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US3840556A Expired / Lapsed US ⏱️ 0.0 years remaining

Penicillin conversion by halogen electrophiles and anti-bacterials derived thereby

Assignee: Eli Lilly and Co
•
Filing: 1972-10-10
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Granted: 1974-10-08
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Expires: 1992-10-10
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Abstract

Abstract 1. A COMPOUND HAVING THE FORMULA 2-(R3-OOC-),3,3-DI(H3C-),4-Y,5-X,6-(R1-N(-R2)-)-PENAM WHEREIN R1 IS AN ACYL GROUP SELECTED FROM THE GROUP CONSISTING OF A GROUP OF THE FORMULA Q-PHENYL-(CH2)N-CO- WHEREIN Q IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ONE OR MORE SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF C1 TO C3 ALKYL, C1 TO C3 ALKOXY, NITRO, HALOGEN, AND TRIFLUOROMETHYL AND N IS ZERO OR AN INTEGER FROM 1 TO 5; A GROUP OF THE FORMULA Q-PHENYL-O-(CH2)N-CO- WHEREIN Q AND N ARE AS DEFINED ABOVE; A GROUP OF THE FORMULA Q-PHENYL-O-C(-CH3)2-CO- WHEREIN Q IS AS DEFINED ABOVE; AND, A GROUP OF THE FORMULA R4-CO- WHEREIN R4 IS HYDROGEN OR C1 TO C6 ALKYL; R2 IS HYDROGEN; OR, R1 AND R2, TOGETHER WITH THE NITROGEN ATOM TO WHICH THEY ARE BONDED DEFINE AN IMIDO GROUP SELECTED FROM THE GROUP CONSISTING OF PHTHALIMIDO AND SUCCINIMIDO; R3 IS SELECTED FROM THE GROUP CONSISTING OF C1-C4 ALKYYL, TRICHLOROETHYL, BENZYL, P-NITROBENXYL, P-METHOXYBENZYL, BENZHYDRYL, PHTHALIMIDOMETHYL AND PHENACYL; X IS SELECTED FROM THE GROUP CONSISTING OF CHLORO, AND C2-C6 ALKANOYLOXY; AND Y IS SELECTED FROM THE GROUP CONSISTING OF CHLORO, BROMO, N-BENZOTRIAZOLYL, AND SUCCINIMIDO.

Inventors

  • 👤 S Kukolja

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:05
CPC Classifications
C; C07; C07D; C07D499/00; C07D205/00; C07D205/02; C07D205/06; C07D205/08; C07D205/085; C07D205/09; C07D205/095

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND HAVING THE FORMULA

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) 1977-10-07 1978-04-08 1978-10-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-07 1982-04-08 1982-10-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-07 1986-04-08 1986-10-08 $7700.00 Window Closed / Lapsed

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