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US3883593A
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10-Nitro-5h-dibenzo(a,d)cyclohepten-5-ones and selected derivatives
Assignee: EIDP Inc
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Filing: 1974-02-11
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Granted: 1975-05-13
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Expires: 1994-02-11
Abstract
Abstract New compounds with the 5H-dibenzo(a,d)cycloheptyl nucleus, which have a nitro group in the 11-position and oxo(keto) or dichloro groups in the 5-position and optional substituents on benzenoid carbon are useful as fungicides.
Inventors
- 👤 Gilbert H Berezin
- 👤 Jr George Albert Boswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:33
CPC Classifications
A; A01; A01N; A01N45/00; A01N45/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
12 words
A FUNGICIDAL COMPOUND HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
12 words
A FUNGICIDAL COMPOUND HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 3
Dependent Claim
16 words
A compound according to formula A of claim 1 wherein X oxygen, a b 0; 10-nitro-5H-dibenzo(a,d)-cyclohepten-5-one.
Claim 4
Dependent Claim
40 words
A compound according to formula A of claim 1 wherein X oxygen, Y Br, a 0, b 1; 3-bromo-10-nitro-5H-dibenzo(a, d)cyclohepten-5-one. 4. A compound according to formula A of claim 1 wherein X oxygen, Y Br, a 0, b 1; 3-bromo-11-nitro-5H-dibenzo(a,d)cyclohepten-5-one.
Claim 5
Dependent Claim
14 words
A compound according to formula B of claim 1 wherein a b 0; 10-iodo-11-nitro-5H-dibenzo(a,d)cyclohepten-5-one.
Claim 6
Dependent Claim
27 words
The process of reacting a 5H-dibenzo(a,d)-cyclohepten-5-one with nitrogen dioxide and iodine at a temperature of 0*-50*C. in the presence of an acid acceptor and recovering a 10-nitro-5H-dibenzo(a,d)cyclohepten-5-one.
Claim 7
Dependent Claim
27 words
The process of reacting a 5H-dibenzo(a,d)-cyclohepten-5-one with nitrogen dioxide and iodine at a temperature of 0*-50*C. in the presence of an acid acceptor and recovering a 10-nitro-5H-dibenzo(a,d)cyclohepten-5-one.
References Cited (Backward Citations)
US3551498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |