Patents Assigned to SYNAPTEC DEVELOPMENT LLC
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Patent number: 11219627Abstract: Analogs of (4aS,6R,8aS)-5,6,9,10,11,12-hexahydro-3-methoxy-11-methyl-4aH-[1]benzofuro[3a,3,2-ef][2]benzazepin-6-ol of the formula: wherein R1 carbamate, carbonate or carboxlate group; R2 is alkoxy group of from one to six carbon atoms, a hydroxy group, hydrogen, an alkanoyloxy group or 2 to 10 carbon atoms, a benzoyloxy or substituted benzoyloxy group, a carbonate group of 1 to 10 carbon atoms or a carbamate group such as a mono alkyl or dialkyl or an aryl carbamate wherein the alkyl groups or aryl groups contain from 1 to 10 carbons; and R3 is hydrogen, alkyl of 1 to 10 carbon atoms, benzyl, cyclopropylmethyl group or a substituted or unsubstituted benzoyloxy group are of use in treating persons meeting criteria for having a risk of developing Alzheimer's type dementia, before symptoms of dementia are observed by reducing the decline of A? amyloid CSF.Type: GrantFiled: May 18, 2015Date of Patent: January 11, 2022Assignee: Synaptec Development LLCInventor: Bonnie M. Davis
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Patent number: 10561665Abstract: Autistic Spectrum Disorders (ASD) are a group of developmental disorders including autistic disorder, Asperger disorder and pervasive developmental disorder not otherwise specified which may be treated by use of a galanthamine analog wherein the hydroxy group of galantamine is replaced by a carbamate, carbonate or ester group and the methoxy group may be replaced by another alkoxy group of from two to six carbon atoms, a hydroxy group, hydrogen, an alkanoyloxy group or 2 to 10 carbon atoms, a benzoyloxy or substituted benzoyloxy group, a carbonate group of 1 to 10 carbon atoms or a carbamate group such as a mono alkyl or dialkyl or an aryl carbamate wherein the alkyl groups or aryl groups contain from 1 to 10 carbons; and the N-methyl group may be replaced by hydrogen, alkyl of 1 to 10 carbon atoms, benzyl, cyclopropylmethyl group or a substituted or unsubstituted benzoyloxy group. Galantamine mon-alkylcarbamates are particularly useful.Type: GrantFiled: March 24, 2015Date of Patent: February 18, 2020Assignee: Synaptec Development LLCInventor: Bonnie M. Davis
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Publication number: 20180200259Abstract: Galantamine and its pharmaceutically acceptable salts are of use in treating persons meeting criteria for having a risk of developing Alzheimer's type dementia, before dementia occurs by reducing the decline of A? amyloid in CSF or the increase in cortical beta amyloid, in order to delay cognitive decline.Type: ApplicationFiled: May 18, 2016Publication date: July 19, 2018Applicant: SYNAPTEC DEVELOPMENT LLCInventor: Bonnie M. DAVIS
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Publication number: 20170173038Abstract: Autistic Spectrum Disorders (ASD) are a group of developmental disorders including autistic disorder, Asperger disorder and pervasive developmental disorder not otherwise specified which may be treated by use of a galanthamine analog wherein the hydroxy group of galantamine is replaced by a carbamate, carbonate or ester group and the metboxy group may be replaced by another alkoxy group of from two to six carbon atoms, a hydroxy group, hydrogen, an alkanoyloxy group or 2 to 10 carbon atoms, a benzoyloxy or substituted benzoyloxy group, a carbonate group of 1 to 10 carbon atoms or a carbamate group such as a mono alkyl or dialkyl or an aryl carbamate wherein the alkyl groups or aryl groups contain from 1 to 10 carbons, and the N-methyl group may be replaced by hydrogen, alkyl of 1 to 10 carbon atoms, benzyl, cyclopropylmethyl group or a substituted or unsubstituted benzoyloxy group. Galantamine mon-alkylcarbamates are particularly useful.Type: ApplicationFiled: March 24, 2015Publication date: June 22, 2017Applicant: SYNAPTEC DEVELOPMENT LLCInventor: Bonnie M. DAVIS
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Publication number: 20150328230Abstract: Analogs of (4aS,6R,8aS)-5,6,9,10,11,12-hexahydro-3-methoxy-11-methyl-4aH-[1]benzofuro[3a,3,2-ef][2]benzazepin-6-ol of the formula: wherein R1 carbamate, carbonate or carboxlate group; R2 is alkoxy group of from one to six carbon atoms, a hydroxy group, hydrogen, an alkanoyloxy group or 2 to 10 carbon atoms, a benzoyloxy or substituted benzoyloxy group, a carbonate group of 1 to 10 carbon atoms or a carbamate group such as a mono alkyl or dialkyl or an aryl carbamate wherein the alkyl groups or aryl groups contain from 1 to 10 carbons; and R3 is hydrogen, alkyl of 1 to 10 carbon atoms, benzyl, cyclopropylmethyl group or a substituted or unsubstituted benzoyloxy group are of use in treating persons meeting criteria for having a risk of developing Alzheimer's type dementia, before symptoms of dementia are observed by reducing the decline of A? amyloid CSF.Type: ApplicationFiled: May 18, 2015Publication date: November 19, 2015Applicant: SYNAPTEC DEVELOPMENT LLCInventor: Bonnie M. DAVIS