← Back to Patent Explorer
US4053609A Expired / Lapsed US ⏱️ 0.0 years remaining

Penicillins and processes for preparing the same

Assignee: Tanabe Pharma Corp
•
Filing: 1976-08-05
•
Granted: 1977-10-11
•
Expires: 1996-08-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A compound of the formula: ##STR1## wherein R 1 is hydrogen or hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )-CH 2 COR 3 or --COCH 2 -CH(NH 2 )-COR 3 , and R 3 is selected from the group consisting of hydroxy, lower alkylamino, di-lower alkylamino, lower alkoxy and hydroxy-lower alkylamino, or R 3 is amino when R 2 is hydroxy. Several methods of preparing the compound [I] are also disclosed. The compound [I] and a pharmaceutically acceptable salt thereof are useful as antimicrobial agents.

Inventors

  • 👤 Mitsutaka Kawazu
  • 👤 Mitsuyoshi Wagatsuma
  • 👤 Masahiko Seto
  • 👤 Toshikazu Miyagishima
  • 👤 Totaro Yamaguchi
  • 👤 Satoshi Ohshima

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:53
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06; C07C271/08; C07C271/10; C07C271/22; C07D; C07D207/00; C07D207/46; C07D499/00

Claims Analysis

Total Claims: 51
Claim 1
Independent Claim 71 words
A compound of the formula: ##STR13## wherein R 1 is hydrogen or hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )--CH 2 COR 3 or --COCH 2 -CH(NH 2 )-COR 3 , and R 3 is selected from the group consisting of hydroxy, lower alkylamino, di-lower alkylamino, lower alkoxy and hydroxy-lower alkylamino, or R 3 is amino when R 1 is hydroxy, or a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim 71 words
A compound of the formula: ##STR13## wherein R 1 is hydrogen or hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )--CH 2 COR 3 or --COCH 2 -CH(NH 2 )-COR 3 , and R 3 is selected from the group consisting of hydroxy, lower alkylamino, di-lower alkylamino, lower alkoxy and hydroxy-lower alkylamino, or R 3 is amino when R 1 is hydroxy, or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim 56 words
The compound claimed in claim 1, in which R 1 is hydrogen or hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )--CH 2 COR 3 or --COCH 2 --CH(NH 2 )-COR 3 , and R 3 is selected from the group consisting of hydroxy, lower alkylamino, di-lower alkylamino, lower alkoxy and hydroxy-lower alkylamino.
Claim 4
Dependent Claim 42 words
The compound claimed in claim 1, in which R 1 is hydrogen or hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )--CH 2 COR 3 , and R 3 is lower alkylamino, di-lower alkylamino, lower alkoxy or hydroxy-lower alkylamino.
Claim 5
Dependent Claim 36 words
The compound claimed in claim 1, in which R 1 is hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )-CH 2 COR 3 , and R 3 is lower alkylamino or lower alkoxy.
Claim 6
Dependent Claim 39 words
The compound claimed in claim 1, in which R 1 is hydrogen, R 2 is a group of the formula:--CO-CH(NH 2 )-CH 2 COR 3 , and R 3 is lower alkylamino, di-lower alkylamino, lower alkoxy or hydroxy-lower alkylamino.
Claim 7
Dependent Claim 37 words
The compound claimed in claim 1, in which R 1 is hydrogen, R 2 is a group of the formula: --COCH 2 -CH(NH 2 )-COR 3 , and R 3 is hydroxy, lower alkylamino or di-lower alkylamino.
Claim 8
Dependent Claim 35 words
The compound claimed in claim 1, in which R 1 is hydrogen or hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )-CH 2 COR 3 , and R 3 is lower alkylamino.
Claim 9
Dependent Claim 33 words
The compound claimed in claim 1, in which R 1 is hydroxy, R 2 is a group of the formula: --CO-CH(NH 2 )-CH 2 COR 3 , and R 3 is lower alkylamino.
Claim 10
Dependent Claim 12 words
The compound claimed in claim 4, in which R 3 is methylamino.
Claim 11
Dependent Claim 12 words
The compound claimed in claim 4, in which R 3 is isopropylamino.
Claim 12
Dependent Claim 12 words
The compound claimed in claim 4, in which R 3 is butylamino.
Claim 13
Dependent Claim 12 words
The compound claimed in claim 4, in which R 3 is n-hexylamino.
Claim 14
Dependent Claim 11 words
The compound in claim 4, in which R 3 is methoxy.
Claim 15
Dependent Claim 12 words
The compound claimed in claim 5, in which R 3 is methylamino.
Claim 16
Dependent Claim 12 words
The compound claimed in claim 5, in which R 3 is ethylamino.
Claim 17
Dependent Claim 11 words
The compound claimed in claim 5, in which R 3 dimethylamino.
Claim 18
Dependent Claim 12 words
The compound claimed in claim 5, in which R 3 is methoxy.
Claim 19
Dependent Claim 12 words
The compound claimed in claim 5, in which R 3 is β-hydroxymethylamino.
Claim 20
Dependent Claim 12 words
The compound claimed in claim 5, in which R 3 is n-butylamino.
Claim 21
Dependent Claim 12 words
The compound claimed in claim 6, in which R 3 is hydroxy.
Claim 22
Dependent Claim 12 words
The compound claimed in claim 6, in which R 3 is ethylamino.
