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The genome of the model plant Arabidopsis thaliana encodes 13 oxidosqualene cyclases, 9 of which have been characterized by heterologous expression in yeast. Here we describe another cyclase, baruol(More)
As described by Carter et al. (J. Biol. Chem. 1951. 192: 197-207), O-methyl derivatives of sphingosine are formed upon acid hydrolysis of sphingolipids in the presence of methanol. In the present(More)
4,4-dimethyl-5 alpha-cholesta-8,14,24-trien-3 beta-ol, a sterol of current biological interest, has been synthesized in six steps from 3 beta-acetoxy-4,4-dimethyl-5 alpha-cholest-8(14)-en-15-one.
A side-chain fluorinated delta 8(14)-15-ketosterol has been synthesized from 3 beta-acetoxy-24-hydroxy-5 alpha-chol-8(14)-en-15-one (VII) as part of a program to prepare new analogs of 3(More)