Abstract: Aminodesoxy-1.4;3.6-dianhydrohexitol nitrates of the general formula I, ##STR1## wherein R.sup.1 and R.sup.2 possess the meanings given in claim 1, as well as their pharmacologically acceptable acid-addition salts; processes for the preparation of said compounds, and pharmaceutical compositions containing at least one of said compounds.
Type:
Grant
Filed:
July 20, 1981
Date of Patent:
December 14, 1982
Assignee:
Firma Willmar Schwabe
Inventors:
Klaus Klessing, Shyam S. Chatterjee, Bernard L. Gabard
Abstract: The invention relates to new stereoisomeric 1,4;3,6-dianhydro-2,5-diazido-2,5-dideoxy-hexitols of the Formula I.These compounds can be prepared by(a) reacting a hexitol derivative of the general Formula II /wherein R is a mesyl or tosyl group/ in an aqueous or anhydrous organic solvent with an alkali metal azide or ammonium azide; or(b) mesylating or tosylating a compound of the Formula III and treating the mixed ester of the general Formula IV thus obtained /wherein R is as stated above/ with a base; or(c) subjecting a compound of the Formula III to debenzoylation and subsequently to partial esterification and treating the compound of the general Formula V thus obtained /wherein R is as stated above/ with a base.The new compounds of the Formula I possess valuable hypnotic properties and can be used in therapy.
Type:
Grant
Filed:
March 11, 1981
Date of Patent:
June 1, 1982
Assignee:
Egyt Gyogyszervegyeszeti Gyar
Inventors:
Janos Kuszmann, Gabor Medgyes, Ferenc Andrasy, Pal Berzsenyi