Silica-supported PtSn catalysts obtained through surface organometallic chemistry on metals techniques using a hydrosoluble organotin promoter. Application to the selective hydrogenation of α,β-unsaturated aldehydes and ketones
In this paper we propose the preparation of a PtSn bimetallic catalyst through techniques derived from Surface Organometallic Chemistry on Metals (SOMC/M) using water as solvent. The system, PtSn0.2ac, was employed in the chemoselective liquid-phase hydrogenation of acetophenone, cinnamaldehyde an...
| Authors: | , , |
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| Format: | article |
| Status: | Published version |
| Publication Date: | 2014 |
| Country: | Argentina |
| Institution: | Consejo Nacional de Investigaciones Científicas y Técnicas |
| Repository: | CONICET Digital (CONICET) |
| Language: | English |
| OAI Identifier: | oai:ri.conicet.gov.ar:11336/5739 |
| Online Access: | http://hdl.handle.net/11336/5739 |
| Access Level: | Open access |
| Keyword: | Ptsn Catalysis Somc/M Hydrosolubre Organotin Promoter Acetophenone Cinnamaldehyde Chemoselective Hydrogenation https://purl.org/becyt/ford/2.4 https://purl.org/becyt/ford/2 |
| Summary: | In this paper we propose the preparation of a PtSn bimetallic catalyst through techniques derived from Surface Organometallic Chemistry on Metals (SOMC/M) using water as solvent. The system, PtSn0.2ac, was employed in the chemoselective liquid-phase hydrogenation of acetophenone, cinnamaldehyde and benzaldehyde. The results were compared with those obtained with a PtSn catalyst also prepared via SOMC/M, but using a conventional paraffinic solvent. The aqueous medium-prepared catalyst resulted to be as active in and selective to the desired product (unsaturated alcohols) as that obtained from n-heptane. This catalyst has the advantage of being prepared in a solvent compatible with the environment, without losing the superior characteristics of SOMC/M-based systems. |
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