Thiazines
Abstract
Abstract ANTI-INFLAMMATORY AGENTS OF THE FORMULA (B-ALK-N<(-CO-CH(-Z-R)-(Y)N-C(=)-A=A-A=A-C(=)-))-(X)M WHERE BOTH C''S ARE JOINED ALK MAY BE A STRAIGHT OR BRANCHED CARBON CHAIN OF UP TO 6 CARBON ATOMS; AND B MAY BE A BASIC NITROGEN-CONTAINING RADICAL; AND PHARMACEUTICALLY ACCEPTABLE ACID-ADDITION SALTS THEREOF; N OXIDES AND PHARMACEUTICALLY ACCEPTABLE ACID-ADDITION SALTS THEREOF, AND QUATERNARY AMMONIUM SALTS THEREOF. >C(-R'')-OOC-R WHEREIN R'' IS HYDROGEN, VINYL, ALLYL OR R, OR -CO-, -C(-OH)(-R'')- WHEREIN X MAY BE HYDROGEN, HALOGEN, ALKYL, HALOALKYL, HALOALKOXY, HALOALKYLTHIO, ALKOXY, HYDROXY, ALKYLTHIO, NITRO, ALKYLSULFONYL, AMINO, ALKANOYLAMINO OR MONO- OR DIALKYLAMINO WHEREIN ANY OF THE FOREGOING ALKYL OR SUBSTITUTED ALKYL RADICALS CONTAIN UP TO 8 CARBON ATOMS; M MAY BE 0, 1, 2, 3 OR 4; EACH A MAY BE CARBON, BUT ONE A MAY BE NITROGEN IN ANY POSITION PROVIDED N IS 1; Y MAY BE SULFUR, SULFOXIDE, SULFONYL, OR OXYGEN; N MAY BE 0 TO 1; R MAY BE A STRAIGHT OR BRANCHED ALKYL OF UP TO 8-CARBON ATOMS CYCLOALKL OF FROM 3 TO 8 CARBON ATOMS, PHENYL XSUBSTITUTED PHENYL, PYRIDYL, THIENYL, FURYL, NAPHTHYL, ALKYLPHENYL OR ALKENYLPHENYL WHEREIN THE ALKYL OR ALKENYL RADICAL MAY CONTAIN UP TO 4 CARBON ATOMS EITHER STRAIGHT CHAIN OR BRANCHED; Z MAY BE
Inventors
- 👤 J Krapcho
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |