CA2057129A1 - Cephalosporin compounds and processes for preparing the same - Google Patents

Abstract

Abstract of the disclosure:

Cephalosporin compounds of the formula [I]:

[I]

wherein R1 is amino or protected amino group, R2 is hydroxy, protected hydroxy group or lower alkoxy, R3 is carboxyl or protected carboxyl group, R4 is hydrogen, lower alkyl, lower alkenyl or a group of the formula: -CH2R41, R41 is nucleophilic residue, R5 is carboxyl, protected carboxyl group or a group of the formula: -COO , R6 is hydrogen or lower alkyl, and the dotted line means the presence or absence of double bond, or a pharmaceutically acceptable salt thereof, which have excellent antimicrobial activities and are useful as an antimicrobial drug.

Description

CEPHALOSPORIN COMPOUNDS AND
PROCESSES FOR PRERARING T~E SAME

The present invention relates to novel cephalosporin compounds having excellent antimicrobial activities, processes for preparing the same and intermediates therefor.
Prior Art Hitherto, many cephalosporin antibiotics have been known as an antimicrobial agent, for example, there has been reported that (6R, 7R)-7-[(Z)-2-(2-aminothiazol-4-yl)-2-((2-carboxyprop-2-yl)oxyimino)acetamido]-3~ pyridiniomethyl)-ceph-3-em-4-carboxylate (general name: ceftazidime) has potent antimicrobial activities [cf: Japanese Patent Second Publication (Kokoku) No. 5916~1987].
Brief Description of the Invention An object of the present invention is to provide novel cephalosporin compounds having excellent antimicrobial activities. Another object of the invention is to provide processes for preparing the novel cephalosporin compounds.
Further object of the invention is to provide intermediates for preparing the novel cephalosporin compounds. These and other objects and advantages of the invention will be apparent to those skilled in the art from the following description.
Detailed Description of the Invention The cephalosporin compounds of the present ~ 2Q~7129 invention have the following formula [I]:

N ~ C-CON~ ~ ~
S N ~/ I R4 1H--R3 [I]

~ ~0 wherein Rl is amino group or a protected amino group, R2 is hydroxy group, a protected hydroxy group or a lower alkoxy group, R3 is carboxyl group or a protected carboxyl group, R4 is hydrogen atom, a lower alkyl group, a lower alkenyl group or a group of the formula: -CH2R41 ~wherein R41 is a nucleophilic residue), R5 is carboxyl group, a protected carboxyl group or a group of the formula: -COO , R6 is hydrogen atom or a lower alkyl group and the dotted line means the presence or absence of a double bond.
The novel cephalosporin compounds [I] of the present invention and pharmaceutically acceptable salts thereof have excellent antimicrobial activities against the wide range of microorganisms including Gram positive bacteria and Gram negative bacteria, especially against Gram positive bacteria. The cephalosporin compounds [I] of the present invention also show high stability to various 3-lactamase-producing bacteria, and show high absorbability in the living tissues, and further the treatment effects .

_ 3 _ 2 ~ 2 9 thereof last for a long time. In view of these advantages, the compounds [I] of the present invention can be used as an antimicrobial agents, for example, in prophylaxis and treatment of infectious diseases caused by the above various microorganisms as a chemotherapeutic drug for mammals including human being and also an additive for animal feeds.
The desired compounds of the present invention include, for example, the compounds of the formula [I], wherein R4 is hydroqen atom, a lower alkyl group such as methyl, a lower alkenyl group such as vinyl, or a group of the formula: -CH2R41 {wherein R41 is a conventional nucleophilic residue used in this field, for example, a lower alkanolyoxy group such as acetoxy; a nitrogen-containing heterocyclic group such as pyridinio group, quinolinio group, iso~uinolinio group, 2,3-propanopyridinio group, 5,6,7,8-tetrahydroquinolinio group or 2,3-pentanopyridinio group [these heterocyclic compounds may optionally have one or two substituents selected from the group consisting of a halogen atom ~e.g. chlorine, bromine, fluorine, etc.), a lower alkyl group (e.g. methyl, etc.), a lower alkoxy group (e.g. methoxy, etc.), a lower alkoxycarbonyl group (e.g. methoxycarbonyl, etc.), amino group, carbamoyl group, cyano group, formylamino group and a hydroxy(lower)alkyl group (e~g. hydroxymethyl, etc.)3, a thio group substituted by a nitrogen-containing heterocyclic group such as thiadiazolylthio group, tetraæolylthio group 20~7129 and pyridiniothio group [these nitrogen-containing heterocyclic groups may optionally have a substituent selected from the group consisting of a lower alkyl te.g.
methyl, etc.), a lower alkenyl (e.g. vinyl, allyl, etc.)]).
Further, the compounds [I] of the present invention include, for example, the compounds of the formula [I], wherein Rl is amino group, R3 is car~oxyl group, R5 is carboxyl group or a group of the formula: -COO , R6 is hydrogen atom or methyl group.
Moreover, the compounds [I] of the present invention include, for example, the compounds of the formula [I], wherein R2 is hydroxy group or methoxy group which substitutes at 8-position of the 2-oxo-lH-quinoline ring or the 2-oxo-1,2,3,4-tetrahydroquinoline ring.
The more preferred compounds of the invention as a medicament are compounds of the formula [I], wherein R4 is a group of the formula: -CK2R41 (wherein R41 is acetoxy group, pyridinio group, 3-chloropyridinio group, 3-amino-2-methylpyridinio group or quinolinio group).
The most preferred compounds of the invention as a medicament are compounds of the formula [I], wherein R4 is a group of the formula: -CH2R41 (wherein R41 is pyridinio group, 3-chloropyridinio group, 3-amino-2-methylpyridinio group or quinolinio group).
When Rl of the compound [I~ of the present invention is a protected amino group, the protecting group for amino group includes various conventional protecting 20~7129 groups which are usually used in the synthesis of peptides, for example, a lower alkanoyl group; mono-, di- or trihalogeno(lower)alkanoyl group; a lower alkoxycarbonyl group; a substituted or unsubstituted phenyl(lower)-alkoxycarbonyl group such as benzyloxycarbonyl group, p-~lower)alkoxybenzyloxycarbonyl group; a substituted or unsubstituted phenyl(lower)alkyl group such as benzyl group, p-(lower)alkoxybenzyl group, 3,4-di(lower)alkoxybenzyl group; and di- or triphenyl(lower)alkyl group, and the like.
When R2 of the compound [I] of the present invention is a protected hydroxy group, the protecting group for hydroxy group includes, for example, a substituted or unsubstituted phenyl(lower)alkyl group such as benzyl, diphenylmethyl, and the like; a lower alkanoyl group such as acetyl group, benzoyl group, and the like.
Moreover, when R3 or/and R5 of the compound ~I] of the present invention are a protected carboxyl group, the protecting group for carboxyl group are preferably a protecting group which can be easily removed from the carboxyl group by a conventional method such as hydrolysis, acid-treatment and reduction, and the like. Such protecting groups are, for example, a lower alkyl group; a substituted or unsubstituted phenyl(lower)alkyl group such as benzyl, p-(lower)alkoxybenzyl, p-nitrobenzyl, diphenylmethyl, and the like; and tri(lower)alkylsilyl group.
According to the present invention, the desired - 6 20~71 29 compounds ~I] and pharmaceutically acceptable salts thereof can be prepared by condensing an oxyiminoacetic acid compound of the formula [II]:

S N

CH-R3 [II]

R2 ~,~;,1~

wherein the symbols are the same as defined above, a salt or a reactive derivative thereof, with a 7-aminocephalosporin compound of the formula [III]:

H2N~;~
~ R4 [III]

wherein the symbols are the same as defined above, or a salt thereof, or by reacting an oxyiminocephaloporin compound of the formula [IV]:

1 ~ N ~ C-CONH ~ ~ [IV]

wherein the symbols are the same as defined above, or a salt thereof, with a carbostyril compound of the formula [V~:

_ 7 _ ~ ~ ~7~3 C~-R3 [V]

O

wherein Z is a reactive residue, R2, R3, R6 and the dotted line are the same as defined above, or a salt thereof.
Among the desired compounds [I] of the present invention, the compound wherein R4 is a group of the formula: -CH2R41 can be prepared by reacting a cephalosporin compound of the formula [VI]:

S ~ N ~ ~ CH2Xl CH-R3 [VI]

O

wherein Xl is a reactive residue, Rl, R2, R3, R5, R6 and the dotted line are the same as defined above, or a salt thereof, with a nucleophilic compound [VII] or a salt thereof.
When the desired compounds [I] thus prepared are the compounds wherein Rl is a protected amino group, R2 is a protected hydroxy group, and/or R3 and/or RS are a protected carboxyl group, if desired, the said protectin~ groups may optionally be removed. Besides, the desired compounds [I3 may optionally be converted into a pharmaceutically acceptable salt thereof.
The salts for he starting compounds [II], [III], [IV], [V] and [VI] may preferably be any salt with a conventional inorganic or organic amine.
The starting nucleophilic compound [VII] includes any conventional compounds which are usually used in this field, for example, a lower alkane acid (e.g. acetic acid, etc.), a nitrogen-containing heterocyclic compound (e.g.
pyridine, quinoline, isoquinoline, 2,3-propanopyridine, tetrahydroquinoline, 2,3-pentanopyridine, etc.) which may optionally have substituents selected from the group consisting of a halogen atom, a lower alkyl, a lower alkoxy, a lower alkoxycarbonyl, amino, carbamoyl, cyano, formylamino and a hydroxy(lower)alkyl, and a mercapto- or thio-subsituted nitrogen-containing heterocyclic compound ~e.g.
mercaptothiadiazole, mercaptotetrazole, thiopyridone, etc.) which may optionally have a substituent selected from the group consisting of a lower alkyl and a lower alkenyl.
These nucleophilic compounds [VII] may be used in the form of a salt thereof such as mineral acid salt or alkali metal salt.
The condensing reaction between the free oxyiminoacetic acid [II~ and the 7-aminocephalosporin compound ~III] may be carried out in the presence of a dehydrating agent. The dehydrating agent may be any 2ù~ ~129 conventional dehydrating agent, for example, dicyclohexylcarbodiimide, phosphorus oxychloride, thionyl chloride, oxalic chloride or a Vilsmeier reagent which is prepared by reacting dimethylformamide with phosphorus oxychloride, oxalic chloride, phosgene or thionyl chloride. This reaction is preferably carried out under cooling or at room temperature.
The condensation reaction between a reactive derivative (e.g. acid anhydride, mixed acid anhydride, active ester, etc.) of the oxyiminoacetic acid compound [II]
and the 7-aminocephalosporin compound [III] or a salt thereof may be carried out in the presence or absence of a base. The base may preferably include, for example, an alkali metal hydroxide, an alkali carbonate, an alkali hydrogen carbonate, bis(trimethylsilyl)acetamide, trialkylamine, N,N-dialkylaniline, pyridine, and the like.
This reaction is preferably carried out under cooling or at room temperature ~e.g. -60C to 25C).
The reaction between the oxyiminocephalosporin compound [IV] and the carbostyril compound [V3 is carried out in the presence of an dehydrating agent or a base. The reactive reside for Z of the carbostyril compound [V] is, for example, hydroxy group, a halogen atom, a lower alkylsulfonyloxy group, and the like. The dehydrating agent may be, for example, a mixture of a phosphorus compound (e.g. triphenylphosphine, diphenylmethylphosphine, diphenylethylphosphine, etc.) and an azodicarboxylic acid 2l~7129 di(lower)alkyl ester. The base is preferably an alkali metal hydroxide, a trialkylamine, N,N-dialkylaniline, pyridine, and the like. This reaction is preferably carried out under cooling or with warming (e.g. -40C to 30C).
The reaction between the cephalosporin compound [VI] and the nucleophilic compound [VII] is preferably carried out in a suitable solvent. In this reaction, the cephalosporin compound [VI] may be a compound of the formula [VI] wherein the reactive residue for Xl is, for example, a carbamoyloxy group, a lower alkanoyloxy group or a halogen atom. This reaction is preferably carried out at room temperature, under cooling or with heating (e.g. -40C to 40C), at pH 2 - 8, more preferably at pH 5 - 8. If desired, in order to promote the reaction, there may be added to the reaction system an alkali metal halide, a tri(lower)alkylsilyltrifluoromethanesulfonate, an alkali metal thiocyanate, an alkali metal hydrogen carbonate, a quaternary ammonium salt having surface activity [e.g.
tri(lower)alkylbenzylammonium halide] or phosphate buffer solution, and the like.
The reactions mentioned above may, if desired, be carried out in a suitable solvent such as dimethylformamide, dimethylacetamide, dioxane, acetone, alcohol, acetonitril, methylene chloride, chloroform, pyridine, dimethylsulfoxide, toluene, tetrahydrofuran, water or a mixture thereof.
In the above reactions, optical active compounds E I] of the present invention may be obtained from optical 20~71~9 active starting compounds [II], [V] or [VI].
The compounds ~I] wherein Rl is a protected amino group, R2 is a protected hydroxy group, and/or R3 and/or R5 are a protected carboxyl group, may optionally be subjected to removal of the protecting groups. The removal of these protecting groups is carried out in a conventional manner, for example, hydrolysis, solvolysis, acid-treatment, reduction, and the like, or a combination thereof, which is selected depending on the kind of the protecting groups to be removed.
The compounds [I] of the present invention and pharmaceutically acceptable salts thereof have excellent antimicrobial activities against the wide range of Gram positive bacteria, such as microorganisms of the genera Enterococcus (e.g. Enterococcus faecalis), Staphylococcus (e.g. Staphylococcus aureus, Staphylococcus epidermidis), Morganella (e.g. Morganella morganii) and Pseudomonas(e.g.
Pseudomonas aeruginosa) and Gram negative bacteria.
Especially, unlike the above mentioned conventional cephalosporin compounds, the compounds [I] of the present invention and pharmaceutically acceptable salts thereof have potent antimicrobial activities against Gram positive bacteria (e.g. microorganisms of Staphylococcus, etc.).
For example, in compared with the above mentioned ceftazidime, the compound of this invention, 7B-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)-(carboxy)methyloxyimino]acetamido}-3-(1-quinoliniomethyl)-3-2~712~

cephem-4-carboxylic acid has excellent antimicrobial activities of more than 32 times stronger against Staphylococcus aureus 20CiP JC-l, and 7~-{~Z)-2-(2-amino-thiazol-4-yl)-2-~(8-hydroxy-2-oxo-lH-quinolin-5-yl)-(carboxy)methyloxyimino]acetamido}-3-(1-pyridiniomethyl)-3-cephem-4-carboxylic acid and 73-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxy-iminc]acetamido}-3-(3-amino-2-methyl-1-pyridiniomelhyl3-3-cephem-4-carboxylic acid have excellent antimicrobial activities of more than 16 times stronger against Staphylococcus epidermidis Kawamura.
Moreover, the desired compounds [I] of the present invention and pharmaceutically acceptable salts thereof characteristically have higher stability to various ~-lactamase-producing bacteria. For example, the compounds of the present invention, 3-(1-quinoliniomethyl) derivative and 3-(1-pyridiniomethyl) derivative of 73-{(Z)-2-(2-amino-thiazol-4-yl)-2-[(B-hydroxy-2-oxo-lH-quinolin-5-yl)-(carboxy)methyloxyimino]acetamido}-3-cephem-4-carboxylic acid have excellent antimicrobial activities of more than 4 times stronger against Citrobacter freundii GN346 than ceftazidime.
The desired compounds [Il of the present invention and pharmaceutically acceptable salts thereof also have e~cellent antimicrobial activities a~ainst microorganisms of the genera Proteus (e.g. Proteus morganii), Citrobacter (e.g. Citrobacter freundii), Escherichia (e.g. ~scherichia - 13 - 2~7~2~

coli) r Klebsiella (e.g. Klebsiella pneumoniae), or Enterobacter, Serratia, Shigella and Salmonella.
The most important character of those compounds is to show potent effects on clinical isolates of methicillin resistant Staphylococcus aureus (MRSA) which is resistant to many B-lactam antibiotics. For example, antibacterial activity (90 % inhibitory concentration) of 7R-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-~-oxo-lH-quinolin-5-yl)-(carboxy)methyloxyimino]acetamido}-3-(3-amino-2-methyl-1-pyridiniomethyl)-3-cephem-4-carboxylic acid against clinical isolates of MRSA is about 16 times superior to that of ceftazidime. Further, antibacterial activity (90 %
inhibitory concentration) of the above-mentioned compound of the invention against clinical isolates of P. aeruginosa is about 2 times superior to that of ceftazidime.
Moreover, the desired compounds [I] or pharmaceutically acceptable salts thereof have high absorbability in the living tissues, and the treatment effects thereof last for a long time so that the compounds [I] of the present invention show excellent defense effect in infectious diseases caused by various microorganisms including Staphylococcus aureus and Pseudomonas aeruginosa. In addition, the desired compounds [I~ of the present invention and pharmaceutically acceptable salts thereof have low toxicity and show high safety as a medicament. For example, when acute toxicity of 7B-{(Z)-2-~2-aminothia~ol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)-- 1~ - 20~71 29 (carboxy)methyloxyimino]acetamido~-3-(3-amino-2-methyl-1-pyridiniomethyl)-3-cephem-4-carboxylic acid was tested with intravenous administration using mice, no mouse of five mice which were administered at dose of 1 g/kg was died in five days after the administration thereof.
The cephalosporin compounds [I] of the present invention may be used either in the free form or in the form of a pharmaceutically acceptable salt thereof. The pharmaceutically acceptable salt includes, for example, non-toxic metal salts such as sodium salt, potassium salt, calcium salt, magnesium salt, aluminum salt, and the like;
salts with non-toxic amines such as trialkylamine (e.g.
triethylamine), pyridine, ethanolamine, triethanolamine, dicyclohexylamine, and the like; salts with an inorganic acid such as hydrochloric acid, sulfuric acid, hydrobromic acid, and the like; salts with an organic acid such as oxalic acid, tartaric acid, and the like; addition salts with an amino acid such as glycine, lysine, arginine, aspartic acid, glutamic acid, and the like.
The salt of the compound [I] may also be a salt with a resin such as a polystyrene resin having an amino group, quaternary amino group or sulfonic acid group, or a resine having a carboxyl group such as a resin comprising polyacryl acid resin. The compounds [I] of the present invention may also be in the form of a complex with a metal such as iron, copper, and the like, or with an ammonium salt such as ammonium chlorider and the like. Thus, the desired - 15 - 2~7~29 compounds [I] of the present invention and salts thereof include inner salts, addition salts, complexes, solvates and hydrates thereof.
The cephalosporin compounds [I] or pharmaceutically acceptable salts thereof can be administered either by oral route or parenteral route (e.g. intravenous, intramuscular or subcutaneous route). They can be used in the form of a pharmaceutical preparation suitable for oral or parenteral administration in admixture with a pharmaceutical acceptable carrier or diluent, for example, tablets, granules, capsules, powder, injections, and the like.
The daily dose of the compounds [I] of the present invention may vary depending on administration rcute, age, weight and conditions of the patient, and kinds of the diseases to be cured, but it is usually in the range of about 2 to 200 mg/kg of body weight, preferably about 5 to 40 mg/kg of body weight.
In this specification and claims, the partial structure of the formula: -C-CONH-N

l means, if not determined otherwise, the geometrical isomers of the following formulae:

-C-CONH- -C-CONH-ll or 11 N-O- -O-N

IZ)-isomer (E)-isomer - 16 - 2~ 7 1 ~ 3 or a mixture thereof. However, the compounds lI] or pharmaceutically acceptable salts thereof wherein the oxyimino group has (Z)-configuration are preferably used as a medicament, and show more excellent biological activities.
The desired compounds [I] of the present invention, the starting compounds [II] and [VI] include either optical isomers or racemic mixture thereof owing to the partial structure of the following formula:

--C--N

*CH-R3 R 2 ~

wherein the mark * means an asymmetric carbon atom, R2, R3, R6 and the dotted line are the same as defined above.
The starting compound [II] is a novel compound, and can be prepared, for example, by reacting the carbostyril compound [V] with a compound of the formula ~VIIT]:
N ~ C-C02Y
S N ~VIII]
OEI
wherein a group of -C02Y is carboxyl group or a protected carboxyl group, Rl is the same as defined above, in the presence of a base under cooling or with heating to give a 2~71 29 compound of the formula [II-a]:
l ~ N~ ~ C~COOY
S N

CH-R3 [II-a]

~ O

wherein the symbols are the same as defined above, optionally followed by removal of the protecting group from the compound [II-a]. When a group of the formula: -C02Y is a protected carboxyl, the protecting group therefor may be any one as exemplified above for the protecting group for R3 and R5. Alternatively, the compound [II] may also be prepared by reacting the carbostyril compound [V] with N-hydroxyphthalimide or an alkali metal salt thereof, followed by treating the reaction mixture with a lower alkylhydrazine under cooling to give a compound of the formula [IX]:

CH-R3 [IX]

~ O

wherein the symbols are the same as defined above, further by reacting the compound ~IX~ with a glyoxylic acid compound of the formula ~X]:

- 18 ~ 7 1 2 ~

_~ ~ rCOC02Y [X]
s wherein the symbols are ~he same as defined above, in the presence or absence of a base under cooling or with heating, optionaily followed by subjecting the product to removal of the protecting group therefrom.
Through the specification and claims, the lower alkyl, lower alkenyl, lower alkoxyl and lower alkanoyl groups have 1 to 6 carbon atoms, 2 to 6 carbon atoms, 1 to 6 car~on atoms and 2 to 6 carbon atoms, respectively.
The present invention is illustrated in more detail by the following Examples and Reference Examples, but should not be construed to be limited thereto.
Example 1 ~ (a) To a mixture of 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester (47.7 g), ~-hydroxyphthalimide (41.2 g), triphenylphosphine (55.2 g) and tetrahydrofuran (2000 ml) is added dropwise azodicarboxylic acid diethyl ester (36.6 9) under argon atmosphere at 5 to lO~C. The mixture is stirred at the same temperature for one hour, and further at room temperature for 70 hours. The mixture is concentrated, and the resulting residue is purified by silica gel column chromatography (eluent; he-xane/ethyl acetate and chloroform), recrystallized from chloroform/ether to give 2-(8-diphenylmethyloxy-2-oxo-1~-quinolin-5-yl)-2-~phthal-imidoxy)acetic acid diphenylmethyl ester (44.5 g).

- 19 - 2~7~29 M.p. 206 - 207C (decomposed) IR (Nujol): 3170, 3130, 3065, 3030, 1790, 1760, 1730, 1660, 1610 cm~
MS (m/z): 713 (~+) (l)-(b) A suspension of 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester (0.57 9) and calcium carbonate (0.2 g) in tetra-hydrofuran (10 ml) is cooled to -5 to 0C and stirred under argon atmosphere. To the mixture is added dropwise phosphorus tribromide (0.38 g), and the mixture is further stirred for one hour. The mixture is poured into a cold mixture of ethyl acetate (10 ml) and 2N-aqueous sodium hydroxide solution (3 ml) with stirring at a temperature below 2C, and basified with saturated aqueous sodium hydrogen carbonate solution, and separated. The aqueous layer is extracted with ethyl acetate, and the extract is combined with the above obtained ethyl acetate layer, washed with saline solution, dried, and thereto is added calcium carbonate (5 mg). ~he mixture is evaporated to remove the solvent to give 2-bromo-2-(8-diphenylmethyloxy-2-oxo-1~-quinolin-5-yl)acetic acid diphenylmethyl ester.
A suspension of N-hydroxyphthalimide potassium salt (0.25 9) in dimethylformamide (2 ml) is cooled to -10C
under argon atmosphere, and thereto is added dropwise a solution of the above compound in dimethylformamide (3 ml), and the mixture is stirred at 0 to 2C for one hour. The mixture is poured into a mixture of ice-water (20 ml)/ethyl - 20- 20~7~29 acetate (30 ml), and separated. The organic layer is collected, washed with aqueous sodium hydrogen carbonate solution and water, dried and concentrated. The resulting residue is purified by silica gel column chromatography to give 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-(phthalimidoxy)acetic acid diphenylmethyl ester (0.30 g).
The physicochemical properties of this product are the same as those of the preparation obtained in above step (a3.
(2) A solution of the product (36.5 g) obtained above in methylene chloride (500 ml) is cooled to -60C
under argon atmosphere, and thereto is added dropwise methylhydrazine (3.0 ml). The mixture is stirred at -60 to 0C for 1.5 hour, and further at 0C for 30 minutes. The precipitated crystals are removed by filtration, and washed with methylene chloride. The washings and the filtrate are combined, and evaporated. The residue is crystallized from ether and the precipitated crystals are collected by filtration, washed with ether and dried to give 2-aminooxy-2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)acetic acid diphenylmethyl ester (29.8 9) as colorless crystals.
M.p. 178 - 180C (decomposed) IR (Nujol): 3230, 3160, 1750, 1730, 1650, 1600 cm 1 MS (m~z): 583 (MH+) This product is recrystallized ~rom methanol to give crystals having the different I~ spectrum.
M.p. 170 - 171C
IR (Nujol): 3650, 3550, 33C0, 3240, 1760, 1740, 20~7129 1660, 1610 cm-l ~ 3) The product (28 g) obtained above and 2-tritylaminothiazol-4-yl-~lyoxylic acid (18.65 g) are dissolved in a mixture of tetrahydrofuran (800 ml), acetonitril (280 ml) and water (280 ml), and the mixture is stirred at room temperature for five hours, and evaporated to remove the solvent. The residue is crystallized from ether and the precipitated crystals are collected by filtration, washed with ether, and dried to give 2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)methyloxyimino~-acetic acid (41.6 g) as colorless crystals.
M.p. 154 - 156C (decomposed) IR ~Nujol): 3400, 3200, 3060, 3030, 2800 - 2400, 1740, 1720, 1660, 1610 cm~
Mz (m/z): 979 (MH+) (4) To dimethylformamide (2.23 9) are added successively phosphorus oxychloride (2.85 g) and methylene chloride (10 ml) with ice-cooling under argon atmosphere, and the mixture is stirred at room temperature for one hour, and then cooled to -55 to -50C. To the mixture is added dropwise a solution of 2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-1~-quinolin-5-yl)(diphenylmethyloxy-carbonyl)methyloxyimino]acetic acid (13 g) in methylene chloride (300 ml~, and the mixture is stirred at -60 to -50C for two hours (the resulting solution is referred to as Reaction Solution A). Alternatively, bis(trimethyl-20~7129 silyl)acetamide (14.8 ml) is added to a suspension of 7-aminocephalosporanic acid (5.43 9) in methylene chloride (48 ml) with ice-cooling under argon atmosphere, and the mixture is stirred at the same temperature for 1.5 hour ~the resulting solution is referred to as Reaction Solution B).
Reaction Solution B is added dropwise to Reaction Solution A
at -60 to -55C, and the mixture is stirred at -60 to -30C
for one hour, then at -30DC for 1.5 hour. After completion of the reaction, the mixture is poured into ice-water and separated. The aqueous layer is extracted with methylene chloride, and the extract is combined with the methylene chloride layer, washed with saline solution, dried and evaporated to remove the solvent to give 7~-{(Z)-2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)methyloxyimino]-acetamido}cephalosporanic acid (16.48 g) as light yellow powder.
M.p. 160 - 162C (decomposed) IR (Nujol): 3380, 3230, 2800 - 2400, 1790, 1740, 1670, 1610 cm-~S (m/z): 1233 (MH+) Example 2 7~-~(Z)-2-(2-Tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)~diphenylmethyloxy-carbonyl)methyloxyimino]acetamido}cephalosporanic acid (12.48 g) is dissolved in ~ormic acid (160 ml), and thereto is added water (40 ml) under ice-cooling, and the mixture is _ ~3 _ 2 ~ ~ 7 1 2 9 stirred at room temperature for 8.5 hours. The precipitates are separated by filtration, and washed with 80 %
aqueous formic acid solution. The filtrate and the washings are combined, and evapor~ted to remove the solvent. To the residue is added ethanol, and the precipitate powder is collected by filtration, washed with ethanol and ether, dried and dissolved in aqueous sodium hydrogen carbonate solution. The pH value of the mixture is adjusted to about pH 8.0 with saturated aqueous sodium hydrogen carbonate solution, and purified with a column packed with a nonionic adsorbing resin (tradename: Diaion HP-20 manufactured by Mitsubishi Kasei Corporation, hereinafter referred to as HP-20) (eluent; water and 5 ~ aqueous methanol). The fractions containing the desired compound are combined, concentrated, and lyophilized to give 7B-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-~uinolin-5-yl)(carboxy)methyloxyimino]-acetamido}cephalosporanic acid disodium salt (4.2 g) as light yellow powder.
M.p. 230 - 240C (decomposed3 IR (Nujol): 3320, 3200, 1770, 1730, 1650, 1600 cm 1 MS (m/z): 703 (MH+) NMR (D2O) ~: 2.11 and 2.12 (3H, sx2), 2.88 and 2.92 (lH, dx2, J=18Hz and 18Hz), 3.36 and 3.39 (lH, dx2, J=18Hz and 18Hz), 4.66 (lH, d, J=12Hz), 4.83 (lH, d, J=12Hz), 4.89 and 4.92 ~lH, dx2, J=4.9Hz and 4.4Hz), 5.56 and 5.66 (lH, dx2, J=4.9Hz and 4.4Hz3, 5.97 (lH, s), 6.75 and 6.76 (lH, dx2, J=9.8Hz and 9.8Hz), 6.99-7.05 (2H, m), 7.21 and 7.23 - 24 - 2~7129 (lH, dx2, J=8.3~z and 7.8Hz), 8.28 and 8.35 (lH, dx2, J=9.8Hz and 9.8 Hz) Example 3 (l) To a solution of quinoline (900 mg) in methylene chloride (9 ml) is added trimethylsilyltrifluoro-methanesulfonate (l.l ml) under argon atmosphere, and the mixture is stirred at room temperature for lO minutes. To the mixture is added 7B-{(z)-2-(2-tritylaminothiazol-4-yl) 2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenyl-methyloxycarbonyl)methyloxyimino]acetamido}cephalosporanic acid (l 9), and the mixture is stirred at room temperature for 45 minutes, and then refluxed with stirring for 1.5 hours. The solvent is distilled off, and the resulting residue is dissolved in formic acid (12 ml), and thereto is added water. The mixture is stirred at room temperature for 6.5 hours. The precipitates are separated by filtration, washed with 80 % aqueous formic acid solution, and the washings and the filtrate are combined. The solvent is distilled off, and the residue is dissolved in saturated aqueous sodium hydrogen carbonate solution and acetonitril, and the pH value thereof is adjusted to about pH 8.
Acetonitril is distilled off from the mixture, and the aqueous layer is washed with chloroform, and purified by HP-20 column chromato~raphy (eluent; water and 5 - 30 % aqueous metanol). The fractions containing the desired compound are combined, concentrated, and lyophilized to qive 7B-~(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-- 25 _ 2 0 ~ 7 ~ 2 9 yl)(caboxy)methyloxyimino]acetamido}-3-(1-quinoliniomethyl)-3-cephem-4-carboxylic acid sodium salt (160 mg) as slightly yellow powder.
M.p. 205 - 210C (decomposed) IR (Nujol): 335C, 3200, 1770, 1660, 1610 cm 1 MS (m/z): 750 (MH+) NMR (D2O) ~: 2.58 and 2.65 ~lH, dx2, J=19Hz and l9Hz), 3.12 and 3.15 (lH, dx2, J=19Hz and l9Hz), 4.91 and 4.94 (lH, dx2, J=4.9Hz and 4.9Hz), 5.62 and 5.68 (lH, dx2, J=4.9Hz and 4.9Hz), 5.70 and 5.85 (2H, each br d), 5.93 (lH, s), 6.60 and 6.64 (lH, dx2, J=9.8Hz and 9.8Hz), 6.71 and 6.86 (lH, dx2, J=8.3Hz and 8.3Hz), 6.92 and 6.94 (lH, sx2), 7.12 and 7.18 (lH, dx2, J=8.3Hz and 8.3Hz), 7.80-8.34 (6H, m), 8.98-9.10 (2H, m) (2) The product (100 mg) obtained above is subjected to high performance liquid chromatography to isolate each isomer, and further purified by HP-20 column chromatography to give ~-isomer and ~-isomer, separately.
Retention time (Rt) of ~-isomer: 25 minutes Retention time (Rt) of B-isomer: 40 minutes [Conditions]
Solid phase; C18-silica gel (tradename: YMC-Pack S-343) Eluent; Acetonitril : 30 mM phosphate buffer (pH 7.0) =
8.5 : 91.5 Flow rate; 5 ml~minute -Isomer Yield: 30 mg - ~6 - 2~7129 M.p. >175C (decomposed) IR (Nujol): 3380, 3200, 1770, 1660, 1610 cm 1 MS (m/z): 750 (MH+) NMR (D20) ~: 2.62, 3.17 ~2H, dx2, J=18Hz and 18~z), 4.94 (lH, d, J=4.9Hz), 5.62 (lH, d, J=4.gHz), 5.75, 5.91 (2H, dx2, J=16Hz and 16Hz), 5.95 (lH, s), 6.66 (lH, d, J=9.8Hz), 6.79 (lH, d, J=8.3Hz), 6.99 (lH, s), 7.13 (lH, d, J=8.3Hz), 7.90-8.40 (6H, m), 9.10 (2H, m) B-Isomer Yield: 27 m~
M.p. >175C (decomposed) IR (Nujol): 3380, 3200, 1770, 1660, 1610 cm 1 MR (m/z): 750 (MH+) NMR ~D20) ~: 2.57, 3.13 (2H, dx2, J=18Hz and 18 Hz), 4.91 (lH, d, J=4.9Hz), 5.69 (lH, d, J=4.9Hz), 5.73, 5.88 (2H, dx2, J=16Hz and 16Hz), 5.96 (lH, s), 6.68 (lH, d, J=lOHz), 6.94 (lH, d, J=8.3Hz), 6.98 (lH, s), 7.20 (lH, d, J=8.3Hz), 7.80 - 8.38 (6H, m), 9.12 (2H, m) Example 4 To a mixture of 7g-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxyimino]-acetamido}cephalosporanic acid disodium salt (0.59 g), pyridine (0.34 ml) and sodium iodide (1.25 9) in water (6 ml) is added acetic acid in order to adjust the pH value of the mixture to pH 6.6. The mixture is stirred at 70C under arson atmosphere for 30 minutes, and then cooled. The pH
value of the mixture is adjusted to pH 7.9 with saturated - 27 - 2~7.~2~

aqueous sodium hydrogen carbonate solution, and the mixture is purified by HP-20 column chromatography (eluent; water and 5 ~ aqueous methanol~. The initially eluating part, the middle part and the las'~ part of the ~ractions containing the desired compound are combined separately, and concentrated. The each resulting residue is lyophilized to give ~-isomer, a mixture of ~-isomer and 3-isomer, and B-isomer of 7~-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxyimino]acetamido}-3-(l-pyridiniomethyl)-3-cephem-4-carboxylic acid sodium salt.
~-Isomer Yield: 24 mg M.p. >200C (decomposed) IR (Nujol): 3350, 3320, 1770, 1660 - 1620, 1600 cm 1 MS (m/z): 722 (MNa+), 700 (MH+) NM~ (D2O) ~: 2.61 (lH, d, J=18Hz), 3.34 (lH, d, J=18Hz), 4.96 (lH, d, J=4.9Hz), 5.28 (lH, d, J=14Hz), 5.49 (lH, d, J=14Hz), 5.70 (lH, d, J=4.9Hz), 5.96 (lH, s), 6.67 (lH, d, J=9.8Hz), 6.90 (lH, d, J=8.3Hz), 7.19 (lH, d, J=8.3Hz), 8.13 (2H, m), 8.32 (lH, d, J=9.8Hz), 8.60 (lH, m), 8.90 (2H, m) 3-Isomer Yield: 16 mg M.p. >200C (decomposed) IR (Nujol): 3350, 3320, 1770, 1660 - 1620, 1600 cm 1 MS (m/z): 722 (MNa+), 700 (MH+) NMR (D2O) ~: 2.64 (lH, d, J=18Hz), 3.34 (lH, d, - 28 - 2~712~

J=18Hz), 4.97 (lH, d, J=4.4Hz), 5.28 (1~, d, J=lSHz), 5.51 (lH, d, J=15Hz), 5.61 (lH, d, J=4.4Hz), 5.96 (lH, s), 6.64 (lH, d, J=8.3Hz), 6.69 (lH, d, J=9.8Hz), 7.06 (lH, d, J=8.3Hz), 8.13 (2H, m), 8.22 (lH, d, J=9.8Hz), 8.60 (lH, m), 8.90 (2H, m) A mixture of ~- and 3-isomers Yield: 91 mg M.p. >200 C
IR (Nujol): 3350, 3200, 1770, 1660 - 1620, 1600 cm 1 MS (m/z): 722 (MNa+), 700 (MH+) NMR tD2O) ~: 2.16 and 2.64 (lH, dx2, J=18Hz and 18Hz), 3.34 (lH, d, J=18Hz), 4.96 and 4.97 (lH, dx2, J=4.9Hz and 4.4Hz), 5.28 tlH, br d), 5.49 and 5.51 (lH, dx2, J=14Hz and 15Hz), 5.61 and 5.70 (lH, dx2, J=4.4Hz and 4.9Hz), 5.96 (lH, br d), 6.66 and 6.90 (2H, m and d, J=8.3Hz), 7.00 (lH, s), 7.06 and 7.19 (lH, dx2, J=8.3Hz and 8.3Hz), 8.13 (2H, m), 8.22 and 8.32 (lH, dx2, J=9.8Hz and 9.8Hz), 8.60 (lH, m), 8.90 (2H, m) Examples 5 - 26 73-{(Z)-2-(2-Tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyl-oxycarbonyl)methyloxyimino]acetamido}cephalosporanic acid and a nitrogen-containing heterocyclic compound are treated in the same manner as in Example 3 to give the compounds of the following Table 1.

