US4094994A
Expired / Lapsed
US
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Novel di-(3'-hydroxyphenyl)-alkane compounds, process of preparation and their use in medicine
Assignee: SCHONENBERGER
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Filing: 1977-05-03
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Granted: 1978-06-13
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Expires: 1997-05-03
Abstract
Abstract Compounds of di-(3'-hydroxyphenyl)-alkanes and their methyl ethers, of the formula ##STR1## wherein R is alkyl and R' is H or methyl, have activity against hormone-dependent breast carcinoma.
Inventors
- 👤 Helmut Schonenberger
- 👤 Gerhard Kranzfelder
- 👤 Helga Schmitt-Wallenborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:45
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07C43/205; C07C43/2055; C07C37/00; C07C37/01; C07C37/055; C07C39/00; C07C39/12; C07C39/15; C07C39/16; C07C41/00; C07C41/01; C07C41/18; C07C41/30
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
27 words
A di-(3'-hydroxyphenyl)-alkane compound of the general formula (1) ##STR6## wherein R is a straight or branched alkyl of 1-6 carbon atoms and R' is hydrogen or methyl.
Claim 2
Dependent Claim
27 words
A di-(3'-hydroxyphenyl)-alkane compound of the general formula (1) ##STR6## wherein R is a straight or branched alkyl of 1-6 carbon atoms and R' is hydrogen or methyl.
Claim 3
Dependent Claim
6 words
3,4-di(3'-hydroxyphenyl)-hexane, in accordance with claim 1.
Claim 4
Dependent Claim
6 words
2,3-di(3'-hydroxyphenyl)-butane, in accordance with claim 1.
Claim 5
Dependent Claim
6 words
4,5-di-(3'-hydroxyphenyl)-octane, in accordance with claim 1.
Claim 6
Dependent Claim
85 words
A process of preparing the compound of claim 1, comprising reacting a compound of the formula (2) ##STR7## wherein R is a straight or branched alkyl of 1-6 carbon atoms and X is chlorine or bromine, with an alkyl magnesium halide of the general formula (3) R -- Mg -- X (3) (3) wherein R is a lower alkyl of 1-3 carbon atoms and X is chlorine, bromine or iodine, in the presence of waterfree cobaltous - (II) - or nickelous - (II) - chloride.
Claim 7
Dependent Claim
18 words
A process in accordance with claim 5 wherein the obtained dimerization product is then subjected to ether splitting.
Claim 8
Dependent Claim
24 words
A pharmaceutical composition for treatment of breast carcinoma comprising a compound in accordance with claim 1 in a breast-carcinoma-growth-inhibiting quantity and a pharmaceutical carrier.
Claim 9
Dependent Claim
17 words
A composition as in claim 7, in single dose form and comprising 10-300 mg of said compound.
Claim 10
Dependent Claim
27 words
A method for treating breast carcinoma in a mammal comprising orally, parenterally, or subcutaneously administering to said mammal a breast-carcinoma-growth-inhibiting amount of the compound of claim 1.
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) | 1981-06-12 | 1981-12-12 | 1982-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-12 | 1985-12-12 | 1986-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-12 | 1989-12-12 | 1990-06-13 | $7700.00 | Window Closed / Lapsed |