Synthetic Route of 24621-61-2, Research speed reading in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 24621-61-2 In a document type is Article, and a compound is mentioned, 24621-61-2, Name is (S)-Butane-1,3-diol, introducing its new discovery.
Prostereogenic mono- and dicarbamates of 1,3-propanediol and 1,4-butanediol are deprotonated by the sec-butyllithium/(-)-sparteine system with high enantiotopic differentiation.The electrophilic substitution of the intermediate chiral carbanions furnishes the title compounds with >95percent ee. Key words: Chiral 1-oxy-carbanions; enantioselective deprotonation; (-)-sparteine.
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Reference：
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate