US3931240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzofuranyloxy and benzthienyloxy and certain 2,3-dihydro benzofuranyloxy and benzothienyloxy amidoximes
Assignee: Sanofi SA
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Filing: 1974-12-06
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Granted: 1976-01-06
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Expires: 1994-12-06
Abstract
Abstract Amidoxime derivatives corresponding to the general formula: NOH R1 PARALLEL ¦ H2N-C-(CH2)n-C-O-R ¦ R2 and pharmaceutically acceptable acid addition salts thereof, wherein R1 and R2, which are the same or different, represent hydrogen or a straight- chain lower alkyl radical containing from 1 to 3 carbon atoms, n is 0, 1 or 2 and R is selected from the groups consisting of:
Inventors
- 👤 Fernand Binon
- 👤 Pierre Luc Eymard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:09
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/78; C07D307/79; A; A61; A61P; A61P25/00; A61P25/24; A61P25/26; C07C; C07C259/00; C07C259/12; C07C259/14; C07D307/86; C07D319/00; C07D319/10; C07D319/14; C07D319/16; C07D319/18; C07D333/00; C07D333/50; C07D333/52; C07D333/54
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
151 words
An amidoxime derivative corresponding to the general formula: ##EQU8## or a pharmaceutically acceptable acid addition salt thereof, wherein R 1 and R 2 , which are the same or different, represent hydrogen or a straight-chain lower alkyl radical containing form 1 to 3 carbon atoms, n is 0, 1 or 2 and R is selected from the groups consisting of ##SPC2## wherein X represents oxygen or sulphur, Y...Z represents HC-CH or C=C, R 3 and R 4 , which are the same or different, represent hydrogen or a branched- or straight-chain lower alkyl radical containing from 1 to 3 carbon atoms with the provisos that: a. when n is 1, R 1 and R 2 are each hydrogen and R is selected from the groups A and B. b. when n is 2, R 1 and R 2 are each hydrogen and R is selected from the groups A and B.
Claim 2
Dependent Claim
151 words
An amidoxime derivative corresponding to the general formula: ##EQU8## or a pharmaceutically acceptable acid addition salt thereof, wherein R 1 and R 2 , which are the same or different, represent hydrogen or a straight-chain lower alkyl radical containing form 1 to 3 carbon atoms, n is 0, 1 or 2 and R is selected from the groups consisting of ##SPC2## wherein X represents oxygen or sulphur, Y...Z represents HC-CH or C=C, R 3 and R 4 , which are the same or different, represent hydrogen or a branched- or straight-chain lower alkyl radical containing from 1 to 3 carbon atoms with the provisos that: a. when n is 1, R 1 and R 2 are each hydrogen and R is selected from the groups A and B. b. when n is 2, R 1 and R 2 are each hydrogen and R is selected from the groups A and B.
Claim 3
Dependent Claim
9 words
2-(7-Benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
Claim 4
Dependent Claim
9 words
2-(7-Benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
Claim 5
Dependent Claim
9 words
2-(4-Benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
Claim 6
Dependent Claim
9 words
2-(4-Benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
Claim 7
Dependent Claim
9 words
2-(2,3-Dihydro-7-benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
Claim 8
Dependent Claim
9 words
2-(2,3-Dihydro-7-benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
Claim 9
Dependent Claim
9 words
3-(7-Benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
Claim 10
Dependent Claim
9 words
3-(7-Benzofuryloxy)-propionamidoxime or a pharmaceutically acceptable acid addition salt thereof.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-05 | 1979-07-07 | 1980-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-05 | 1983-07-07 | 1984-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-05 | 1987-07-07 | 1988-01-06 | $7700.00 | Window Closed / Lapsed |