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- Publisher Website: 10.1021/jo0506635
- Scopus: eid_2-s2.0-20844462727
- PMID: 15960548
- WOS: WOS:000229982900062
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Article: Efficient and reusable PdCl2(MeCN)2/CuCl 2/PEG-400 system for cyclization of alkenyl β-keto esters and amides
Title | Efficient and reusable PdCl2(MeCN)2/CuCl 2/PEG-400 system for cyclization of alkenyl β-keto esters and amides |
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Authors | |
Issue Date | 2005 |
Publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/joc |
Citation | Journal Of Organic Chemistry, 2005, v. 70 n. 13, p. 5347-5349 How to Cite? |
Abstract | PEG-400 [poly(ethylene glycol-400)] was found as an effective medium for the PdCl2(MeCN)2-catalyzed hydroalkylation cyclization of alkenyl β-keto esters and amides. In PEG-400, no additives such as Me 3SiCl and Ln(OTf)3 were required for the complete conversion of alkenyl β-keto esters. The results also snowed that CuCl 2 could promote the reaction. In the presence of PdCl 2(MeCN)2, CuCl2, and PEG-400, various alkenyl β-keto esters and amides underwent a selective cyclization reaction to give good to excellent yields of the desired six-membered-ring carbocycles. Furthermore, the PdCl2(MeCN)2/CuCl2/PEG-400 system could be recycled and reused five times without any loss of catalytic activity. © 2005 American Chemical Society. |
Persistent Identifier | http://hdl.handle.net/10722/167936 |
ISSN | 2023 Impact Factor: 3.3 2023 SCImago Journal Rankings: 0.724 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Li, JH | en_US |
dc.contributor.author | Zhu, QM | en_US |
dc.contributor.author | Liang, Y | en_US |
dc.contributor.author | Yang, D | en_US |
dc.date.accessioned | 2012-10-08T03:13:07Z | - |
dc.date.available | 2012-10-08T03:13:07Z | - |
dc.date.issued | 2005 | en_US |
dc.identifier.citation | Journal Of Organic Chemistry, 2005, v. 70 n. 13, p. 5347-5349 | en_US |
dc.identifier.issn | 0022-3263 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/167936 | - |
dc.description.abstract | PEG-400 [poly(ethylene glycol-400)] was found as an effective medium for the PdCl2(MeCN)2-catalyzed hydroalkylation cyclization of alkenyl β-keto esters and amides. In PEG-400, no additives such as Me 3SiCl and Ln(OTf)3 were required for the complete conversion of alkenyl β-keto esters. The results also snowed that CuCl 2 could promote the reaction. In the presence of PdCl 2(MeCN)2, CuCl2, and PEG-400, various alkenyl β-keto esters and amides underwent a selective cyclization reaction to give good to excellent yields of the desired six-membered-ring carbocycles. Furthermore, the PdCl2(MeCN)2/CuCl2/PEG-400 system could be recycled and reused five times without any loss of catalytic activity. © 2005 American Chemical Society. | en_US |
dc.language | eng | en_US |
dc.publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/joc | en_US |
dc.relation.ispartof | Journal of Organic Chemistry | en_US |
dc.title | Efficient and reusable PdCl2(MeCN)2/CuCl 2/PEG-400 system for cyclization of alkenyl β-keto esters and amides | en_US |
dc.type | Article | en_US |
dc.identifier.email | Yang, D:yangdan@hku.hk | en_US |
dc.identifier.authority | Yang, D=rp00825 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1021/jo0506635 | en_US |
dc.identifier.pmid | 15960548 | - |
dc.identifier.scopus | eid_2-s2.0-20844462727 | en_US |
dc.identifier.hkuros | 102001 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-20844462727&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 70 | en_US |
dc.identifier.issue | 13 | en_US |
dc.identifier.spage | 5347 | en_US |
dc.identifier.epage | 5349 | en_US |
dc.identifier.isi | WOS:000229982900062 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Li, JH=35237707800 | en_US |
dc.identifier.scopusauthorid | Zhu, QM=7403313168 | en_US |
dc.identifier.scopusauthorid | Liang, Y=36106181900 | en_US |
dc.identifier.scopusauthorid | Yang, D=7404800756 | en_US |
dc.identifier.issnl | 0022-3263 | - |