Preparation of 2-hydroxybenzamidines from 3-aminobenzisoxazoles
摘要:
2-Hydroxybenzamidines have been prepared from 3-aminobenzisoxazoles by reductive cleavage of the nitrogen-oxygen bond using catalytic hydrogenation, Zn/AcOH or NiCl2/NaBH4. This ring-opening reaction can be accomplished chemoselectively in the presence of a variety of hydrogenation-sensitive functional groups including an aryl bromide, benzyl carbamate, and olefin. (C) 2002 Published by Elsevier Science Ltd.
Substituted 3-(aminoalkylamino)-1,2-benzisoxazoles and related compounds
申请人:Hoechst-Roussel Pharmaceutical Incorporated
公开号:US05494908A1
公开(公告)日:1996-02-27
This application relates to compounds of the formula ##STR1## wherein R.sup.1, X, Y and n are as defined in the specification; and pharmaceutically acceptable addition salts thereof and optical and geometric isomers or racemic mixtures thereof; which compounds are useful for the treatment of various memory dysfunctions characterized by a decreased cholinergic function such as Alzheimer's disease. Compounds of this invention also inhibit monoamine oxidase and hence are useful as antidepressants.
[EN] AMINOBENZISOXAZOLE COMPOUNDS AS AGONISTS OF A7-NICOTINIC ACETYLCHOLINE RECEPTORS<br/>[FR] COMPOSÉS D'AMINOBENZISOXAZOLE EN TANT QU'AGONISTES DES RÉCEPTEURS DE L'ACÉTYLCHOLINE Α7-NICOTINIQUE
申请人:FORUM PHARMACEUTICALS INC
公开号:WO2016201096A1
公开(公告)日:2016-12-15
The present invention relates to novel aminobenzisoxazole compounds, and pharmaceutical compositions of the same, that are suitable as agonists or partial agonists of ot7-nAChR, and methods of preparing these compounds and compositions, and the use of these compounds and compositions in methods of maintaining, treating and/or improving cognitive function. In particular, methods of administering the compound or composition to a patient in need thereof, for example a patient with a cognitive deficiency and/or a desire to enhance cognitive function, that may derive a benefit therefrom.
Novel one-pot cyclization of ortho substituted benzonitriles to 3-amino-1,2-benzisoxazoles
作者:M.G. Palermo
DOI:10.1016/0040-4039(96)00425-x
日期:1996.4
(iii), from ortho substituted benzonitriles (i), is described. The synthesis likely involves a SnArreaction of an activated ortho halo or nitrogroup by a hydroxamate anion, followed by an intra-molecular ring closure. 3-Amino-1,2-benzisoxazoles (iii) can be generated quickly in comparable or superior yields via this one-pot procedure when compared to other methods.1,2 Reaction parameters and conditions
Substituted 3-(aminoalklamino)-1,2-benzisoxazoles and related compounds
申请人:Aventis Pharmaceuticals Inc.
公开号:US06046203A1
公开(公告)日:2000-04-04
This application relates to compounds of the formula ##STR1## wherein R.sup.1,X, Y and n are as defined in the specification; and pharmaceutically acceptable addition salts thereof and optical and geometric isomers or racemic mixtures thereof; which compounds are useful for the treatment of various memory dysfunctions characterized by a decreased cholinergic function such as Alzheimer's disease. Compounds of this invention also inhibit monoamine oxidase and hence are useful as antidepressants.
Substituted 3-(aminoalkylamino)-1, 2-benzisoxazoles and related compounds
申请人:Hoechst Marion Roussel, Inc.
公开号:US05925766A1
公开(公告)日:1999-07-20
This application relates to compounds of the formula ##STR1## wherein R.sup.1, X, Y and n are as defined in the specification; and pharmaceutically acceptable addition salts thereof and optical and geometric isomers or racemic mixtures thereof; which compounds are useful or the treatment of various memory dysfunctions characterized by a decreased cholinergic function such as Alzheimer's disease. Compounds of this invention also inhibit monoamine oxidase and hence are useful as antidepressants.