Chiral supports for resolution of racemates

Details Chiral supports for resolution of racemates Chiral supports for resolution of racemates

1980-02-25

1982-03-09

Padgett, Benjamin R.

Compositions

Absorptive, or bindive, and chemically yieldive

210635, 210659, 252430, 428407, 428451, 428702, B01D 1508

Patent

active

043188192

ABSTRACT:
Material which can be utilized as the stationary phase in liquid-solid chromatography for the resolution of racemic mixtures comprises an inorganic oxide silylated with a reagent whose remaining terminus is covalently bonded to a chiral hydroxy acid. For example, a 3-aminopropylsilylated silica gel may be reacted with a chiral tartaric anhydride to form a carboxamide linkage by which the chiral acid is covalently bound to the support.

REFERENCES:
patent: 4111838 (1978-09-01), Schaeffer
patent: 4159966 (1979-07-01), Roberts
Baczok et al., J. of Chromatography, vol. 60, (1971), pp. 351-361.

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