US4070361A
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Mercaptoalkylsulfonyl proline and pipecolic acid and esters thereof
Assignee: ER Squibb and Sons LLC
•
Filing: 1977-04-21
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Granted: 1978-01-24
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Expires: 1997-04-21
Abstract
Abstract Mercaptoalkylsulfonyl proline derivatives and related compounds which have the general formula ##STR1## are useful as hypotensive agents.
Inventors
- 👤 Edward William Petrillo, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/46; C07D207/48; A; A61; A61P; A61P9/00; A61P9/12; C07D211/00; C07D211/92; C07D211/96
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
31 words
A compound of the formula ##STR6## wherein R and R 2 each is hydrogen or lower alkyl; R 1 is hydrogen, lower alkanoyl or benzoyl; and m is 2 or 3.
Claim 2
Dependent Claim
31 words
A compound of the formula ##STR6## wherein R and R 2 each is hydrogen or lower alkyl; R 1 is hydrogen, lower alkanoyl or benzoyl; and m is 2 or 3.
Claim 3
Dependent Claim
10 words
A compound as in claim 1 wherein R is hydrogen.
Claim 4
Dependent Claim
10 words
A compound as in claim 1 wherein m is 2.
Claim 5
Dependent Claim
10 words
A compound as in claim 1 wherein m is 3.
Claim 6
Dependent Claim
14 words
A compound as in claim 1 wherein R and R 2 each is hydrogen.
Claim 7
Dependent Claim
25 words
A compound as in claim 1 wherein m is 2, R and R 2 each is hydrogen and R 1 is hydrogen or lower alkanoyl.
Claim 8
Dependent Claim
13 words
A compound as in claim 6 wherein the lower alkanoyl group is acetyl.
Claim 9
Dependent Claim
8 words
The L-form of the compound of claim 6.
Claim 10
Dependent Claim
11 words
A compound as in claim 6 wherein R 1 is hydrogen.
Claim 11
Dependent Claim
8 words
The L-form of the compound of claim 9.
Claim 12
Dependent Claim
22 words
A compound as in claim 1 wherein R and R 2 each is hydrogen, R 1 is benzoyl and m is 2.
Claim 13
Dependent Claim
20 words
A compound as in claim 1 wherein R, R 1 and R 2 each is hydrogen and m is 3.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-01-23 | 1981-07-25 | 1982-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-23 | 1985-07-25 | 1986-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-23 | 1989-07-25 | 1990-01-24 | $7700.00 | Window Closed / Lapsed |