Processes for preparing 2,2,4-trimethyl-1,3-pentanediol derivati

Details Processes for preparing 2,2,4-trimethyl-1,3-pentanediol derivati Processes for preparing 2,2,4-trimethyl-1,3-pentanediol derivati

1991-02-15

1993-01-19

Prescott, Arthur C.

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

Organic compounds

Carboxylic acid esters

560240, C07C 6700, C07C 6928

Patent

active

051808471

ABSTRACT:
A preferred process for producing 3-hydroxy-2,2,4-trimethylpentyl isobutyrate is described. The spent aqueous phase from an alkali metal hydroxide-catalyzed isobutyraldehyde condensation is concentrated in alkali metal isobutyrate salt, and the concentrated medium is introduced into a subsequent condensation to advantageously modify the isobutyraldehyde reaction. Increased conversions and productivities can thus be achieved. Preferred continuous processes, as well as preferred processes of controlled reaction duration and reactant/catalyst/salt ratios are also described. Further described is a preferred process for producing the diisobutyrate ester of 2,2,4-trimethyl-1,3-pentanediol, which in a preferred mode also achieves a desirable coproduction of the diol and its monoisobutyrate ester.

REFERENCES:
patent: 3091632 (1963-05-01), Hagemeyer et al.
patent: 3291821 (1966-12-01), Perry et al.
patent: 3442931 (1969-05-01), Duke et al.
patent: 3475343 (1969-10-01), Kusama et al.
patent: 3703541 (1972-11-01), Takasu et al.
patent: 3718689 (1973-02-01), McCain et al.
patent: 4225726 (1980-09-01), Morris et al.
patent: 4273934 (1981-06-01), Merger et al.
patent: 4883906 (1989-11-01), Argyropoulos et al.

Affiliated with

Also associated with

Rating

Processes for preparing 2,2,4-trimethyl-1,3-pentanediol derivati does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Processes for preparing 2,2,4-trimethyl-1,3-pentanediol derivati, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Processes for preparing 2,2,4-trimethyl-1,3-pentanediol derivati will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-103092