Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1990-8-16
pubmed:abstractText
The bioactivities of the acetates of 2R,4'R,8'R- and 2S,4'R,8'R-2,4,6,7-tetramethyl-2-(4',8',12'-trimethyltridecyl)-5-h ydroxy-3,4- dihydrobenzofuran (RRR- and SRR-1-Ac) have been measured in the rat curative myopathy bioassay and compared with the RRR and SRR stereoisomers of alpha-tocopheryl acetate (RRR- and SRR-2-Ac). Each stereoisomer of 1 is only slightly more active than the corresponding stereoisomer of 2(RRR-1-Ac/RRR-2-Ac = 1.10; SRR-1-Ac/SRR-2-Ac = 1.16). This finding contrasts with our earlier finding [(1986) FEBS Lett. 205, 117-120], confirmed in the present study, that all-rac-1-Ac is 1.5-1.9 as active as all-rac-2-Ac. We suggest that the stereochemistry (S vs R) at the 4' and 8' tail carbons is of less biological importance in 1 than in 2.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0014-5793
pubmed:author
pubmed:issnType
Print
pubmed:day
2
pubmed:volume
267
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
63-5
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Further studies of a new vitamin E analogue more active than alpha-tocopherol in the rat curative myopathy bioassay.
pubmed:affiliation
Division of Chemistry, National Research Council of Canada, Ottawa, Ont.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't