Process for producing hydroxyalkyl monoacrylate using stannoxane

Details Process for producing hydroxyalkyl monoacrylate using stannoxane Process for producing hydroxyalkyl monoacrylate using stannoxane

1998-05-26

2000-07-11

Geist, Gary

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

Organic compounds

Carboxylic acid esters

560204, 560224, C07C 6702

Patent

active

060875283

ABSTRACT:
A process for producing hydroxyalkyl monoacrylate of the present invention, comprises the steps of: reacting acrylic acid or an acrylic acid derivative with alkane diol for esterification and/or transesterification therebetween in the presence of a reaction catalyst comprising a stannoxane compound; recovering said reaction catalyst from a liquid reaction product by extraction; and recycling the recovered reaction catalyst to a reaction system for said esterification and/or transesterification. The process of the present invention is an industrially useful process for producing hydroxyalkyl monoacrylate, which is excellent in reactivity, selectivity for an aimed product, stability of a reaction catalyst used and stability of a reaction substrate and product, and is improved so as to effectively recover and reuse the reaction catalyst.

REFERENCES:
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patent: 5554785 (1996-09-01), Trapasso et al.
patent: 5606103 (1997-02-01), Trapasso et al.
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Database WPI; Section Ch, Week 8721; Derwent Pub. Ltd., Class A60, AN 87-148285.

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