19731940

Source:http://linkedlifedata.com/resource/pubmed/id/19731940

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Predicate	Object
rdf:type	pubmed:Citation
lifeskim:mentions	umls-concept:C0034326, umls-concept:C0220781, umls-concept:C0444454, umls-concept:C1708111, umls-concept:C1883254
pubmed:issue	19
pubmed:dateCreated	2009-9-24
pubmed:abstractText	The reaction of hydrazinoethyl 1,1-cyclopropanediesters with aldehydes in the presence of catalytic Yb(OTf)(3) allows access to structurally complex fused bicyclo pyrazolidines. Either 2,5-cis or 2,5-trans adducts can be obtained in good to excellent yields in most cases by simply controlling the order of addition of the catalyst and aldehyde.
pubmed:language	eng
pubmed:journal	http://linkedlifedata.com/resource/pubmed/journal/100890393
pubmed:citationSubset	IM
pubmed:chemical	http://linkedlifedata.com/resource/pubmed/chemical/Pyrazoles, http://linkedlifedata.com/resource/pubmed/chemical/Pyrrolidines
pubmed:status	MEDLINE
pubmed:month	Oct
pubmed:issn	1523-7052
pubmed:author	pubmed-author:KerrMichael AMA, pubmed-author:LeboldTerry PTP
pubmed:issnType	Electronic
pubmed:day	1
pubmed:volume	11
pubmed:owner	NLM
pubmed:authorsComplete	Y
pubmed:pagination	4354-7
pubmed:meshHeading	pubmed-meshheading:19731940-Molecular Conformation, pubmed-meshheading:19731940-Pyrazoles, pubmed-meshheading:19731940-Pyrrolidines, pubmed-meshheading:19731940-Stereoisomerism
pubmed:year	2009
pubmed:articleTitle	Stereodivergent synthesis of fused bicyclopyrazolidines: access to pyrazolines and pyrrolidines.
pubmed:affiliation	Department of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 5B7.
pubmed:publicationType	Journal Article, Research Support, Non-U.S. Gov't