Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1982-09-30
1984-12-11
Jiles, Henry R.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548306, C07D23504
Patent
active
044879369
ABSTRACT:
The invention concerns a new process for the preparation of biologically active 2-[(alkoxycarbonyl)amino]-5-(alkylthio)-1H-benzimidazoles of the formula (V) ##STR1## wherein R and R.sup.1 independently stand for alkyl having 1 to 3 carbon atoms.
According to the invention compounds of the formula (V) are prepared by reacting carbamic acid alkyl esters of the formula (I) ##STR2## wherein R is as defined above, with (a) chlorosulfonic acid or
REFERENCES:
patent: 3574845 (1971-04-01), Actor et al.
patent: 4048182 (1977-09-01), Denzel et al.
Chem. Abs., 95: 169181g, vol. 95, 1981, Gonczi, et al.
Bakonyi M/a/ ria
Csermely Gy/o/ rgy
Ghyczy Jen/o/
Lugosi Gy/o/ rgy
Sz/o/ ke S/a/ ndor
Chinoin Gyogyszer - es Vegyeszeti Termekek Gyara Rt.
Jiles Henry R.
Ross Karl F.
Whittenbaugh Robert C.
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