One step process for the preparation of anticonvulsant...

Details One step process for the preparation of anticonvulsant... One step process for the preparation of anticonvulsant...

2007-01-02

2007-01-02

Tsang, Cecilia J. (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S337000, C549S387000, C549S396000, C549S426000, C549S427000, C549S433000, C549S443000, C558S048000, C564S089000, C564S090000

Reexamination Certificate

active

10790274

ABSTRACT:
The present invention is directed to a one-step process for the preparation of fructopyranose sulfamate derivatives of the general formula (I)wherein X, R1, R3, R4, R5and R6are as described in the specification.

REFERENCES:
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patent: 4582916 (1986-04-01), Gardocki et al.
patent: 5387700 (1995-02-01), Maryanoff et al.
Hatt et al , Aust. Jol. Chem. vol. 18, No. 123 pp. 2045-2048(1965) Chem Abstract best availible copy.
Vatele, J-M et al., “Design and Reactivity of Organic Functional Groups—Preparation and Nucleophilic Displacement Reactions fo Imimdazole-1-Sulfonates (Imidazylates)”, Tetrahedron, Elsevier Science Publishers, Amsterdam, Netherlands, vol. 52, No. 32, 1996, pp. 10557-10568.
PCT International Search Report, dated Aug. 3, 2004, for PCT Int'l. Appln. No. PCR/US2004/006263.

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