Sucrose derivatives

Details Sucrose derivatives Sucrose derivatives

1977-05-25

1979-05-29

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

106 25, 106162, 536 18, 536119, 536120, 536122, C07H 902

Patent

active

041567765

ABSTRACT:
A novel cyclic acetal derivative of sucrose, 4,6-O-isopropylidenesucrose, is prepared by treating sucrose with 2,2-dimethoxypropane in N,N-dimethylformamide, in the presence of p-toluenesulphonic acid, suitably at room temperature. The product is conveniently isolated in the form of its hexa-acetate or hexabenzoate, by treatment with acetic anhydride or benzoyl chloride, respectively, in pyridine. The resulting compounds are valuable as synthetic intermediates and in conformational investigations.

REFERENCES:
patent: 3198784 (1965-08-01), Griscom et al.
patent: 3231562 (1966-01-01), Mori et al.
patent: 3751409 (1973-08-01), Lee

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