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- W2387487069 abstract "The chiral diol methyl 3,4-dihydroxybutanoate(2)was prepared by ring-opening reaction of(S)-3-hydroxy-γ-butyrolactone.The primary hydroxy group of 2 was selectively tosylated first and then the key intermediate 5 was obtained via benzylation of the secondary hydroxy group in good yield.(S)-4-hydroxypyrrolidin-2-one in overall yield of 26% was synthesized by the subsequent cyclization with ammonia methanol solution of 5 and then debenzylation.The structure was confirmed by 1H NMR and HR-MS and its optical rotation was in good accordance with the reported value." @default.
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- W2387487069 date "2010-01-01" @default.
- W2387487069 modified "2023-09-26" @default.
- W2387487069 title "A Facile Synthesis of (S)-4-hydroxypyrrolidin-2-one" @default.
- W2387487069 hasPublicationYear "2010" @default.
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