Benzalacetone or acetophenone amidinohydrazone derivatives and the production thereof
Abstract
Abstract IN WHICH R1 AND R2 ARE EACH A HYDROGEN ATOM OR AN ALKYL GROUP OF 1-12 CARBON ATOMS, R3 IS A HYDROGEN ATOM OR A METHYL GROUP AND R4 IS A HYDROGEN ATOM OR A NITRO, HYDROXYL OR AN ALKOXYL GROUP OF 1-16 CARBON ATOMS, R5 IS A HYDROGEN ATOM, A NITRO OR AN ALKYL GROUP OF 1-16 CARBON ATOMS; AND Z IS AN AMINO, N,N-TETRAMETHYLENEAMINO, N,N-PENTAMETHYLENEAMINO OR N,N-ANHYDROBIS-(2-HYDROXYETHYL)-AMINO GROUP ARE PRODUCED AS NEW COMPOUNDS WHICH ARE USEFUL AS ANTI-VIRAL AGENT PARTICULARLY EFFECTIVE AGAINST INFLUENZA VIRUSES. C(-R3)-, OR R5-C6H4- (4-(R2-O-),3-(R1-O-)PHENYL)-CH=CH-, (4-R4-PHENYL)-CH= WHEREIN Y IS A GROUP Y-C(-CH3)=N-NH-C(-Z)=NH A BENZALACETONE OR ACETOPHENONE AMIDINOHYDRAZONE DERIVATIVE OF THE GENERAL FORMULA:
Inventors
- 👤 H Toku
- 👤 B Nomiya
- 👤 T Nishimura
- 👤 S Yoshii
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |