Linked Life Data

19552379

Source:http://linkedlifedata.com/resource/pubmed/id/19552379

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
15
pubmed:dateCreated
2009-9-3
pubmed:abstractText
Starting from commercially available natural rosin derivatives, a class of bifunctional rosin-derived amine thiourea catalysts were designed and synthesized. The doubly stereocontrolled asymmetric addition of a variety of 1,3-dicarbonyl compounds to nitroalkenes was investigated. These rosin-derived chiral thioureas have been shown to serve as effective catalysts for this double-sterecontrolled organocatalytic process by the investigation of the efficacy of the thiourea catalysts in comparison with other thiourea catalysts reported. In addition, these chiral thiourea ligands are easily available. Furthermore, the rosin-derived tertiary amine-thiourea was also revealed to be highly efficient for construction of contiguous stereogenetic centers containing an asymmetric quaternary carbon by the Michael reaction of alpha-substituted beta-ketoesters to nitroalkenes.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1520-6904
pubmed:author
pubmed:issnType
Electronic
pubmed:day
7
pubmed:volume
74
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
5562-7
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Enantio- and diastereoselective asymmetric addition of 1,3-dicarbonyl compounds to nitroalkenes in a doubly stereocontrolled manner catalyzed by bifunctional rosin-derived amine thiourea catalysts.
pubmed:affiliation
State Key Laboratory of Applied Organic Chemistry, Institute of Biochemistry and Molecular Biology, Lanzhou University, Lanzhou 730000, China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't