20~7~.~9 2q Table 1 N ~ C-CONH

O COO-I

CH-COONa ~0 OH H

Ex. Compound No.
_ R41 Physicochemical properties M.p. 210-220C (decomposed) 5 -N ~ IR v nu~ol cm 1 3350, 3200, 1770, 1660,~
~ NMR (D2O) ~: 2.58 and 2.66 (lH, dx2, / \ J=18Hz and 18Hz), 3.19 and 3.22 (lH, ~\ // dx2, J=18Hz and 18Hz), 4.96 (lH, d, ~__\ J=4.9Hz), 5.63 and 5.68 (lH, dx2, C1 J=4.9Hz and 4.9 Hz), 5.74 (2H, br s), 5.91 and 5.95 (lH, sx2), 6.61 and 6.65 ~lH, dx2, J=9.3Hz and 9.3Hz), 6.67 and 6.83 (lH, dx2, J=7.8Hz and 7.8Hz), 6.87 and 6.92 (lH, sx2), 7.13 and 7.17 (lH, dx2, J=7.8Hz and 7.8Hz), 7.90-8.37 (SH, m), 8.88 (lH, m), 9.09 (lH, m) _ M.p. 205-210C (decomposed) 6 Br IR v nujol cm 1 3340, 3200, 1770, 1660, / max 1610 + ~ NMR (D2O) ~: 2.62 and 2.69 (lH, dx2, -N \~ J=17Hz and 17Hz), 3.22 and 3.28 (lH, ~ dx2, J=17Hz and 17 Hz), 4.97 ~lH, d, / \ J=4.9Hz), 5.64 and 5.69 (lH, dx2, J=4.9Hz and 4.9 Hz), 5.77 (2H, br s), S.91 and 5.96 (lH, sx2), 6.64 and 6.65 (lH, dx2, 3=9.8Hz and 9.8Hz), 6.70 and 6.88 (lH, dx2, J=8.3Hz and 8.3Hz), 6.91 and 6~95 (lH, sx2), 7.21 (lH, d, J=8.3Hz), 8.15 (lH, m), 8.03-8.38 (4H, m), 9.15 ~lH, s), 9.20 and 9.34 (lH, sx2) _ 2Q~7i29 M.p. 200-210C (decomposed) 7 -N ~ IR v nujol cm 1 3350, 3200, 1770, 1660 ~ NMR (D2O) ~: 2.57 and 2.66 (lH, dx2, / \ J=18Hz and 18Hz), 3.22 (lH, d, J=18Hz), I
4.97 (lH, d, J=4.9Hz), 5.63 and 5.68 \ (lH, dx2, J=4.9Hz and 4.9Hz), 5.74 (2H, Br br s), 5.91 and 5.96 (lH, sx2), 6.61 and 6.65 ~lH, dx2, J=lOHz and 10Hz), 6.65 anc 6.83 (lH, dx2, J=7.3Hz and 8.3 Hz), 6.88 and 6.93 (lH, sx2), 7.13 and 7.16 (lH, dx2, J=7.3Hz and 8.3Hz), 7.96-8.31 (5H, m), 8.85 (lH, m), 9.13 (lH, m) i M.p. 190-200C (decomposed) 8 ¦ + IR v nujol cm~l 3340, 3200, 1770, 1660, -N ~ max 1610 MS (m/z): 790 (MNa+), 768 (MH+) / \ NMR (D2O) ~: 2.58 and 2.67 (lH, dx2, // J=18Hz and 18Hz), 3.18 and 3.23 (lH, dx2, J=18Hz and 18Hz), 4.95 and 4.97 (lH, dx2, F J=4.9Hz and 4.9Hz), 5.63 and 5.69 (lH, dx2, J=4.9Hz and 4.9Hz), 5.79 (2H, br s), I 5.93 (lH, s), 6.63 and 6.66 (lH, dx2, ! J=9.8Hz and 9.8Hz), 6.71 and 6.87 (lH, dx2, J=8.8Hz and 8.8Hz), 6.90 and 6.93 (lH, sx2), 7.13 and 7.18 (lH, dx2, J=8.8Hz and B.8Hz), 7.85-8.09 (3H, m), 8.20 and 8.29 (lH, dx2, J=9.8Hz and 9.8Hz), 8.43 (lH, m), 8.98 (lH, m), 9.10 (lH, d, J=5.4Hz) ~ M.p. 190-200C (decomposed) 9 + ~ IR v nujol cm~l 3330, 3200, 1770, 1660, -N/ ~) max 1$10 +
~S (m/z): 802 (MNa ~, 780 (~H ) \ NMR (D2O) ~: 2.56 and 2.65 (lH, d, J=18Hz // and 18Hz), 3.14 and 3.17 (lH, dx2, J=18Hz ___\ and 18Hz)~ 3.87 and 3.89 (3H, sx2), 4.95 OCH3 and 4.96 (lH, dx2, J=4.4Hz and 4.4Hz), 5.63 and 5.68 (lH, dx2, J=4.4Hz and 4.4Hz), 5.69 (lH, br s), 5.89 and 5.92 (lH, sx2~, 6.56 and 6.61 (lH, dx2, J=8.8Hz and 9.3 Hz), 6.64 and 6.79 (lH, dx2, J=8.3Hz and 8.3Hz), 6.84 and 6.90 (lH, sx2), 7.11 and 7.15 (lH, dx2, J=8.3Hz and 8.3Hz), 7.40 (lH, m), 7.63 (lH, m)! 7.85 (lH, m), 8.13-8.29 (2H, m), 8.74 (lH, m), 8.87 (lH, m) - 31 - 2~712~

M.p. 195-205C (decomposed) + IR v nujol cm 1 3350, 3200, 1770, i650 -N ~ CH3 max 1600 ~ MS (m/z): 786 (MNa+), 764 (MH+) / \ NMR (D2O) ~: 2.58 and 2.67 (lH, dx2, J=18Hz and 18Hz), 2.89 and 2.90 (3H, sx2), 3.13 and 3.16 (lH, dx2, J=18Hz and 18Hz), 4.92 and 4.94 (lH, dx2, J=4.9Hz and 4.9Hz3, 5.59 (lH, br d, J=14Hz), 5.61 and 5.66 (lH, dx2, J=4.9Hz and 4.9Hz), 5.76 (lH, br d, J=14Hz), 5.91 and 5.93 (lH, sx2), 6.57 and 6.62 (lH, dx2, J=9.8Hz and 9.8Hz), 6.65 and 6.83 (lH, dx2, J=8.3Hz and 8.3Hz), 6.88 and 6.92 (lH, sx2), 7.13 and 7.17 (lH, dx2, J=8.3Hz and 8.8Hz), 7.83 (2H, m), 8.00-8.29 (4H, m), 8.85 (lH, m) l M.p. 195-205C (decomposed) 11 ¦ + IR v nujol cm~l 3350, 3200, 1770, 1650, I -N ~ max 1610 ¦ ~ MS (m/z): 786 (MNa+), 764 (MH+) / \ NMR (D2O) ~: 2.43 and 2.46 (3H, sx2), 2.57 and 2.66 (lH, dx2, J=18Hz and 18Hz), \ 3.13 and 3.15 (lH, dx2, J=18Hz and 18Hz), CH3 4.95 and 4.97 (lH, dx2, J=4.4Hz and 4.4Hz), 5.63 and 5.69 (lH, dx2, J=4.4Hz and 4.4 Hz), 5.69 (2H, br s), 5.90 (lH, s), 6.55 and 6.61 (lH, dx2, J=9.8Hz and 9.8Hz), 6.70 and 6.83 (lH, dx2, J=8.3Hz and 8.3Hz), 6.85 and 6.90 (lH, sx2), 7.10 and 7.17 (lH, dx2, J=8.3Hz and 8.3Hz), 7.78-7.93 (3H, m), 8.13-B.29 (2H, m), 8.78 (lH, m), 9.00 (lH, m) _ M.p. >180C (decomposed) 11 ~-Isomer 1 IR nujol cm~l: 3360, 3200, 1770, 1660, + ~ max 1610 -N ) MS (m/z): 786 (MNa+), 764 ~MH+) ~ NMR (D2O) ~: 2.53 (3H, s), 2.63 (lH, d, / ~ J=18Hz), 3.15 (lH, d, J=18Hz), 4.95 (lH, d, J=4.4Hz), 5.64 (lH, d, J=4.4Hz), 5.67 (lH, d, J=16Hz), 5.82 (lH, d, J=16Hz), CH3 5.91 (lH, s), 6.58 (lH, d, J=9.8Hz), 6.71 (lH, d, J=8.3Hz), 6.95 (lH, s), 7.10 (lH, d, J=8.3Hz), 7.90-7.98 (3H, m), 8.14-8.2 (2H, m), 8.88 (lH, d, J=8.3Hz), 9.02 (lH, d, J=5.9Hz) - 32 - 2 0 ~

*1 M.p. ~180C (decomposed) 11 3-Isomer IR nujol cm~l: 3350, 3200, 1770, 1660, _ ~ MS (m/z): 786 (MNa$), 764 (MH ) NMR (D20) ~: 2.48 (3H, s), 2.54 (lH, d, / ~ J=18Hz), 3.13 (lH, d, J=18Hz), 4.94 (lH, d, J=4.4Hz), 5.68 (lH, d, J=16Hz), 5.69 \ (lH, d, J=4.4Hz), 5.77 (lH, d, J=16Hz), CH3 5 93 (lH, s), 6.64 (lH, d, J=9.8Hz), 6.86' (lH, d, J=8.3Hz), 6.88 (lH, s), 7.18 (lH, d, J=8.3Hz), 7.85-7.93 (3H, m), 8.20 (lH, d, J=9.3Hz), 8.29 (lH, d, J=9.8Hz), 8.82 (lH, d, J=7.3Hz), 8.99 (lH, d, J=6.8Hz) M.p. 185-195C (decomposed) 12 + IR v nujol cm 1 3340, 3200, 1770~ 1650 -N--~ max 1610 MS (m/z): 750 (MH ) \==/ NMR (D2O) ~: 2.71 and 2.74 (lH, dx2, \ J=18Hz and 18Hz), 3.41 (lH, d, J=18Hz), 5.07 and 5.08 (lH, dx2, J=4.4Hz and 4.4Hz), 5.26 and 5.31 ~lH, dx2, J=14Hz and 14Hz), 5.61 (lH, d, J=14Hz), 5.65 and 5.72 (lH, dx2, J=4.4Hz and 4.4Hz), 5.86 and 5.89 (lH, sx2), 6.50 and 6.73 (lH, dx2, J=7.8Hz and 7.8Hz), 6.54 and 6.57 (lH, dx2, J=9.8Hz and 9.8 Hz), 6.85 and 6.89 (lH, sx2), 6.99 and 7.10 (lH, dx2, J=7.8Hz and 7.8Hz), 7.68-8.24 (6H, m), 8.49 (lH, m), 9.59 (lH, br s) M.p. >175C (decomposed) 13 + IR v nujol cm 1 3350, 3200, 1770, 1660, -N ~ max 1610 ~ MS (m/z): 740 (MH+) / ~ NMR (D2O) ~: 2.2g (2H, m), 2.64 and 2.69 (lH, dx2, J=18Hz and 18Hz), 3.11-3.30 (5H, m), 4.96 and 4.98 (lH, dx2, J=4.9Hz and 4.9Hz), 5.21 (lH, d, J=15Hz), 5.36 and 5.38 (lH, dx2, J=15Hz and 15Hz), 5.64 and 5.71 (lH, dx2, J=4.9Hz and 4.9Hz), 5.97 (lH-, s), 6.69 and 6.72 (lH, dx2, J=9.8Hz and 9.8Hz), 6.91 and 7.01 (lH, dx2, J=7.8Hz and 8.3Hz), 6.97 and 6.98 (lH, sx2), 7.19 and 7.23 (lH, dx2, J=7.8Hz and 8.3Hz), 7.68-7.79 (lH, m), 8.23-8.45 (3H, m) _ - ` - 2 (~ 2 ~

M.p. >175C ~decomposed) ¦ 14-~ ~ max 1610 MS (m/z): 754 (MH+) NMR ~D~O) ~: 1.79-1.91 (4H, m), 2.63 and 2.67 (-H, dx2, J=18Hz and 18Hz), 2.93 (4H, m), 3.15 and 3.17 (lH, dx2, J=i8Hz and 18Hz), 4.97 and 4.98 (lH, dx2, J=4.9Hz and 4.9Hz), 5.23 (2H, br s), S.64 and 5.71 (lH, dx2, J=4.9Hz and 4.9Hz), 5.97 (lH, s), 6.69 and 6.73 (lH, dx2, J=9.8Hz and 9.8Hz), 6.89 and 7.00 (lH, dx2, J=7.3Hz and 7.8Hz), 6.96 and 6.97 (lH, sx2), 7.20 and 7.24 ~lH, dx2, J=7.3Hz and 7.8Hz), 7.60-7.78 (lH, m), 8.14 (lH, m), 8.26 and 8.35 (lH, dx2, J=9.8Hz and 9.8Hz), 8.47 (l~i, d, J=6.3Hz) M.p. >160C (decomposed) 15-N ~ max cm : 3350, 3200, 1770 1660 MS (m/z): 790 (MNa+), 768 (MH+) NMR (D2O) ~: 1.50-1.90 (6H, m), 2.58 and V 2.63 (lH, dx2, J=18Hz and 18Hz), 2.90-3.30 (5H, m), 4.93 (lH, m), 5.34, 5.73 (2H, ABq, J=17Hz), 5.61 and 5.67 (lH, dx2, J=4.4Hz and 4.4Hz), 5.97 (lH, s), 6.71 and 6.74 (lH, d, J=9.8Hz and 9.8Hz),l 6.94 and 7.02 (lH, dx2, J=8.3Hz and 8.3Hz), 6.99 (lH, s), 7.20 and 7.24 (lH, dx2, J=8.3Hz and 8.3Hz), 7.70 (lH, m), 8.21 (lH, d, J=9.3Hz), 8.26 ad 8.35 (lH, dx2, J=9.8Hz and 9.8Hz), 8.50 (lH, d, J=5.4Hz) M.p. >160C (decomposed) 16-N ~ max 1610 ~ MS (m/z): 736 (MNa+), 714 (MH+) CH NMR (D2O) ~: 2.61 and 2.66 (lH, dx2, 3 J=18Hz and 18Hz), 2.79 and 2.80 (3H, sx2), 3.21 and 3.24 (lH, dx2, J=18Hz and 18Hz), 4.96 and 4.99 (lH, dx2, J=4.9Hz and 4.9Hz), 5.27 (lH, d, J=lSHz), 5.45 (lH, d, J=15Hz), 5.63 and 5.71 (lH, dx2, J=4.9Hz and 4.9Hz), 5.98 (lH, s), 6.70 and 6.73 (lH, dx2, J=9.8Hz and 9.8Hz~, 6.90 and 7.01 (lH, dx2, J=8.3Hz anà
8.3Hz), 7.00 (lH, s), 7.18 and 7.23 ~lH, dx2, J=8.3Hz and 8.3Hz), 7.91 (2H, m), 8.22-8.46 (2H, m), 8.67 (lH, d, J=5.9Hz) _ _ _ _ _ . . . _ .

- 34 ~ 2~7129 M.p. >175C (decomposed) 17 + IR v nujol cm-l 3360, 3200, 1770, 1660 -N ~ ~ max 1640, 1610 MS (m/z): 752 (MNa+), 730 (MH+) / NMR (D2O) ~: 2.76 and 2.81 ~lH, dx2, OCH3 J=18Hz and 18Hz), 3.17 and 3.20 (lH, dx2, J=18Hz and 18Hz), 4.24 (3H, s), 4.87 (lH, s, J=4.9Hz), 4.90 (lH, d, J=15Hz), 5.60 and 5.67 (lH, dx2, J=4.9Hz and 4.9Hz), 5.66 (lH, d, J=15Hz), 5.98 (lH, s), 6.71 and 6.73 (lH, dx2, J=9.8Hz and 9.8Hz), 6.99 (lH, s), 7.00 and 7.04 (lH, dx2, J=8.3Hz and 8.3Hz), 7.21 ad 7.24 (lH, dx2, J=8.3Hz and 8.3Hz), 7.46-7.57 (2H, m), 8.26 and 8.34 (lH, dx2, J=9.8Hz and 9.8Hz), 8.34-8.46 (2H, m) l M.p. >175C (decomposed) 18 -N ~ IR v nujol cm 1 3340, 3200, 1770, 1660, MS (m/z): 736 (MNa+), 714 (MH+) \ NMR (D2O) ~: 2.52 and 2.55 (3H, sx2), CH3 2.59 and 2.65 (lH, dx2, J=18Hz and 18Hz), 3.35 and 3.36 (lH, dx2, J=18Hz and 18Hz), 4.99 and 5.00 (lH, dx2, J=4.9Hz and 4.9Hz), 5.21 and 5.24 (lH, dx2, J=15Hz and 15Hz), 5.44 (lH, d, J=15Hz), 5.63 and 5.71 (lH, dx2, J=4.9Hz and 4.9Hz), 5.96 (lH, s), 6.69 (lH, d, J=9.8Hz), 6.83 and 7.13 (lH, dx2, J=8.3Hz and 8.3Hz), 6.99 (lH, s), 7.22 (lH, d, J=8.3Hz), 7.95 (lH, m), 8.23 and 8.32 (lH, dx2, J=9.8Hz and 9.8Hz), 8.31-8.40 (lH, m), 8.70 (lH, d, J=7.8Hz), 8.72 (lH, br s) _ M.p. >180C (decomposed) 19 -N ~ IR v nu~ol cm 1 3340, 3200, 1770, 1660, MS (m/z): 621 (MH+-3-cyanopyridine) \ NMR (D2O) ~: 2.69 and 2.76 (lH, dx2, CN J=18Hz and 18Hz), 3.45 and 3.47 (lH, d`x2, J=18Hz and 18Hz), 5.02 and 5.03 (lH, dx2, J=4.9Hz and 4.9Hz), 5.33 and 5.34 (lH, dx2, J-14Hz and 14Hz), 5.66 (lH, d, J=14Hz), 5.66 and 5.74 (lH, dx2, J=4.9Hz and 4.9Hz), 5.96 (lH, s), 6.69 (lH, d, J=9.3Hz), 6.88 and 7.00 (1~, dx2, J=8.3H
and 8.3Hz), 6.99 (lH, s), 7.16 and 7.22 (lH, dx2, J=8.3Hz and 8.3Hz), 8.21-8.38 (2H, m), 8.99 (lH, br d), 9.25 (lH, d, J=4.9Hz), 9.56 (lH, br d) - 35 - 20~129 IM.P. ~175C (decomposed) + ~/ IR v nujol cm-l 3330, 3200, 1770~ 1740 -N ~ max 1650, 1610 MS (m/z): 780 (MNa+), 758 (~H+) NMR (D2O) ~: 2.66 and 2.75 (lH, dx2, COOCH J=18Hz and 18Hz), 3.46 and 3.47 (lH, dx2, 3 J=18Hz and 18Hz), 4.01 and 4.04 (3H, sx2), 5.03 and 5.04 (lH, dx2, J=4.9Hz and 4.9Hz), 5.28 and 5.33 (lH, dx2, J=15Hz and 15Hz), 5.61 (lH, d, J=15Hz), 5.65 and 5.72 (lH, dx2, J=4.9Hz and 4.9Hz), 5.94 (lH, s), 6.66 and 6.68 (lH, dx2, J=9.8Hz and 9.8Hz), 6.83 and 6.97 (lH, dx2, J=8.3Hz and 8.3Hz); 6.93 and 6.95 (lH, I sx2), 7.14 and 7.20 (lH, dx2, J=8.3Hz and 8.3Hz), 8.17-8.23 (lH, m), 8.24 and 8.31 (lH, dx2, J=9.8Hz and 9.8Hz), 8.98-9.05 (lH, m), 9.14 (lH, d, J=6.4Hz), 9.55 (lH, i br s) M.p. >160C (decomposed) 21 + IR v nujol cm 1 3340, 3200, 1770, 1660, -N ~ max 1610 MS (m/z): 750 (MNa+), 728 (MH+) NMR ~D2O) ~: 2.50 ~3H, s), 2.68 (4H, m), CH3 CH3 3.13 and 3.15 (lH, dx2, J=18Hz and 18Hz), 4.95 and 4.98 (lH, dx2, J=4.9Hz and 4.9Hz), 5.27-5.56 (2H, m), 5.63 and 5.70 (lH, dx2, J=4.9Hz and 4.9Hz), 5.98 (lH, s), 6.70 and 6.73 (lH, dx2, J=9.8Hz and 9.8Hz), 6.92 and 7.01 (lH, dx2, J=8.3Hz and 8.3Hz), 6.99 (lH, s), 7.20 and 7.23 (lH, dx2, J=8.3Hz and 8.3Hz), 7.77 (lH, m), 8.24 (lH, m), 8.26 and 8.31 (lH, dx2, J=9.8Hz and 9.8Hz), 8.50 (lH, d, J=5.7Hz) - 36 - 2 ~ 7 M.p. >160C ~decomposed) 22 + IR nujol cm~l: 3350, 3200/ 1770, 1660, -N ~ CH3 max 1610 ~==/ MS (m/z): 750 (MNa ), 728 (MH ) CH NMR (r~20) ~: 2.35 and 2.41 (3H, sx2), 3 2.48 and 2.53 (3H, sx2), 2.63 and 2.65 (lH, dx2, J=18Hz and 18Hz), 3.34 (lH, d, J=18Hz), 5.00 (lH, d, J=4.9Hz), 5.10 and 5.14 ~lH, dx2, J=14Hz and 14Hz), 5.35 (lH, d, J=14Hz), 5.62 and 5.69 (lH, dx2, J=4.9Hz and 4.9Hz), 5.94 and 5.95 (lH, sx2), 6.68 (lH, d, J=lOHz), 6.73 and 6.95 (lH, dx2, J=8.3Hz and 8.3Hz), 6.92 and 6.97 (lH, sx2), 7.11 and 7.21 (lH, dx2, J=8.3Hz and 8.3Hz), 7.73 and 7.79 (lH, dx2, J=6.4Hz and 6.4Hz), 8.24 and 8.32 (lH, dx2, J=lOHz and lOHz), 8.51 (lH, d, J=6.4Hz), 8.53 (lH, s) . _ M.p. 185-190C (decomposed) 23 + IR nujol cm~l: 3350, 3200, 1770, 1660, _ ~ max 1610 MS (m/z): 740 (MNa+), 718 (MH+) NMR (D20) ~: 2.65 and 2.71 (lH, dx2, F J=18Hz and 18Hz), 3.40 and 3.42 (lH, dx2, J=18Hz and 18Hz), 5.00 and 5.01 (lH, dx2, J=4.9Hz and 4.9Hz), 5.29 and 5.32 (lH, dx2, J=15Hz and 15Hz), 5.59 (lH, d, J=15Hz), 5.64 and 5.73 (lH, dx2, J=4.9Hz and 4.9Hz), 5.96 (lH, s), 6.69 (lH, d, J=9.8Hz), 6.85 and 7.00 (lH, dx2, J=8.3Hz and 8.3Hz), 6.99 (lH, s), 7.14 and 7.22 (lH, dx2, J=8.3Hz and 8.3Hz), 8.18 (lH, m), 8.24 and 8.32 (lH, dx2, J=9.8Hz and 9.8Hz), 8.50 (lH~ m), 8.87 (lH, d, J=5.4Hz), 9.11 (lH, br s) _ 37 _ 2Q~7129 M.p. >180C (decomposed) ?4 IR ~ nujol cm 1 3350, 3200, 1770, 1660, max 1610 Cl MS (m/z): 6a4 (MNa+-3-chloro-5-+ ~ methoxypyridine) -N \~ 621 (MH+-3-chloro-5-~==J methoxypyridine) \ NMR (D2O) ~: 2.67 and 2.73 (lH, dx2, OCH3 J=18Hz and 18Hz), 3.43 (lH, d, J=18Hz), 3.95 and 4.01 (3H, sx2), 5.04 (lH, d, J=4.9Hz), 5.14 and 5.19 ~lH, dx2, J=15Hz and 15Hz), 5.50 (lH, d, J=lSHz), I 5.65 and 5.71 (lH, dx2, J=4.9Hz and 4.9Hz), 5.95 (lH, s), 6.69 and 6.70 (lH, dx2, J=9.8Hz and 9.8Hz), 6.85 and 6.98 (lH, dx2, J=8.3Hz and 8.3Hz), 6.94 and 6.96 (lH, sx2), 7.17 and 7.22 (lH, dx2, J=8.3Hz and 8.3Hz), 8.15 (lH, m), 8.25 and 8.33 (lH, dx2, J=9.8Hz and 9.8Hz), 8.69 (2H, m) _ M.p. >190C (decomposed) 25-N ~ max 1610 MS (m/z): 765 (MNa+), 743 (MH+) \ NMR (D2O) ~: 2.63 and 2.71 (lH, dx2, CONH2 J=18Hz and 18Hz), 3.42 (lH, br d, J=18Hz), 5.01 (lH, m), 5.29 and 5.32 (lH, dx2, J=14Hz a~d 14Hz), 5.61 (lH, d, J=14Hz), 5.63 and 5.72 (lH, dx2, J=4.9Hz and 4.9Hz), 5.95 (lH, s), 6.66 and 6.68 (lH, dx2, J=3.8Hz and 9.8Hz), 6.77 and 6.96 (lH, dx2, J=8.3Hz and 8.3Hz), 6.97 (lH, s), 7.11 and 7.20 (lH, dx2, J=8.3Hz and 8.3Hz), 8.19-8.32 (2H, m), 8.91 (lH, m), 9.11 (lH, d, J=5.9Hz), 9.37 (lH, s) _ _ 3~ _ 2~ 71 ~3 M.p. >175C (decomposed) 26 + ~ IR nujol cm~l: 3350, 3200, 1770, 1660, -N \~ max 1610 MS (m~z): 758 (MNa++2), 756 (M+Na+), 736 (MH +2), 734 (NH ) Cl NMR (D2O) ~: 2.66 and 2.71 (lH, dx2, J=18Hz and 18Hz), 3.41 and 3.42 (lH, dx2, J=18Hz and 18Hz), 5.01 and 5.02 (lH, dx2, J=4.9Hz and 4.9Hz), 5.24 and 5.26 (lH, dx2, J=lSHz and lSHz), 5.55 (lH, d, J=lSHz), 5.65 and 5.73 (lH, dx2, J=4.9Hz and 4.9Hz), 5.96 (lH, s), 6.69 (lH, d, J=9.8Hz), 6.85 and 7.00 (lH, dx2, J=8.3Hz and 8.3Hz), 6.97 (lH, s), 7.15 and 7.22 (lH, dx2, J=8.3Hz and 8.3Hz), 8.03-8.13 (lH, m), 8.23 and 8.32 (lH, dx2, J=9.8Hz and 9.8Hz), 8.59-8.66 (lH, m), 8.91 (lH, d, J=6.4Hz), 9.14 (lH, br s) .
M.p. >170C (decomposed) 26 -Isomer 2 IR nujol cm~l: 3350, 3200, 1770, 1660, max 1610 + ~ MS (m/z): 758 (MN+a++2), 756 (MNa+), -N ~ 736 (MH +2), 734 (MH+) NMR (D2O) ~: 2.69, 3.42 (2H, ABq, C J=18Hz), S.01 (lH, d, J=4.9Hz), 5.27, 1 5.56 (2H, ABq, J=14Hz), 5.64 (lH, d, J=4.9Hz), 5.96 (lH, s), 6.69 (lH, d, J=9.8Hz), 6.85 (lH, d, J=7.8Hz), 7.01 (lH, s), 7.15 (lH,d, J=7.8Hz), 8.12 (lH, dd, J=8.3Hz, 5.9Hz), 8.22 (lH, d, J=9.8Hz), 8.67 (lH, d, J=8.3Hz), 8.92 (lH, d, J=5.9Hz), 9.14 (lH, s) _ 39 _ 2 ~ ~ 7 ~

