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4966899 |
Antibacterial lyophilized preparation of aspoxicillin
An antibacterial lyophilized preparation which comprises as an active ingredient aspoxicillin and a basic salt of aspoxicillin in a molar ratio of 1 : about 0.7 to 7 and optionally an alkali metal...
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4540689 |
Penicillin derivative
A penicillin derivative having an antibacterial activity similar to a penicillin antibiotic in a living body without affecting the intestinal bacterial colonies, a process for preparing the...
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4386089 |
β-Lactam antibiotics and their medicinal use
β-Lactam compounds of the formula ##STR1## in which B denotes an optionally substituted heterocyclic 5-membered or 6-membered ring or an optionally substituted phenyl ring, Z denotes a hydrogen...
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4381263 |
Process for the preparation of penicillanic acid esters
A process for the preparation of chloromethyl esters of penicillanic acids, using iodochloromethane or bromochloromethane and a tetraalkylammonium salt of the penicillanic acid, and their use in...
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4359472 |
Bis-hydroxymethyl carbonate bridged antibacterial agents
Antibacterial agents in which a penicillin and a beta-lactamase inhibitor are linked by means of a bis-hydroxymethyl carbonate bridge are of the formula: ##STR1## and pharmaceutically acceptable...
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4329285 |
Formyl derivatives of hydrazinopenicillins
Formyl derivatives of hydrazinopenicillins of the formula ##STR1## wherein R is thienyl or phenyl, R' is hydrogen, formyl or alkyl containing from 1 to 3 carbon atoms and R" is hydrogen or formyl,...
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4255330 |
Process for preparing 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acid
Disclosed are 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acids of the following structure: ##STR1## wherein R 1 is hydrogen or acyl, R 2 is hydrogen or methoxyl, and R 3 is, inter...
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4220587 |
Amino acid derivatives of 6-(2-amino-2-arylacetamido)penicillanic acids
Amino acid derivatives of 6-(2-amino-2-arylacetamido)penicillanic acids are prepared and shown to be useful as antibacterial agents.
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4219477 |
Penicillin derivatives
Penicillin and cephalosporin derivatives and non-toxic salts thereof represented by the formula (1), ##STR1## wherein Ar represents a phenyl or heterocyclic group which may be substituted by a...
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4197240 |
Penicillin derivatives
New 7-[4-hydroxy-3-(substitutedmethyl)phenyl]acetamido penicillin derivatives are prepared which are useful as antibiotics.
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4123611 |
N-protected amino compounds
6-Aminoacylamidopenicillanic acid or 7-amino-acylamidocephalosporanic acids are produced in high yields by acylating 6-aminopenicillanic acid or 7-aminocephalosporanic acid with an amino acid, or a...
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RE29650 |
Phthalide penicillin ester intermediates
The Phthalide ester of 6-[(D(-)α-aminophenylacetamido] penicillanic acid and intermediates therefor are described . The phthalide penicillin ester is orally administrable to provide high serum...
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4073783 |
Broad spectrum antibiotics
6- α-(Amidino- and imidoylaminoalkanoylamino)aracylamino!-penicillanic acids and synthetic methods for the preparation thereof.
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4073780 |
4-Pyridylformimidoylglycyl-D-phenylglycine
Processes for the preparation of 6- D-2-phenyl-2-(4-pyridylformimidoylaminoacetamido)acetamido!p
enicillanic acid via acylation of 6-aminopenicillanic acid and derivatives thereof.
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4053609 |
Penicillins and processes for preparing the same
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...
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4029806 |
Nitro-β-lactam antibiotics and processes for their preparation and use
Penicillin and cephalosporin derivatives characterized by the presence of a nitroalkyl, nitrocycloalkyl, nitrophenylalkyl or nitroanilinoalkyl group in the side chain are antibacterial agents. The...
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4015000 |
6-Acylamino-penam-3-carboxylic and 7-acylamino-3-cephem-4-carboxylic acids
6-Acylamino-penam-3-carboxylic acids and 7-acylamino-3-cephem-4-carboxylic acids in which the acyl group has the formula ##STR1## IN WHICH R 1 is hydrogen, R 2 is optionally substituted phenyl,...
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4001218 |
Penicillins
Penicillins of the formula: ##SPC1## And their pharmaceutically acceptable nontoxic salts wherein R 1 is hydrogen, halogen, lower alkyl, hydroxy, nitro or A-NH; ##EQU1## wherein R 3 is...
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3996208 |
6-Acylamino-penam-3-carboxylic acids
6-acylamino-penam-3-carboxylic acids and 7-acylamino-3-cephem-4-carboxylic acids in which the acyl group has the formula ##STR1## in which R 1 is hydrogen, R 2 is optionally substituted phenyl,...
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3972872 |
6-[α-(ω-Guanidinoalkanoylamido)acylamido]penicillanic acids
6-[α-(ω-GUANIDINOALKANOYLAMIDO)ACYLAMIDO]PENICILLANIC ACIDS, THE NON-TOXIC SALTS AND ESTERS THEREOF ARE USEFUL AS ANTIBACTERIAL AGENTS, THERAPEUTIC AGENTS IN ANIMALS, INCLUDING MAN, OF PARTICULAR...
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3933797 |
6-[α-(ω-QUANIDINOALKANOYLAMIDO)ACYLAMIDO]PENICILLANIC ACIDS
6-[α-(ω-GUANIDINOALKANOYLAMIDO)ACYLAMIDO]PENICILLANIC ACIDS, THE NON-TOXIC SALTS AND ESTERS THEREOF ARE USEFUL AS ANTIBACTERIAL AGENTS, THERAPEUTIC AGENTS IN ANIMALS, INCLUDING MAN, OF PARTICULAR...
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3928324 |
Malonyl derivatives of 6-(α-aminoacylamido)penicillanic acids
The malonyl derivatives of 6-(α-aminoacylamido)penicillanic acids, the non-toxic salts and esters thereof, are useful as antibacterial agents, therapeutic agents in animals including man, of...
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3891627 |
6-[Alpha-(amidinothioacylamido)acylamido]penicillanic acids
6-[α-(AMIDINOTHIOACYLAMIDO)ACYLAMIDO]PENICILLANIC ACIDS, THE NON-TOXIC SALTS AND ESTERS THEREOF ARE USEFUL AS ANTIBACTERIAL AGENTS, THERAPEUTIC AGENTS IN ANIMALS, INCLUDING MAN, OF PARTICULAR...
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3870709 |
6-(ALPHA-(OME GA-GUANIDINOALKANOYLAMIDO)ACYLAMIDO)PENICILLANIC ACIDS
6-[α-(ω-GUANIDINOALKANOYLAMIDO)ACYLAMIDO]PENICILLANIC ACIDS, THE NON-TOXIC SALTS AND ESTERS THEREOF ARE USEFUL AS ANTIBACTERIAL AGENTS, THERAPEUTIC AGENTS IN ANIMALS, INCLUDING MAN, OF PARTICULAR...
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3846407 |
PENICILLIN DERIVATIVES CONTAINING A HALOGENO-CARBONYL GROUP
Process for the preparation of new penicillin-derivatives of the formula I, ##SPC1## (wherein R stands for an optically substituted aromatic, heterocyclic, aliphatic or alicyclic group; X stands...
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3532688 |
ALPHA-(BETA-ARYLPROPIONAMIDO)-ARALKYLPENICILLINS
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3518253 |
(CARBOXYCYCLOALKYL)ACYLAMINOPENICILLINS
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3433784 |
PENICILLINS SUBSTITUTED WITH HETEROCYCLIC GROUPS
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3351586 |
Poly-6(amino-acyl-amino) penicillanic acids and method of preparation
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3340252 |
Amino-acylamino-acylamino-penicillanic acids
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3325477 |
Phenyl- and thienyl-acetamido penicillins
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3320240 |
Alpha-carboxyacylamino penicillins
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3268518 |
Amino-acylamino-acylamino-penicillanic acids
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3847900 |
Title is not available
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3819600 |
Title is not available
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3770722 |
Title is not available
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3741958 |
Title is not available
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3647780 |
Title is not available
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3634405 |
Title is not available
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3631056 |
Title is not available
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3574189 |
Title is not available
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