Environmentally friendly tetrahydrofuranylation of alcohols using NaHSO4SiO2 under solvent-free conditions
A simple, environmentally friendly, and efficient tetrahydrofuranylation of alcohols has been developed using NaHSO4SiO2 (0.5 mol%) as a catalyst under solvent-free conditions to yield corresponding THF ethers in good to excellent yi
Process for the preparation of 2-oxytetrahydrofurans
A two-phase process for preparing 2-oxytetrahydrofurans is disclosed. Aqueous 4-hydroxybutanal, which is readily available from a commercial hydroformylation process, is combined with an organic solution of a hydroxy compound in the presence of an acid catalyst to produce a 2-oxytetrahydrofuran. 2-Oxytetrahydrofurans are useful intermediates for pharmaceuticals or for the synthesis of 2,3-dihydrofuran.
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(2008/06/13)
Synthesis of 2-tetrahydrofuranyl ethers from aqueous 4-hydroxybutanal
2-Tetrahydrofuranyl ethers are prepared simply and in high yield from an alcohol and aqueous 4-hydroxybutanal using a two phase reaction system.
Lawson,Klang
p. 3205 - 3210
(2007/10/02)
Studies on the synthesis of chemotherapeutics. I. Synthesis of 1 (2 tetrahydrofuryl) 5 fluorouracil [Ftorafur]. (Studies on the syntheses of heterocyclic compounds. Part 703) (I)
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Kametani,Kigasawa,Hiiragi,et al.
p. 473 - 475
(2007/10/05)
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