Processing for producing allyl 2-hydroxyisobutyrate

Details Processing for producing allyl 2-hydroxyisobutyrate Processing for producing allyl 2-hydroxyisobutyrate

1999-08-31

2000-12-19

Wilson, James O.

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

Organic compounds

Carboxylic acid esters

C07C 6966

Patent

active

061629464

ABSTRACT:
There is disclosed a process for producing allyl 2-hydroxyisobutyrate useful as a raw material for agrochemicals and pharmaceuticals, which comprises reacting methyl 2-hydroxyisobutyrate with allyl alcohol preferably by means of reactional distillation in the presence of a transesterification catalyst preferably comprising titanium tetramethoxide or titanium tetraisopropoxide under solventless mild reaction conditions including a reaction temperature in the range of 80 to 150.degree. C. and a reaction time in the range of 10 minutes to 12 hours. The process enables efficient and easy production of the objective allyl 2-hydroxxyisobutyrate in high yield and high efficiency without the need of troublesome operations.

REFERENCES:
patent: 2355330 (1944-08-01), Rehberg et al.
patent: 3678096 (1972-07-01), Trecker et al.
patent: 4579967 (1986-04-01), Linstid
patent: 5480954 (1996-01-01), Guo
patent: 5519103 (1996-05-01), Guo
patent: 5605995 (1997-02-01), Guo
patent: 5639827 (1997-06-01), Guo

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