M.p. >170C (decomposed) 26~-Isomer 2 1610 + ,,--~ MS (m/z): 736 ~MNat), 734 ~MH+) -N' ~ NMR (~2O) ~: 2.63, 3.41 ~2H, ABq, ~=~/ J=18Hz), 5.00 ~lH, d, J=4.9Hz), 5.26, \ 5.56 (2H, ABq, J=14Hz), 5.72 ~lH, d, Cl J=4.9Hz), 5.97 ~lH, s), 6.71 (lH, d, J=g.8Hz), 7.00 (lH, s), 7.02 (lH, d, J=7.8Hz), 7.23 ~lH, d, J=7.8Hz), 8.10 (lH, dd, J=8.3Hz, 5.9Hz), 8.33 (lH, d, J=9.8Hz), 8.63 (lH, d, J=8.3Hz), 8.91 _ (lH, d, J=5.9Hz), 9.15 (lH, s) *1: Each isomer is isolated by high performance liquid chromatography [solid phase; C18-silica gel (YMC-Pack S-343), eluent; acetonitril/30 mM phosphate buffer (pH 7.0) = 1 : 9)].
*2: Each isomer is isolated by high performance liquid chromato~raphy [solid phase; C18-silica gel (YMC-Pack D-ODS-10), eluent; acetonitril/30 mM phosphate buffer (pH 7.0) = 6 : 94].

~7129 -- .. o Example 27 (1) To dimethylformamide (0.38 g) are added dropwise phosphorus oxychloride ~0.48 g) and methylene chloride (2.2 ml) with ice-cooling under argon atmosphere, and the mixture is stirred at room temperature ~or 1.5 hour, and cooled to -55 to -50C. To the mixture is added dropwise a solution of 2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-~uinolin-5-yl)~diphenylmethyloxy-carbonyl)methyloxyimino]acetic acid (2.2 g) in methylene chloride (54 ml). The mixture is stirred at -65 to -55C
for 1.5 hour, and then at -55 to -50C for 30 minutes (the resulting solution is referred to as "Reaction solution A"). Separately, bis(trimethylsilyl)acetamide (3.08 g) is added to a suspension of 7B-amino-3-(3-amino-2-meth pyridiniomethyl)-3-cephem-4-carboxylate (1.57 g) in methylene chloride (32 ml) with ice-cooling under argon atmosphere, and the mixture is stirred at the same temperature for two hours (the resulting solution is referred to as "Reaction solution B"). The Reaction solution B is added dropwise to the Reaction solution A, and the mixture is stirred at -55 to -30C for 40 minutes, and then at -30C for 1.5 hour. After completion of the reaction, the mixture is poured into water, and evaporated to remove methylene chloride. The resulting precipitates are collected by filtration, washed with water, and dried.
The resulting residue is added to a mixture of anisole (10 2~7~29 ml) and trifluoroacetic acid (10 ml) at 15 to 20C, and the mixture is stirred at room temperature for two hours. To the mixture is added isopropyl ether (180 ml) under ice-coolin~, and the mixture is stirred for 15 minutes. The precipitates are collected by filtration, washed with isopropyl ether, dried, and suspended in water. The pH
value of this suspension is adj~sted to pH 7.7 with saturated aqueous sodium hydrogen carbonate solution, and purified by HP-20 column chromatography (eluent; water and 20 % aqueous methanol). The fractions containing the desired compound are combined, concentrated, and lyophilized to give 7B-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin~5-yl)(carboxy)methyloxyimino]acetamido}-3-(3-amino-2-methyl-1-pyridiniomethyl)-3-cephem-4-carboxylic acid sodium salt (0.75 g) as li~ht yellow powder.
M.p. >160C (decomposed) IR (Nujol): 3360, 3200, 1770, 1650, 1610 cm 1 MS (m/z): 751 ~MNa+), 729 (MH+) NMR (D2O) ~: 2.50 and 2.52 (3H, sx2), 2.54 and 2.57 (lH, dx2, J=17Hz and 18Hz), 3.06 and 3.09 (lH, dx2, J=17Hz and 18Hz), 4.92 and 4.g5 (lH, dx2, J=4.4Hz and 4.4Hz), 5.22 (lH, d, J=15Hz), 5.50 and 5.51 (lH, d, J=15Hz and 15Hz), 5.60 and 5.68 (lH, dx2, J=4.4Hz and 4.4Hz), 5.99 (lH, s), 6.71 ~nd 6.74 (lH, dx2, 3=9.8Hz and 9.8Hz), 6.91 and 7.01 (lH, dx2, J=8.3Hz and 8.3Hz), 7.01 (lH, s), 7.18 and 7.22 2V~7~2~
- 4~ -(lH, d~2, J=8.3Hz and 8.3Hz), 7.52-7.62 (lH, m), 7.69 and 7.71 (lH, dx2, J=8.3Hz and 8.3Hz), 8.00 (lH, d, J=6.3Hz), 8.24 and 8.34 (lH, d, J=9.8Hz and 9.8Hz) (2) The product (70 mg) obtained above is subjected to high performance liquid chromatography to isolate each isomer, and purified by HP-20 column chromatography to give ~-isomer and B-isomer, separately.
Rt of ~-isomer: 45 minutes Rt of 3-isomer: 75 minutes [Conditions]
Solid phase; C18-silica gel (tradename: YMC-Pack D-ODS-10) Eluent; Acetonitril : 30 mM phosphate buffer (pH 7.0) =
6 : 94 Flow rate; 5 ml/minute ~-Isomer Yield: 20 mg M.p. >160C (decomposed) IR (Nujol): 3360, 3200, 1770, 1650, 1610 cm 1 MS (m/z): 751 (MNa+), 729 (MH+) NMR (D2O) ~: 2-52 (3H, s), 2.57, 3.09 (2H, ABq, J=18Hz), 4.95 (lH, d, J=4.4Hz), 5.22, 5.51 (2H, ABq, J=15Hz), 5.60 (lH, d, J=4.4Hz), 5.98 (lH, s), 6.71 (lH, d, J=9.8Hz), 6.91 (lH, d, J=8.3Hz), 7.01 (lH, s), 7.18 (lH, d, J=8.3Hz), 7.59 (lH, dd, J=8.3Hz, 5.9Hz), 7.71 (lH, d, J=8.3Hz), 8.00 (lH, d, J=5.9Hz), 8.24 (lH, d, J=9.8Hz) ~-Isomer - ~3 - 2 ~ 7~ 2 Yield: 20 mg M.p. >160C (decomposed) IR ~Nujol): 3360, 3200, 1770, 1660, 1610 cm 1 MS (m/z): 751 (!~Na+), 729 (MH+) NMR (D2O) ~: 2.50 (3H, s), 2.54, 3.06 (2H, ABq, J=17Hz), 4.92 (lH, d, J=4.4Hz), 5.22, 5.50 (2H, ABq, J=15Hz), 5.68 (lH, d, J=4.4Hz), 5.99 (lH, s), 6.74 (lH, d, J=9.8Hz), 7.01 (lH, s), 7.01 (lH, d, J=8.3Hz), 7.22 (lH, d, J=8.3Hz), 7.56 (lH, dd, J=7.8Hz, 6.3Hz), 7.69 (lH, d, J=7.8Hz), 8.00 (lH, d, J=6.3Hz), 8.34 (lH, d, J=9.8Hz) Examples 28 - 33 2-(2-Tritylaminothiazol-4-yl)-2-[(8-diphenylmethyl-oxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)-methyloxyimino]acetic acid and the corLesponding starting compounds are treated in the same manner as in Example 27 except that the removal of the protecting groups are carried out by using 80 % aqueous formic acid solution to give the compounds oF the following Table 2.