Claim 23
Dependent Claim 12 words
The compound claimed in claim 6, in which R 3 is n-propylamino.
Claim 24
Dependent Claim 12 words
The compound claimed in claim 6, in which R 3 is dimethylamino.
Claim 25
Dependent Claim 8 words
6[-D-2-(D-2-amino-3-N-methylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 26
Dependent Claim 8 words
6[-D-2-(D-2-amino-3-N-methylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 27
Dependent Claim 8 words
6-[D-2-(D-2-amino-3-N-isopropylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 28
Dependent Claim 8 words
6-[D-2-(D-2-amino-3-N-isopropylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 29
Dependent Claim 8 words
6-[D-2-(D-2-amino-3-N-n-butylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 30
Dependent Claim 8 words
6-[D-2-(D-2-amino-3-N-n-butylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 31
Dependent Claim 8 words
6-[D-2-(D-2-amino-3-N-n-hexylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 32
Dependent Claim 8 words
6-[D-2-(D-2-amino-3-N-n-hexylcarbamoyl-propionamido)-2-p-hydroxyphenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 33
Dependent Claim 8 words
6-[D-2-(DL-2-amino-3-N-methylcarbamoyl-propionamido)-2-phenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 34
Dependent Claim 8 words
6-[D-2-(DL-2-amino-3-N-methylcarbamoyl-propionamido)-2-phenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 35
Dependent Claim 8 words
6-[D-2-(DL-2-amino-3-N-n-butylcarbamoyl-propionamido)-2-phenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 36
Dependent Claim 8 words
6-[D-2-(DL-2-amino-3-N-n-butylcarbamoyl-propionamido)-2-phenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 37
Dependent Claim 8 words
6-[D-2-(DL-3-amino-3-hydroxycarbonyl-propionamido)-2-phenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 38
Dependent Claim 8 words
6-[D-2-(DL-3-amino-3-hydroxycarbonyl-propionamido)-2-phenylacetamido]penicillanic acid or a pharmaceutically acceptable salt thereof.
Claim 39
Dependent Claim 23 words
A pharmaceutical composition which is essentially consisting of an antimicrobially effective amount of the compound of claim 1 and a pharmaceutically acceptable carrier.
Claim 40
Dependent Claim 23 words
A pharmaceutical composition which is essentially consisting of an antimicrobially effective amount of the compound of claim 3 and a pharmaceutically acceptable carrier.
Claim 41
Dependent Claim 23 words
A pharmaceutical composition which is essentially consisting of an antimicrobially effective amount of the compound of claim 4 and a pharmaceutically acceptable carrier.
Claim 42
Dependent Claim 23 words
A pharmaceutical composition which is essentially consisting of an antimicrobially effective amount of the compound of claim 5 and a pharmaceutically acceptable carrier.
Claim 43
Dependent Claim 23 words
A pharmaceutical composition which is essentially consisting of an antimicrobially effective amount of the compound of claim 6 and a pharmaceutically acceptable carrier.
Claim 44
Dependent Claim 23 words
A pharmaceutical composition which is essentially consisting of an antimicrobially effective amount of the compound of claim 7 and a pharmaceutically acceptable carrier.
Claim 45
Dependent Claim 23 words
A pharmaceutical composition which is essentially consisting of an antimicrobially effective amount of the compound of claim 8 and a pharmaceutically acceptable carrier.
Claim 46
Dependent Claim 25 words
The composition of claim 31 wherein said effective amount is that which is necessary to produce an antimicrobial effect by administration to a warm-blooded animal.
Claim 47
Dependent Claim 25 words
The composition of claim 36 wherein said effective amount is that which is necessary to produce an antimicrobial effect by administration to a warm-blooded animal.
Claim 48
Dependent Claim 25 words
The composition of claim 37 wherein said effective amount is that which is necessary to produce an antimicrobial effect by administration to a warm-blooded animal.
Claim 49
Dependent Claim 16 words
The composition of claim 31 wherein said effective amount is 0.25 to 20 grams/adult human body/day.
Claim 50
Dependent Claim 16 words
The composition of claim 36 wherein said effective amount is 0.25 to 20 grams/adult human body/day.
Claim 51
Dependent Claim 16 words
The composition of claim 37 wherein said effective amount is 0.25 to 20 grams/adult human body/day.

References Cited (Backward Citations)

US3340252A Cited
US3325477A Cited
US3923788A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-10-10 1981-04-11 1981-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-10-10 1985-04-11 1985-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-10-10 1989-04-11 1989-10-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag