Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-02-18
1996-07-23
Rizzo, Nicholas
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
540215, 540312, 540222, 540350, 548544, 548552, C07D49900
Patent
active
055391028
ABSTRACT:
The method for producing a sulfamide according to the present invention includes the step of reacting an alcohol and an oxycarbonylsulfamide compound in the presence of a trivalent phosphorus compound and an azodicarboxylic acid derivative. In one embodiment, the sulfamide is represented by Formula I, the alcohol is represented by Formula II, and the oxycarbonylsulfamide compound is represented by Formula III:
REFERENCES:
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Grynkrewicz et al, "Reaction of 1,2:3,4-di-O-Usopropylidene-alpha-D-Galactopyranose With Dialkyl Azodicarboxylate in the Presence of Triphenylphosphine". Bulletin De L'Academie Polonaise Des Sciences, Series. des Sciences Chimiques, vol. XXIV, No. 2, 1976, Chem. Abstract 85:333 13n.
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B. Unterhalt et al, Arch. Pharm. (Weinheim) 321, 375-376, 1988, "2,4-Disubstituierte 3-Oxo-1,2,5-thiadiazolidin 1,1 dioxide".
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Irie Tadashi
Kii Makoto
Nishino Yutaka
Nishitani Yasuhiro
Sendo Yuji
Rizzo Nicholas
Shionogi Seiyaku Kabushiki Kaisha
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