US4697011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-fluoro-N-perfluoromethyl sulfonamides
Assignee: Research Corp
•
Filing: 1986-07-18
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Granted: 1987-09-29
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Expires: 2006-07-18
Abstract
Abstract N-fluoro-N-perfluoromethyl sulfonamide compounds are provided as fluorinating agents for the fluorination of organic compounds by either the direct electrophilic fluorination of organic compounds or by the fluorination of organic compound carbanions.
Inventors
- 👤 Darryl D. DesMarteau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:54
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07B; C07B39/00; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/12; C07C37/00; C07C37/62; C07C41/00; C07C41/01; C07C41/18; C07C41/22; C07D285/15; C07J; C07J1/00; C07J1/0051; C07J1/0059
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
117 words
##STR11## wherein R is a hydrocarbon radical which is substituted or is unsubstituted and which is a C 1-30 branched or straight chain alkyl, C 3-30 cycloalkyl, or aryl (C 1-10 alkyl) or aryl group wherein aryl and aryl are C 6-14 arylene, R f is a perfluorinated radical which is C 2-30 branched or straight chain alkyl, C 3-30 cycloalkyl, or aryl (C 1-10 alkyl) or aryl group wherein aryl and aryl are C 6-14 arylene, R' f is a perfluorinated radical which is (CF 2 ) n' wherein n'is 1 to 4, a is 0 or 1 and m is 1 or 2, n is 0 or 1, p is 0 or 1 and m+n+p=2.
Claim 2
Dependent Claim
117 words
##STR11## wherein R is a hydrocarbon radical which is substituted or is unsubstituted and which is a C 1-30 branched or straight chain alkyl, C 3-30 cycloalkyl, or aryl (C 1-10 alkyl) or aryl group wherein aryl and aryl are C 6-14 arylene, R f is a perfluorinated radical which is C 2-30 branched or straight chain alkyl, C 3-30 cycloalkyl, or aryl (C 1-10 alkyl) or aryl group wherein aryl and aryl are C 6-14 arylene, R' f is a perfluorinated radical which is (CF 2 ) n' wherein n'is 1 to 4, a is 0 or 1 and m is 1 or 2, n is 0 or 1, p is 0 or 1 and m+n+p=2.
Claim 3
Dependent Claim
10 words
A compound as in claim 1 which has formula I.
Claim 4
Dependent Claim
10 words
A compound as in claim 1 which has formula II.
Claim 5
Dependent Claim
10 words
A compound as in claim 1 which has formula III.
Claim 6
Dependent Claim
10 words
A compound as in claim 1 which has formula IV.
Claim 7
Dependent Claim
19 words
A compound as in claim 2 which has the formula (CF 3 SO 2 ) m NF(R) n .
Claim 8
Dependent Claim
17 words
A compound as in claim 6 which has the formula (CF 3 SO 2 ) 2 NF).
Claim 9
Dependent Claim
15 words
A compound as in claim 6 which has the formula (CF 3 SO 2 )N(F)R.
Claim 10
Dependent Claim
15 words
A compound as in claim 8 in which R is a C 1-30 alkyl group.
Claim 11
Dependent Claim
12 words
A compound as in claim 9 which has the formula (CF.sub.3 SO.sub.2)N(F)(CH.sub.3).
Claim 12
Dependent Claim
13 words
A compound as in claim 2 which has the formula (CF.sub.3 SO.sub.2)NF(R.sub.f SO.sub.2).
Claim 13
Dependent Claim
16 words
A compound as in claim 11 in which R f is a C 1-30 alkyl group.
Claim 14
Dependent Claim
16 words
A compound as in claim 12 in which R f is C 4 F 9 .
Claim 15
Dependent Claim
16 words
A compound as in claim 12 in which R f is C 6 F 13 .
Claim 16
Dependent Claim
11 words
A compound as in claim 5 in which n' is 2.
Claim 17
Dependent Claim
11 words
A compound as in claim 5 in which n' 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) | 1990-09-28 | 1991-03-30 | 1991-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-09-28 | 1995-03-30 | 1995-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-09-28 | 1999-03-30 | 1999-09-29 | $7700.00 | Window Closed / Lapsed |