Betaine group-containing polysaccharides with recurring anhydrog

Details Betaine group-containing polysaccharides with recurring anhydrog Betaine group-containing polysaccharides with recurring anhydrog

1989-05-17

1992-06-23

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536119, 536 179, 536 172, 536124, 514880, 514881, 424 70, C07H 1500, C07H 100, A61K 706

Patent

active

051244462

ABSTRACT:
Betaine group-containing polysaccharides with recurring anhydroglucose units of the average, general formula ##STR1## are disclosed. In this formula the R.sup.1 groups are the same or different and represent methyl, (C.sub.n H.sub.2n O).sub.m R.sup.2 or ##STR2## in which n=2 or 3, m=0 to 10, p=0 to 10 and R.sup.2 is a hydrogen atom or the betaine group ##STR3## in which R.sup.3 and R.sup.4 are the same or different and represent an alkyl group with 1 to 4 carbon atoms and R.sup.5 is a divalent aliphatic hydrocarbon group with 1 to 10 carbon atoms, with the proviso that at least 0.5% of the R.sup.1 groups in the polysaccharide molecule represent the betaine group.
Also disclosed is a method for the synthesis of these compounds and their use in cosmetic preparations, especially for the care of the hair. In addition, novel compounds of the general formula ##STR4## are disclosed as intermediates in which the substituents R.sup.3, R.sup.4 and R.sup.5 have the above meaning.

REFERENCES:
patent: 3472840 (1969-10-01), Stone et al.
patent: 3654261 (1972-04-01), Johnson
patent: 3931148 (1976-01-01), Langdon
patent: 4767463 (1988-08-01), Brode et al.
patent: 4772689 (1988-09-01), Lang et al.
patent: 4822598 (1989-04-01), Lang et al.

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