Claims
- 1. A penicillin of formula (I): ##SPC41##
- wherein
- R is phenyl, hydroxyphenyl, halophenyl, nitrophenyl, alkoxyphenyl having 1-3 carbon atoms in the alkoxy part, aminophenyl, 2- or 3-thienyl, cycloalkyl having 3-7 carbon atoms in the cyclo part, or alkyl having 1-4 carbon atoms;
- R.sup.1 is phenyl, benzyl, 3-hydroxyphenyl, 4-hydroxyphenyl, 4-nitrophenyl, 4-chlorophenyl, 4-fluorophenyl, 4-methoxyphenyl, 4-aminophenyl, phenoxy or benzyloxy;
- R.sup.2 is ##EQU14## in which R.sup.5 is amino, mono- or di-alkylamino having 1-4 carbon atoms in the alkyl part, cyclohexylamino, hydrogen, alkyl of 1-4 carbon atoms or phenyl, and R.sup.6 is amino, mono- or di-alkylamino having 1-4 carbon atoms in the alkyl part or cyclohexylamino;
- R.sup.3 is hydrogen or alkyl or 1-3 carbon atoms; or a pharmaceutically acceptable salt or a pharmaceutically acceptable hydroylzable ester which converts to the free acid form in vivo.
- 2. A penicillin of claim 1 wherein the carbon atom attached to R is in the D-configuration.
- 3. A penicillin of claim 1 wherein the carbon atom attached to R.sup.2 is in the D-configuration.
- 4. A penicillin of claim 1 wherein R is phenyl, 4-hydroxyphenyl or 3-thienyl.
- 5. A penicillin of claim 1 wherein R.sup.3 is hydrogen.
- 6. A penicillin of claim 1 wherein, when R.sup.2 is (II), R.sup.5 is amino or hydrogen or, when R.sup.2 is (III), R.sup.6 is amino.
- 7. A penicillin of claim 1 which is 6(D,.alpha.-[D,.alpha.-ureido-.beta.-phenylpropionamido]-phenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,.alpha.-ureido-.beta.-phenylpropionamido]-p-hydroxyphenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,.alpha.-ureido-.beta.-phenylpropionamido]-thien-3-yl-acetamido) penicillanic acid;
- 6(D,.alpha.-[D,L,.alpha.-formamido-.beta.-phenylpropionamido]-phenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,.alpha.-guanidino-.beta.-phenylpropionamido]-phenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,L,.alpha.-ureido-.beta.-p-fluorophenylpropionamido]-phenylacetamido-penicillanic acid;
- 6(D,.alpha.-[D,L,.alpha.-ureido-.beta.-p-fluorophenylpropionamido]-p-hydroxyphenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,L,.alpha.-ureido-.beta.-p-chlorophenylpropionamido]-phenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,L,.alpha.-ureido-p-chlorophenylpropionamido]-p-hydroxyphenylacetamido) penicillanic acid;
- 6(D,.alpha.-[[D,L,.alpha.-ureido-p-nitrophenylpropionamido]-phenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,L,.alpha.-ureido-p-nitrophenylpropionamido]-p-hydroxyphenylacetamido) penicillanic acid;
- 6(D,.alpha.-[D,L,.alpha.-ureido-p-hydroxyphenylpropionamido]-p-hydroxyphenylpropionamido]-p-hydroxyphenylacetamido) penicillanic acid.
- 8. A penicillin of claim 1 wherein the ester is phthalidyl, 5,6-dimethoxyphthalidyl, pivaloyloxymethyl or acetoxymethyl.
- 9. A penicillin of claim 1 wherein the salt is a base addition or acid addition salt.
Priority Claims (1)
Number |
Date |
Country |
Kind |
21203/73 |
May 1973 |
UK |
|
Parent Case Info
This is a division of Ser. No. 466,814 filed May 3, 1974.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3340252 |
Alburn et al. |
Sep 1967 |
|
3483188 |
McGregor |
Dec 1969 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
466814 |
May 1974 |
|