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- W2949905482 abstract "Abstract 5-Substituted lactol 1 was converted to 2,5-disubstituted tetrahydrofuran derivatives by a Lewis acid-promoted reaction with allylsilanes. High trans selectivity (12:1) was obtained when hindered allylsilane 8 was employed. 5-Substituted lactol 16 was transformed into 2,5- cis -disubstituted tetrahydrofuran 17b (6:1 ratio) by a TiCl 4 -promoted intramolecular allyl transfer process. Additionally, 2,5- cis -disubstituted tetrahydrofuran derivatives were obtained in good yields and diastereoselectivities after alkyllithium addition to lactone 6 , followed by Et 3 SiH/BF 3 ·OEt 2 reduction of the corresponding hemiketals." @default.
- W2949905482 created "2019-06-27" @default.
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- W2949905482 date "2001-02-27" @default.
- W2949905482 modified "2023-10-05" @default.
- W2949905482 title "ChemInform Abstract: Diastereoselective Synthesis of 2,5-Disubstituted Tetrahydrofuran Derivatives." @default.
- W2949905482 cites W2009983164 @default.
- W2949905482 doi "https://doi.org/10.1002/chin.200109108" @default.
- W2949905482 hasPublicationYear "2001" @default.
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