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Cis- and trans-isomers of alpha-hydroxy-alpha,beta-dibenzyl-gamma-butyrolactone lignans 1a,d-g and 2a,c,d were stereoselectively synthesized in good yields based on the electrophilic addition to the(More)
Transcription of the gene coding for serine dehydratase (SDH, EC in rat liver is induced 3-4 fold by glucocorticoids plus glucagon, but not by either hormone alone. For identification of(More)
Factors affecting the stereochemical course of the intramolecular cycloaddition of intermediary alpha-allyloxycarbonylnitrone resulting from transesterification of alpha-methoxycarbonylnitrones 1a-d(More)