Process for the preparation of cyclodextrins or other compounds

Details Process for the preparation of cyclodextrins or other compounds Process for the preparation of cyclodextrins or other compounds

1994-01-25

1996-12-31

Mullis, Jeffrey C.

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

Organic compounds

Carbohydrates or derivatives

127 34, C08B 3716, C07B 6300

Patent

active

055895905

ABSTRACT:
A process for preparing any substance capable of forming a clathrate with a gas may start from a mixture in solution or in suspension of this substance with other components. This mixture is contacted with a gas to form a clathrate with the substance, a precipitate is collected, and the substance is recovered. The invention is especially useful for purifying .alpha.-cyclodextrin.

REFERENCES:
patent: 3541077 (1970-11-01), Armbruster
patent: 4303787 (1981-12-01), Horikoshi et al.
patent: 4670159 (1987-06-01), Garrett et al.
patent: 4904306 (1990-02-01), Ammeraal
J. Szejtli in "Cyclodextrins and their Inclusion Complexes", pp. 70-73; 133-143, Budapest, Hungary, 1982.
Szejtli, Cyclodextrin Technology, pp. 165-166 1988 (month unavailable).
F. Cramer et al, "Uber Einschlussverbindungen, XII: Verbindungen von Cyclodextrin mit Gasen", Chemische Berichte, vol. 90, 1957, pp. 2572-2575 (month unavailable).

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