Chiral stationary phase based on yohimbine

Details Chiral stationary phase based on yohimbine Chiral stationary phase based on yohimbine

1997-11-25

1999-01-12

Lewis, Michael

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Organic

502400, 502407, 21050037, 21050038, 2105021, B01J 7010, B01J 7022, B01D 3916

Patent

active

058589104

ABSTRACT:
A set of chiral stationary phases is based on yohimbine and its derivatives. In particular, the hydroxyl functionality of yohimbine and its analogs is covalently bonded via a urethane linkage to a polymethylenesilyl chain attached to the bound hydroxyl groups of a refractory inorganic oxide by Si-O bonds. The resulting chiral stationary phases have multiple chiral recognition sites and can be used with a broad spectrum of materials as eluents without leaching.

REFERENCES:
patent: 3677410 (1972-07-01), Okumura et al.
patent: 4882048 (1989-11-01), Blaschke et al.
patent: 5240602 (1993-08-01), Hammen

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