Method for producting 4-(methylthio)butane-1,2-diol

Details Method for producting 4-(methylthio)butane-1,2-diol Method for producting 4-(methylthio)butane-1,2-diol

2006-08-11

2009-12-29

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Sulfur containing

C568S062000

Reexamination Certificate

active

07638655

ABSTRACT:
A method for producing 4-(methylthio)butane-1,2-diol which comprises reacting 3-butene-1,2-diol with methanethiol in the presence of at least one nitrogen-containing compound selected from a nitrogen-containing aromatic compound and a tertiary amine compound and a carboxylic acid compound.

REFERENCES:
patent: 7485757 (2009-02-01), Hagiya
patent: 2004/0063650 (2004-04-01), Shiozaki et al.
patent: 1 260 500 (2002-11-01), None
patent: 2002-121182 (2002-04-01), None
Steadman, Thomas R. et al., “A Methionine Substitute: 4-Methylthiobutane-1,2-diol”, J. Agric. Food Chem., vol. 23, No. 6, 1975, pp. 1137-1144.

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