_ ~4 - 2~7129 Table 2 In the following Table 2, R5 is COO in Examples 28 - 31, and COONa in Examples 32 - 33.

4 N ~ C-CONH ~ -CH2-R4 O R
I

CH-COONa N ~ O
OH H

Ex.¦ Compound No. ¦ Physicochemical properties M.p. >170C (decomposed) 28 IR v nujol cm 1 3340, 3200, 1770~ 1650 OCH3 MS ~m/z): 767 (MNa$), 745 (MH ) + ~ NMR (D2O) ~: 2.58 and 2.62 (lH, dx2, -N \) J=18Hz and 18Hz), 3.32 (lH, d, J=18Hz), 3.83 and 3.88 (3H, sx2), 4.70-4.90 (lH), 5.00 (lH, d, J=4.9Hz), 5.26 (lH, d, NH2 J=15Hz), 5.61 and 5.68 (lH, dx2, J=4.9Hz and 4.9Hz~, 5.95 and 5.96 (lH, sx2), 6.68 and 6.69 (lH, dx2, J=9.8Hz and 9.8Hz), 6.80 and 6.96 (lH, dx2, J=7.8Hz and 7.8Hz), 6.96 and 6.97 (lH, sx2), 7.10 and 7.15 (lH, br sx2), 7.14 and 7.21 (lH, dx2, J=7.8Hz and 7.8Hz), 7.78 (lH, br s), 7.82 (lH, br s), 8.23 and 8.31 (lH, dx2, J=9.8Hz and 9.8Hz) - 45 ~ 29 l M.p. >150C (decomposed) 29 ¦ + IR nujol cm~l: 3380, 3200, 1770, 1660, I _ ~ r~lax 1610 ¦ / ~ \ ~S (m/z): 779 (MNa+), 757 ~MH+) j NHCHO NMR (D2O) ~: 2.54 and 2.66 (lH, dx2, CH3 J=18Hz and 18Hz), 3.22 and 3.26 (lH, dx2, J=18Hz and 18Hz), 2.73 (3H, s), 4.96 and 5.00 (lH, dx2, J=4.9Hz and 4.9Hz), 5.37 l and 5.39 (lH, dx2, J=16Hz and 16Hz), 5.54 i (lH, d, J=16Hz), 5.64 and 5.70 (lH, dx2, J=4.9Hz and 4.9Hz), 5.99 (lH, s), 6.72 and 6.74 (lH, dx2, J=9.8Hz and 9.8Hz), 6.93 and 7.02 (lH, dx2, J=8.3Hz and 8.3Hz), 7.02 (lH, s), 7.19 and 7.22 (lH, dx2, J=8.3Hz and 8.3Hz), 7.90-8.02 (lH, m), 8.25 and 8.34 (lH, dx2, J=9.8Hz and 9.8Hz), 8.50 (lH, s), 8.63 and 8.67 (lH, dx2, J=5.9Hz and 6.4Hz), 8.73 llH, d, J=8.3Hz) M.p. >150C (decomposed) 29~-Isomer* IR v nujol cm 1 3370, 3200, 1770, 1660, max 1$10 +
+ ~ MS (m/z): 779 (MNa ), 757 (~H ) -N' ~) NMR (D~O) ~: 2.66, 3.25 (2H, ABq, / ~ J=18Hz~, 2.73 (3H, s), 5.00 (lH, d, NHCHO J=4.9Hz), 5.37, 5.54 (2H, ABq, J=16Hz), CH3 5.64 (lH, d, J=4.9Hz), 5.98 (lH, s), 6.7 (lH, d, J=9.8Hz), 6.93 (lH, d, J=8.3Hz), 7.02 (lH, s), 7.19 (lH, d, J=8.3Hz), 7.9 (lH, dd, J=8.3Hz, 5.9Hz), 8.25 (lH, d, J=9.8Hz), 8.49 (lH, s), 8.63 (lH, d, J=5.9Hz), 8.73 (lH, d, J=8.3Hz) M.p. >150C (decomposed) 29~-Isomer* IR nujol cm-l: 3380, 3200, 1770, 1660, max 1$10 +
+ fi--~ MS (m/z): 779 (MNa ), 757 (MH ) N" NMR (D O) ~: 2.54, 3.22 (2H, ABq, ~ \ J=18Hz~, 2.73 (3H, s), 4.96 (lH, d, / NHCHO J=4.9Hz), 5.39, 5.53 (2H, ABq, J=16Hz~, CH3 5.70 (lH, d, J=4.9Hz), 5.99 (lH, s), 6.7 (lH, d, J=9.8Hz), 7.02 (lH, s), 7.02 (lH, d, J=8.3Hz), 7.22 (lH, d, J=8.3Hz), 7.95 (lH, dd, J=8.8Hz, 6.4Hz), 8.34 (lH, d, J=9.8Hz), 8.50 (lH, s), 8.67 (lH, d, J=6.4Hz), 8.72 (lH, d, J=8.8Hz) _ - ~6 - 2 ~ a 7 l M.p. >165C (decomposed) 30 1 + IR v nujol cm~l: 3300, 3200, 1770, 1660, -N ~ max 1610 MS (m/z): 752 (MNa+), 730 (MH+) CH OH NMR (~2) ~: 2.61 and 2.67 (lH, dx2, 2 J=18Hz and 18Hz), 3.36 and 3.38 (lH, dx2, J=18Hz and 18Hz), 4.88 and 4.90 (2H, sx2), 4.99 and 5.00 (lH, dx2, J=4.9Hz anc 4.9Hz), 5.25 and 5.27 (lH, dx2, J=14Hz and 14Hz), 5.52 (lH, d, J=14Hz), 5.63 anc 5.71 (lH, dx2, J=4.9Hz and 4.9Hz), 5.96 (lH, s), 6.69 (lH, d, J=9.8Hz), 6.82 and 6.99 (lH, dx2, J=8.3Hz and 8.3Hz), 6.99 (lH, s), 7.12 and 7.21 (lH, dx2, J=8.3Hz and 8.3Hz), 8.07 (lH, m), 8.22 and 8.31 (lH, dx2, J=9.8Hz and 9.8Hz), 8.51 (lH, m), 8.83 (lH, d, J=5.9Hz), 8.92 (lH, s) _ M.p. ~170C (decomposed) 31 OCH IR v nujol cm-l 3350, 3200, 1770, 1660, ~ 3 max 1610 + ~ MS (m/z): 795 (MNa+), 773 (MH+) -N ~) NMR (D2O) ~: 2.61 and 2.71 (lH, dx2, J=18Hz and 18Hz), 3.40 and 3.44 (lH, dx2, \ J=18Hz and 18Hz), 3.92 and 3.95 (3H, NHCHO sx2), 5.03-5.07 (2H, m), 5.49 (lH, d, J=14Hz), 5.62 and 5.71 (lH, dx2~ J=4.9Hz and 4.4Hz), 5.94 tlH, 5), 6.64 and 6.69 (lH, dx2, J=9.8Hz and 9.8Hz), 6.77 and 6.93 (lH, dx2, J=8.3Hz and 8.3Hz), 6.91 and 6.93 (lH, sx2), 7.13 and 7.21 (lH, dx2, J=8.3Hz and 8.3Hz), 7.94 and 8.01 (lH, br sx2), 8.22-8.45 (3H, m), 8.97 anc 9.00 (lH, br sx2) ~7 20~7129 M.p. 175-185C (decomposed) 32 ~ INN max cm : 3340, 3200, 1760 1650 - S ~ MS (m/z): 783 (MNa+), 761 (~H+) NMR (D2O) ~: 2.91 and 2.94 (lH, dx2, J=18Hz and 18Hz), 3.33 and 3.37 (lH, dx2, J=18Hz and 18Hz), 3.90, 4.28 and 3.98 (2H, ABq, J=14Hz and br s), 4.89 and 4.91 (lH, dx2, J=4.4Hz and 4.4Hz), 5.48 and 5.56 (lH, dx2, J=4.4Hz and 4.4Hz), 6.00 (lH, s), 6.67 and 6.75 (lH, dx2, J=9.8Hz and 9.8Hz), 6.92 and 6.99 (lH, dx2, J=7.8Hz and 8.3Hz), 7.02 and 7.04 (lH, sx2), 7.16 and 7.25 (lH, dx2, J=8.3Hz anc 7.8Hz), 8.28 and 8.36 (lH, dx2, J=9.8Hz and 9.8Hz), 8.59 and 8.67 (lH, sx2) M.p. 195-205C (decomposed) 33 ~ I max 1600 -S/ N~ N MS (m/z): 781 (MNa+), 759 (MH+) l NMR (D2O) ~: 2.95 and 2.97 (lH, dx2, CH3 J=18Hz and 18Hz), 3.44 (lH, br d, J=18Hz), 3.97 and 4.01 (lH, dx2, J=14Hz and 13Hz), 4.02 (3H, s), 4.18 and 4.28 (lH, dx2, J=13Hz and 14Hz), 4.87 and 4.88 (lH, dx2, J=4.9Hz and 4.4Hz), 5.50 and 5.60 (lH, dx2, J=4.9Hz and 4.4Hz), 6.00 (lH, s), 6.77 (lH, d, J=9.8Hz), 7.02 and 7.03 (lH, sx2), 7.06 and 7.08 (lH, dx2, J=7.8Hz and 7.8Hz), 7.22 and 7.26 (lH, dx2, J=7.8Hz and 7.8Hz), 8.28 and 8.37 (lH, dx2, J=9.8Hz and 9.8Hz) _ *: The isomers are isolated by high performance liquid chromatography [solid phase: C18-silica gel (YMC-Pack D-ODS-10), eluent: acetonitril/30 mM phosphate buffer (pH 7.0) = 6 : 94].

_ 4~ ~ 2~7129 Exam~le 34 ~ mixture of 4-(7-amino-3-methyl-3-cephem-4-carboxymethyl)anisole (502 mg), 2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-1~-quinolin-5-yl)-(diphenylmethyloxycarbonyl)methyloxyimino]acetic acid (979 mg), dicyclohexylcarbodiimide (227 mg), butyl alcohol (149 mg) and tetrahydrofuran (15 ml) is stirred at room temperature for 18 hours. The precipitates are removed by filtration, and the filtrate is concentrated, and the residue is purified by silica gel column chromatography (eluent; toluene/ethyl acetate = 1 : 1). The resulting foamy product is dissolved in anisole (5 ml), and thereto is added dropwise trifluoroacetic acid (5 ml) under ice-cooling, and the mixture is stirred at room temperature for two hours. To the reaction mixture is added a mixture of isopropyl ether (100 ml) and hexane (30 ml), and the precipitates ~re collected by filtration, washed with isopropyl ether, dried, and dissolved in water. The pH
value of the mixture is adjusted with saturated aqueous sodium hydrogen carbonate solution to about pH 8.0, and purified by HP-20 column chromatography (eluent; water and 20 % aqueous methanol). The fractions containing the desired compound are combined, concentrated, and lyophilized to give 7~-~(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-l~-quinolin-5-yl)(carboxy)methyoxyimino]acetamido}-3-methyl-3 cephem-4-carboxylic acid disodium salt (400 mg) as light - 49 ~ 7 1 2 ~

yellow powder.
M.p. 185 - 210C (decomposed) IR (Nujol): 3320, 3200, 1755, 1650, 1600 cm 1 MS (m/z): 645 ~MH+) NMR (D2O) ~: 1.87 and 1.88 (3H, sx2), 2.74 and 2.76 (1~, dx2, J=18Hz), 3.30 ~lH, dx2, J=18Hz), 4.87 and 4.88 (lH, dx2, J=4.5Hz), 5.49 and 5.58 (lH, dx2, J=4.5Hz), 5.98 and 5.99 (lH, sx2), 6.76 and 6.77 (lH, dx2, J=9.8Hz), 7.02 and 7.03 (lH, sx2), 7.04 and 7.05 (lH, dx2, J=8Hz), 7.22 and 7.24 (lH, dx2, J=8Hz), 8.29 and 8.37 (lH, dx2, J=9.8Hz) Examples 35 - 36 The corresponding starting compounds and 2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)methyloxyimino]-acetic acid are treated in the same manner as in Example 34 to give the compounds of the following Table 3.

