Process for the preparation of 2-butene-1,4-diol

Details Process for the preparation of 2-butene-1,4-diol Process for the preparation of 2-butene-1,4-diol

2005-12-29

2009-06-02

Witherspoon, Sikarl A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S861000

Reexamination Certificate

active

07541501

ABSTRACT:
2-Butene-1.4-diol can be prepared by hydrogenating 2-butyne-1,4-diol in the presence of a structured catalyst in the absence of a solvent.

REFERENCES:
L. Kiwi-Minsker et al., “Loop reactor staged with structured fibrous catalytic layers for liquid-phase hydrogenations”, Chemical Engineering Science, vol. 59, No. 22-23, Nov. 2004, pp. 4919-4925.
E. Joannet et al., “Palladium supported on filamentous active carbon as effective catalyst for liquid-phase hydrogenation of 2-butyne-1,4-diol to 2-butene-1,4-diol”, Chemical Engineering Science, vol. 57, No. 16, Aug. 2002, pp. 3453-3460.
L. Kiwi-Minsker et al., “Solvent-Free Selective Hydrogenation of 2-Butyne-1,4-diol over Structured Palladium Catalyst”, Industrial & Engineering Chemistry Research, vol. 44, No. 16, 2005, pp. 6148-6153.
R. Xavier et al., “Polymer-Supported Palladium and Platinum Species as Hydrogenation Catalysts”, Journal of Polymer Science, Part A: Polymer Chemistry, vol. 30, No. 13, 1992, pp. 2665-2676.

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