US3966783A
Expired / Lapsed
US
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Compounds
Assignee: Fisons Ltd
•
Filing: 1974-11-11
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Granted: 1976-06-29
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Expires: 1994-11-11
Abstract
Abstract There are described compounds of formula I, ##SPC1## in which X is a saturated hydrocarbon group containing from 2 to 10 carbon atoms inclusive, and R is alkyl, phenyl, or phenyl substituted by one or more halogen or alkyl groups. There are also described processes for making the compounds and haematinic compositions containing them.
Inventors
- 👤 John Louis Suschitzky
- 👤 David Rutherford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:55
CPC Classifications
C; C07; C07F; C07F17/00; C07F17/02; C07C; C07C51/00; C07C51/58; C07C51/60; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
40 words
A compound of formula I, ##SPC7## in which X is a bivalent saturated hydrocarbon group containing from 2 to 10 carbon atoms inclusive, and R is C 1 to C 6 alkyl, phenyl, or phenyl substituted by one or more
Claim 2
Dependent Claim
40 words
A compound of formula I, ##SPC7## in which X is a bivalent saturated hydrocarbon group containing from 2 to 10 carbon atoms inclusive, and R is C 1 to C 6 alkyl, phenyl, or phenyl substituted by one or more
Claim 3
Dependent Claim
15 words
A compound according to claim 1, wherein X is a group --(CH 2 ) n
Claim 4
Dependent Claim
13 words
A compound according to claim 1 wherein X is a branched or cyclic
Claim 5
Dependent Claim
13 words
A compound according to claim 1 wherein R is phenyl mono- or tri-
Claim 6
Dependent Claim
12 words
A compound according to claim 4, wherein the halogen is chlorine or
Claim 7
Dependent Claim
22 words
A compounding according to claim 1, which is 1-Ferrocenyl-6-penylhexa-1,6-dione; 5-(4-Chlorobenzoyl)pentanoylferrocene; 2-Methyl-6-benzoylhexanoylferrocene; 1-Mesitoyl-2-ferrocenoylcyclobutane; 4-Benzoylbutyrylferrocene; 7,7-Dimethyl-6-oxooctanoylferrocene; Mesitoylbutyrylferrocene; 7-Oxooctanoylferrocene; 7-Oxo-7-phenylheptanoyl ferrocene; 4-Oxopentanoyl ferrocene; 6-Oxo-heptanoylferrocene; or
Claim 8
Dependent Claim
28 words
A compound of formula IV, ##SPC8## in which R is C 1 to C 6 alkyl, phenyl, or phenyl substituted by one or more halogen or alkyl groups.
Claim 9
Dependent Claim
28 words
A compound of formula IV, ##SPC8## in which R is C 1 to C 6 alkyl, phenyl, or phenyl substituted by one or more halogen or alkyl groups.
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) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |