BIOSYNTHESIS OF TRITERPENOIDS. THE STEREOCHEMISTRY OF THE SQUALENE FORMATION AND ITS CYCLIZATION TO β-AMYRIN
Takayuki Suga, Tsuyoshi Shishibori, Sanae Kimoto
Abstract
Takayuki Suga, Tsuyoshi Shishibori, Sanae Kimoto
Abstract
Abstract The distribution of deuterium in squalene and β-amyrin biosynthesized from [6-D3]-mevalonic acid in Pisum sativum has been analyzed by NMR spectroscopy. It was thus proved that the cis-terminal methyls of squalene and the 4β-methyl group of β-amyrin are stereospecifically derived from the 3-methyl group of mevalonic acid.
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Abstract The distribution of deuterium in squalene and β-amyrin biosynthesized from [6-D3]-mevalonic acid in Pisum sativum has been analyzed by NMR spectroscopy. It was thus proved that the cis-terminal methyls of squalene and the 4β-methyl group of β-amyrin are stereospecifically derived from the 3-methyl group of mevalonic acid.
Key concepts: Squalene, Chemistry, Mevalonic acid, Stereochemistry, Terpene, Terpenoid, Triterpenoid, Pisum