Process for the separation and purification of oligo and polyhyd

Details Process for the separation and purification of oligo and polyhyd Process for the separation and purification of oligo and polyhyd

1977-03-23

1979-10-23

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

260462R, 568854, 536 32, 536 48, 536101, 536115, 536121, C07H 2300

Patent

active

041721950

ABSTRACT:
A process for the separation and/or purification of oligo- and polyhydroxy compounds by introducing and subsequently eliminating protective groups, wherein oligo- and polyhydroxy compounds are reacted with bis(ethyl-pivaloyloxy)-diboroxane or ethylboroxine, optionally in inert solvents, the resulting O-ethylboranodiyl derivatives of the hydroxy compounds are separated off and the O-ethylboranodiyl protective groups are eliminated by alcoholic compounds, for example methanol or glycol.

REFERENCES:
patent: 3067192 (1962-12-01), Emrick et al.
patent: 3222379 (1965-12-01), Farthouat
patent: 3231561 (1966-01-01), Brunelle et al.
patent: 3853941 (1974-12-01), Hough et al.
patent: 3891621 (1975-06-01), Arthur, Jr. et al.
patent: 3923781 (1975-12-01), Rogers

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