface properties provides an efficient strategy for improving the catalytic performance of solid catalysts.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
4-Methyl-2-pentanone, suitable for HPLC, ≥99.5%
Sigma-Aldrich
4-Methyl-2-pentanone, ACS reagent, ≥98.5%
Sigma-Aldrich
Tetramethyl orthosilicate, 98%
Supelco
4-Methyl-2-pentanone, analytical standard
Sigma-Aldrich
2-Hexanone, reagent grade, 98%
Sigma-Aldrich
Tetramethyl orthosilicate, ≥99%
Sigma-Aldrich
4-Methyl-2-pentanone, ≥99%
Sigma-Aldrich
4-Methyl-2-pentanone, ≥99%, FCC
Sigma-Aldrich
Ethane, 99.99%
Supelco
2-Hexanone, analytical standard
Sigma-Aldrich
Tetramethyl orthosilicate, purum, ≥98.0% (GC)
Sigma-Aldrich
Ethane, ≥99%
Sigma-Aldrich
Tetramethyl orthosilicate, deposition grade, ≥98%, ≥99.9% trace metals basis
Supelco
2-Hexanone, analytical standard

Social Media

LinkedIn icon
Twitter icon
Facebook Icon
Instagram Icon

MilliporeSigma

Research. Development. Production.

We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.

© 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.

Reproduction of any materials from the site is strictly forbidden without permission.