US3296304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of 2, 2-diaryl-nu, nu-disubstituted acetamides
Assignee: Pharmacia and Upjohn Co
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Filing: 1963-12-19
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Granted: 1967-01-03
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 James N Tilley
- 👤 Adnan A R Sayigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:28
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/12; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/54; C07D213/56; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
107 words
A PROCESS FOR PRODUCING A 2,2-DI(AR)-N,N-DISUBSTITUTED ACETAMIDE, WHEREIN AR IS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED ARYL AND ALKYL-, ALKENYL-, ALKOXY-, ALKYLTHIO- AND HALO-SUBSTITUTED ARYL, WHICH COMPRISES REACTING, AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 100*C. TO ABOUT 250*C., A SECONDARY AMINE, A POLYHALO MEMBER SELECTED FROM THE GROUP CONSISTING OF 1,1-DI(AR)2,2,2-TRIHALOETHANES AND 1,1-DI(AR)-2,2-DIHALOETHYLENES WHEREIN AR IS AS DEFINED ABOVE, AND A BASE SELECTED FROM THE GROUP CONSISTING OF QUATERNARY AMMONIUM HYDROXIDES, ALKALI METAL HYDROXIDES, AND ALCOHOLATES OF ALKALI METALS, ALKALINE EARTH METALS, AND ALUMINUM, WHEREIN SAID BASE IS EMPLOYED IN AN AMOUNT OF AT LEAST ONE EQUIVALENT PER HALO ATOM IN SAID POLYHALO MEMBER.
Claim 2
Dependent Claim
107 words
A PROCESS FOR PRODUCING A 2,2-DI(AR)-N,N-DISUBSTITUTED ACETAMIDE, WHEREIN AR IS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED ARYL AND ALKYL-, ALKENYL-, ALKOXY-, ALKYLTHIO- AND HALO-SUBSTITUTED ARYL, WHICH COMPRISES REACTING, AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 100*C. TO ABOUT 250*C., A SECONDARY AMINE, A POLYHALO MEMBER SELECTED FROM THE GROUP CONSISTING OF 1,1-DI(AR)2,2,2-TRIHALOETHANES AND 1,1-DI(AR)-2,2-DIHALOETHYLENES WHEREIN AR IS AS DEFINED ABOVE, AND A BASE SELECTED FROM THE GROUP CONSISTING OF QUATERNARY AMMONIUM HYDROXIDES, ALKALI METAL HYDROXIDES, AND ALCOHOLATES OF ALKALI METALS, ALKALINE EARTH METALS, AND ALUMINUM, WHEREIN SAID BASE IS EMPLOYED IN AN AMOUNT OF AT LEAST ONE EQUIVALENT PER HALO ATOM IN SAID POLYHALO MEMBER.
Claim 3
Dependent Claim
117 words
A PROCESS FOR PRODUCING A 2,2-DI(AR)-N-SUBSTITUTED ACETAMIDE, WHEREIN AR IS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED ARYL AND ALKYL-, ALKENYL, ALKOXY-, ALKYLTHIO- AND HALO-SUBSTITUTED ARYL, WHICH COMPRISES REACTING, AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 100* C. TO ABOUT 250*C., A PRIMARY AMINE, A POLYHALO MEMBER SELECTED FROM THE GROUP CONSISTING OF 1,1-DI(AR)-2,2, 2 - TRIHALOETHANES AND 1,1 - DI(AR) - 2,2 - DIHALOETHYLENES WHEREIN AR IS AS DEFINED ABOVE, AND A BASE SELECTED FROM THE GROUP CONSISTING OF QUATERNARY AMMONIUM HYDROXIDES, ALKALI METAL HYDROXIDES, AND ALCOHOLATES OF ALKALI METALS, ALKALINE EARTH METALS, AND ALUMINUM WHEREIN SAID BASE IS EMPLOYED IN AN AMOUNT OF AT LEAST ONE EQUIVALENT PER HALO ATOM IN SID POLYHALO MEMBER.
Claim 4
Dependent Claim
117 words
A PROCESS FOR PRODUCING A 2,2-DI(AR)-N-SUBSTITUTED ACETAMIDE, WHEREIN AR IS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED ARYL AND ALKYL-, ALKENYL, ALKOXY-, ALKYLTHIO- AND HALO-SUBSTITUTED ARYL, WHICH COMPRISES REACTING, AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 100* C. TO ABOUT 250*C., A PRIMARY AMINE, A POLYHALO MEMBER SELECTED FROM THE GROUP CONSISTING OF 1,1-DI(AR)-2,2, 2 - TRIHALOETHANES AND 1,1 - DI(AR) - 2,2 - DIHALOETHYLENES WHEREIN AR IS AS DEFINED ABOVE, AND A BASE SELECTED FROM THE GROUP CONSISTING OF QUATERNARY AMMONIUM HYDROXIDES, ALKALI METAL HYDROXIDES, AND ALCOHOLATES OF ALKALI METALS, ALKALINE EARTH METALS, AND ALUMINUM WHEREIN SAID BASE IS EMPLOYED IN AN AMOUNT OF AT LEAST ONE EQUIVALENT PER HALO ATOM IN SID POLYHALO MEMBER.
References 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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |