Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Patent
1991-04-26
1993-07-20
Tsang, Cecilia
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Phosphorus containing other than solely as part of an...
514903, 549218, A61K 31665
Patent
active
052293777
ABSTRACT:
A process for preparing the (R) stereoisomer of 2,2-bis(hydroxmethyl)-tetrahydrofuran monobutyrate comprising subjecting the dibutyric ester of the 2,2-bis(hydroxymethyl)-tetrahydrofuran to enzymatic hydrolysis. The invention also relates to the novel (R) stereoisomer prepared by the instant process and to its more stable forms. In addition, the invention relates to the use of the (R) stereoisomer in preparing stereoisomers of pharmacologically active compounds and to certain specific stereoisomers produced thereby.
REFERENCES:
patent: 4673672 (1987-06-01), Houlihan et al.
patent: 5010067 (1991-04-01), Handley et al.
patent: 5064816 (1991-11-01), Houlihan et al.
Houlihan et al., Lipids 22(11), 884-90 (1987).
Houlihan et al., J. Lipid Mediators 2(5), 295-307 (1990).
Estermann Heinrich
Houlihan William J.
Kapa Prasad K.
Underwood Russell L.
Borovian Joseph J.
Honor Robert S.
Kassenoff Melvyn M.
Sandoz Ltd.
Tsang Cecilia
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