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US4128577A
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15-Methyl- and 16-phenoxy-PGF2 α, amides
Assignee: Pharmacia and Upjohn Co
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Filing: 1977-12-12
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Granted: 1978-12-05
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Expires: 1997-12-12
Abstract
Abstract The present invention relates to certain prostaglandin-type amides which are useful as intermediates in preparing corresponding 2-decarboxy-2-aminomethyl prostaglandin analogs. In addition to their use as chemical intermediates, these compounds are further useful for inducing prostaglandin-type physiological responses, especially being regulators of fertility.
Inventors
- 👤 Norman A. Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:23
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/42; A; A61; A61K; A61K31/00; A61K31/16; C07C; C07C405/00; C07C405/0008; C07C405/0041; C07D307/77; C07D307/93; C07D307/935; C07D309/00; C07D309/02; C07D309/08; C07D309/10; C07D309/12; C07F; C07F3/00; C07F3/02; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
15-Methyl-PGF 2 α, amide.
Claim 2
Dependent Claim
4 words
15-Methyl-PGF 2 α, amide.
Claim 3
Dependent Claim
4 words
16-Phenoxy-17,18,19,20-tetranor-PGF 2 α, amide.
Claim 4
Dependent Claim
4 words
16-Phenoxy-17,18,19,20-tetranor-PGF 2 α, amide.
References Cited (Backward Citations)
US3987087A
Cited
US3987085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-04 | 1982-06-05 | 1982-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-04 | 1986-06-05 | 1986-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-04 | 1990-06-05 | 1990-12-05 | $7700.00 | Window Closed / Lapsed |