US3960840A
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Fluorescent derivatives of adenine-containing compounds
Assignee: University of Illinois Foundation
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Filing: 1972-12-29
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Granted: 1976-06-01
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Expires: 1992-12-29
Abstract
Abstract Fluorescent analogs of biologically active coenzymes are made by reaction of certain adenine-containing coenzymes with acetaldehyde. The reaction products retain a substantial portion of their biologic activity and are fluorescent in the visible range under ultraviolet illumination.
Inventors
- 👤 John A. Secrist, III
- 👤 Jorge R. Barrio
- 👤 Nelson J. Leonard
- 👤 Gregorio Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:56
CPC Classifications
C; C07; C07H; C07H21/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
64 words
A biologically active coenzyme which is fluorescent within the visible spectrum, said coenzyme being selected from the group consisting of: A. compounds having the formula ##SPC4## wherein R has any of the following formulas: ##SPC5## ##SPC6## B. anhydrides of A(3) above with nicotinamide mononucleotide or flavin mononucleotide, and C. salts of any of the compounds of Groups A(2)-A(5) or (B) above with inorganic bases.
Claim 2
Dependent Claim
64 words
A biologically active coenzyme which is fluorescent within the visible spectrum, said coenzyme being selected from the group consisting of: A. compounds having the formula ##SPC4## wherein R has any of the following formulas: ##SPC5## ##SPC6## B. anhydrides of A(3) above with nicotinamide mononucleotide or flavin mononucleotide, and C. salts of any of the compounds of Groups A(2)-A(5) or (B) above with inorganic bases.
Claim 3
Dependent Claim
4 words
1,N 6 -ethenoadenosine 5'-monophosphate.
Claim 4
Dependent Claim
4 words
1,N 6 -ethenoadenosine 5'-monophosphate.
Claim 5
Dependent Claim
4 words
1,N 6 -ethenoadenosine 3'-monophosphate.
Claim 6
Dependent Claim
4 words
1,N 6 -ethenoadenosine 3'-monophosphate.
Claim 7
Dependent Claim
4 words
1,N 6 -ethenoadenosine 5'-diphosphate.
Claim 8
Dependent Claim
4 words
1,N 6 -ethenoadenosine 5'-diphosphate.
Claim 9
Dependent Claim
4 words
1,N 6 -ethenoadenosine 5'-triphosphate.
Claim 10
Dependent Claim
4 words
1,N 6 -ethenoadenosine 5'-triphosphate.
Claim 11
Dependent Claim
3 words
1,N 6 -ethenoarabinosyladenine.
Claim 12
Dependent Claim
3 words
1,N 6 -ethenoarabinosyladenine.
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) | 1979-06-01 | 1979-12-01 | 1980-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-01 | 1983-12-01 | 1984-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-01 | 1987-12-01 | 1988-06-01 | $7700.00 | Window Closed / Lapsed |