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US3860609A Expired / Lapsed US ⏱️ 0.0 years remaining

3-aminoalkyloxyindoles

Assignee: Novo Terapeutisk Laboratorium AS
•
Filing: 1972-11-10
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Granted: 1975-01-14
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Expires: 1992-11-10
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Abstract

Abstract This invention is concerned with novel and pharmaceutically active indole derivatives having the structure: AND THE SALTS THEREOF WITH PHYSIOLOGICALLY ACCEPTABLE ACIDS, IN WHICH EACH OF X and Y is selected from the group consisting of hydrogen, hydroxy, lower alkyl having 1-3 carbon atoms and lower alkoxy having 1-3 carbon atoms, R1 is selected from the group consisting of hydrogen, lower alkyl having 1-4 carbon atoms and benzyl, R2 is selected from the group consisting of hydrogen, lower alkyl having 1-4 carbon atoms, benzyl and phenyl, R3 is selected from the group consisting of hydrogen, lower alkyl having 1-8 carbon atoms, cycloalkyl having 5 or 6 carbon atoms, benzyl and 2-phenylethyl, and A is a straight or branched alkylene chain containing from 2 to 4 carbon atoms.

Inventors

  • 👤 Behrend Friedrich Lundt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 15:50
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/32; C07D209/36

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 9 words
The hydrochloride of a compound according to claim 1.
Claim 2
Dependent Claim 9 words
The oxalate of a derivative according to claim 1.
Claim 3
Dependent Claim 8 words
A compound according to claim 1, namely, 3-(2-isopropylaminoethoxy)-indole-hydrochloride.
Claim 4
Dependent Claim 8 words
A compound according to claim 1, namely, 3-(2-isopropylaminoethoxy)-4-methoxy-indole-hydrochloride.
Claim 5
Dependent Claim 8 words
A compound according to claim 1, namely, 1-benzyl-3-(2-isopropylaminoethoxy)-indole-hydrochloride.
Claim 6
Dependent Claim 8 words
A compound according to claim 1, namely, 1-benzyl-3-(2-isopropylaminoethoxy)-indole-hydrochloride.
Claim 7
Dependent Claim 9 words
A compound according to claim 1, namely, 1-benzyl-3-(2-isopropylaminoethoxy)-2-phenyl-indole hydrochloride.
Claim 8
Dependent Claim 8 words
A compound according to claim 1, namely, 1-benzyl-3-(2-isopropylaminoethoxy)-4-methoxy-indolehydrochloride.
Claim 9
Dependent Claim 8 words
A compound according to claim 1, namely, 1-benzyl-3-(2-isopropylaminoethoxy)-5-methoxy-indolehydrochloride.

References Cited (Backward Citations)

US3703524A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-01-13 1978-07-15 1979-01-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-01-13 1982-07-15 1983-01-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-01-13 1986-07-15 1987-01-14 $7700.00 Window Closed / Lapsed

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