_ 50 - ~a~7~23 Table 3 S ~ ~ O ~ ~ R4 O COONa I

CH-COONa ~ ~0 ¦ H
OH

Ex. Compound No. _ R4 ¦ Physicochemical properties _ M.p. 165-175C (decomposed) H IR nujol cm~l: 3320, 3200, 1760, 1650, max 1605 MS (m/z): 630 (MH+) NMR (D2O) ~: 2.95 and 3.01 (lH, ddx2, J=18Hz and 7Hz), 3.37 and 3.40 (lH, ddx2, J=18Hz and 2.5Hz), 4.89 and 4.90 (lH, dx2, J=5Hz), 5.60 and 5.69 (lH, dx2, J=5Hz), 5.99 (lH, s), 6.22 (lH, m), 6.75 and 6.77 (lH, dx2, J=lOHz), 7.02 and 7.03 (lH, sx2), 7.04 and 7.05 (lH, dx2, J=8Hz), 7.22 and 7.25 (lH, dx2, J=8Hz), 8.28 and 8.36 (lH, dx2, J=lOHz) _ M.p. 180-187C (decomposed) 36 -CH=CH2 IR ~ nujol cm 1 3340, 3200, 1760, 1650 MS (m/z): 657 (MH+) NMR (D O) ~: 3.16 and 3.18 (1~, dx2, J=18Hz~, 3.32 and 3.34 (lH, dx2, J=18Hz), 4.93 and 4.95 (lH, dx2, J=SHz), 5.27 (lH, dx2, J=llHz), 5.40 (lH, dx2, J=17.5Hz), 5.54 and 5.63 (lH, dx2, J=5Hz), 5.99 and 6.00 (lH, sx2), 6.77 (lH, d, J=lOHz), 6.8 (lH, m), 7.02 and 7.04 (lH, sx2), 7.04 and 7.08 (lH, dx2, J=8Hz), 7.23 and 7.26 (lH, dx2, J=8Hz), 8.30 and 8.38 (lH, dx2, J=lOHz) _ - 51 - 2~J~7129 E~ample 37 (1) A mixture of S-oxalo-8-benzyloxycarbostyril ~3.23 g), wet 10 % palladium-carbon (4 g, moisture: 50 %), and a mixture of tetrahydrofuran (100 ml), water (50 ml) and acetic acid (50 ml) is shaken at 45C for 40 hours under 4 atoms of hydrogen, and then the catalyst is removed by filtration. The catalyst is washed with aqueous tetrahydrofuran, and the washings and the filtrate are combined and evaporated to remove the solvent therefrom.
The residue is dissolved in 50 ~ aqueous tetrahydrofuran (200 ml), and thereto is added diphenyldiazomethane (2.9 g), and the mixture is stirred at room temperature for 20 hours. The solvent is distilled off, and to the resulting residue is added ether to crash the solid, and the solid is collected by filtration, and washed with ether, and dried under reduced pressure. The resulting solid is dissolved in dimethylformamide (20 ml), and thereto is added potassium carbonate (2.6 g). To the mixture is added dropwise a solution of benzhydril bromide (4.64 g) in dimethylformamide (5 ml), and the mixture is stirred at room temperature for five hours. The reaction solution is poured into ice-water (100 ml), and extracted with chloroform. The extract is washed successively with water and saturated saline solution, and dried. The solvent is distilled off, and the resulting residue is purified by silica gel column chromatography (eluent; hexane/ethyl acetate) to give 2-(8-- 52 -- 2~7~2~

diphenylmethyloxy-2-o~o-1,2,3,4-tetrahydroquinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester ~2.85 9, 50 %) as colorless crystals.
M.p. 165 - 16~C
IR (Nujol): 3250, 1750, 1670, 1610, 1590 cm 1 MS (m/z): 570 (MH+) (2) The product obtained above is treated in the same manner as in Example 1, (l)-(a) to give 2-(8-diphenyl-methyloxy-2-oxo-1,2,3,4-tetrahydroquinolin-5-yl)-2-(phthalimidoxy)acetic acid diphenylmethyl ester.
M.p. 180 - 183C
IR (Nujol): 3240, 1790, 1760, 1740, 1670, 1610, 1590 cm~
MS (m/z): 715 (MH+) ~ 3) The product obtained a~ove is treated in the same manner as in Example 1-(2) to give 2-aminooxy-2-(8-diphenylmethyloxy-2-oxo-1,2,3,4-tetrahydroquinolin-5-yl)-acetic acid diphenylmethyl ester.
M.p. 166 - 168C
IR (Nujol~: 3410, 3320, 3240, 1750, 1680, 1610, 1590 cm-MS (m/z): 585 (MH+) (4) The product obtained above is treated in the same manner as in Example 1-(3) to give 2-(2-tritylamino-thiazol-4-yl)-2-~(8-diphenylmethyloxy-2-oxo-1,2,3,4-tetra-hydroquinolin-5-yl)(diphenylmethyloxycarbonyl)methyloxy-- 53 - 20~7~29 imino]acetic acid.
M.p. 142 - 144C (decomposed) IR (Nujol): 3400, 3220, 1740, 1700 (sh), 1680 cm 1 MS (m/z): 981 (MH+) (5) The product obtained above is treated in the same manner as in Example 1-(4~ to give 7B-{(Z)-2-(2-trityl-aminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-1,2,3,4-tetrahydroquinolin-5-yl)~diphenylmethyloxycarbonyl)methyl-oxyimino]acetamide}cephalosporanic acid.
M.p. 138 - 142C (decomposed) IR (Nujol): 3400, 3250, 1790, 1740, 1690 cm 1 MS (m/z): 1235 (MH+) Example 38 The corresponding starting compounds are treated in the same manner as in Example 2 to give 7B-{(Z)-2-(2-amino-thiazol-4-yl)-2-[(8-hydroxy-2-oxo-1,2,3,4-tetrahydro-quinolin-5-yl)(carboxy)methyloxyimino]acetamido~-cephalosporanic acid.
M.p. >170C (decomposed) IR (Nujol): 3300 (br), 3200 (sh), 1780, 1730, 1670 (br) cm~
MS (m/z): 661 (MH+) Disodium salt of this product M.p. >170C (decomposed) IR (Nu jol): 3340 (br), 3200 (sh), 1760, 1660, 1600 cm 1 MS (m/z): 727 (MNa+), 705 (MH+) 5~ 2~7~2~

NMR (D2O) 6: 2.13 and 2.15 (3H, sx2), 2.61-2.68 (2H, m), 3.01-3.13 (2H, m), 2.96, 3.46 (2H, ABq, J=18Hz), 4.68 and 4.71 (lH, dx2, ~=13Hz and 12Hz), 4.77 and 4.89 (lH, dx2, J=13~z and 12~z), 5.01 and 5.03 (lH, dx2, J=4.4~z and 4.4Hz), 5.64 and 5.68 (lH, dx2, J=4.4Hz and 4.4Hz), 5.69 and 5.70 (lH, s), 6.82 and 6.83 (lH, dx2, J=8.3Hz and 8.3Hz), 6.96 and 6.99 (lH, dx2, J=8.3Hz and 8.3Hz), 7.02 (lH, s) Example 39 (1) To a suspension of 2-(8-hydroxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid (11.8 g) in 17 % aqueous tetrahydrofuran (480 ml) is added diphenyldiazomethane (15.6 g), and the mixture is stirred at room temperature for three days. The solvent is distilled off, and to the resulting residue is added diethyl ether (250 ml) in order to crash the solid, and the solid is collected by filtration. The solid is washed with diethyl ether (300 ml) and dried under reduced pressure to give 2-(8-hydroxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester (17.16 g).
M.p. 218.5 - 219.5C (decomposed) IR (Nujol): 3365, 3240, 2720-2580, 1730, 1645, 1630, 1590 cm-MS (m/z): 402 (MH+) (2) To a solution of the product (16.15 g) obtained above in dimethylformamide (81 ml) are added successively potassium carbonate (4.2 g) and methyl iodide (7.8 ml~, and the mixture is stirred at room temperature for - 55 - 2Q~ 7 ~ 2~

7 hours. To the mixture is added ice-water (480 ml) under ice-cooling, and the mixture is stirred. The precipitates are collected by filtration, washed with water, and dried under reduced pressure to give 2-(8-methoxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester (16.05 9).
M.p. 177 - 182C
IR (Nujol): 3330, 3160, 1740, 1650, 1630, 1600 cm 1 MS (m/z): 416 (M~+) (3) The product obtained above is treated in the same manner as in Example i, (l)-(a) to give 2-(8-methoxy-2-oxo-lH-quinolin-5-yl)-2-(phthalimidoxy)acetic acid diphenyl-methyl ester.
M.p. 206 - 209C
IR (Nujol): 3170, 1790, 1740, 1660, 1610 cm 1 MS ~m/z): 561 (MH+) (4) The corresponding starting compounds are treated in the same manner as in Example 1-(2) to give 2-aminooxy-2-(8-methoxy-2-oxo-1~-quinolin-5-yl)acetic acid diphenylmethyl ester.
M.p. 166 - 168C
IR (Nujol): 3280, 3230, 3150, 1750, 1660, 1610 cm 1 MS (m/z): 431 (MH+) (5) The corresponding starting compounds are treated in the same manner as in Example 1-(3) to give 2-(2-- 56 - 2~712~

tritylaminothiazol-4-yl)-2-[(8-methoxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyioxycarbonyl)methyloxyimino3acetic acid.
M.p. 157 - 158.5C (decomposed) IR (Nujol): 3380, 3220 (br), 1740, 1670, 1610 cm 1 MS (m/z): 827 (MH+) (6) The corresponding starting compounds are treated in the same manner as in Example 1-(4) to give 7B-{(Z)-2-(2-tritylaminothiazol-4-yl)-2-[(8-methoxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)methyloxyimino]-acetamido}cephalosporanic acid.
M.p. 154 - 156C
IR (Nujol): 3220 (br), 1790, 1740, 1660, 1610 cm 1 MS (m/z): 1081 (MH+) Example 40 The corresponding starting compounds are treated in the same manner as in Example 2 to give 73-{(Z)-2-(2-amino-thiazol-4-yl)-2-[(8-methoxy-2-oxo-lH-quinolin-5-yl)-(carboxy)methyloxyimino]acetamido~cephalosporanic acid.
M.p. >160C (decomposed) IR (Nujol): 3300 (br), 3200 (br), 1780, 1730, 1660 (br), 1610 cm 1 MS (m/z): 673 (MH+) Disodium salt of this product M.p. >160C (decomposed) IR (Nujol): 3350 (br), 3200 (sh), 1770, 1730 (sh), 1660, 1610 cm-l _ 57 _ 2 ~ ~ 7 MS (m/z): 717 (MH+) NMR (D2O) ~: 2.12 and 2.13 (3H, sx2), 2.87 and 2.93 (lH, dx2, J=18Hz and 18~z), 3.38 and 3.41 (lH, dx2, J=18Hz and 18Hz), 4.01 and 4.02 (3H, sx2), 4.68 and 4.69 (lH, dx2, J=13Hz and 13Hz), 4.85 and 4.87 (lH, dx2, J=13Hz and 13Hz), 4.93 and 4.95 (lH, dx2, J=4.9Hz and 4.9Hz), 5.60 and 5.68 (lH, dx2, J=4.9Hz and 4.9Hz), 5.99 (lH, s), 6.77 and 6.79 (lH, dx2, J=9.8Hz and 9.8Hz), 7.02 and 7.03 (lH, sx2), 7.18 and 7.20 (lH, dx2, J=8.3Hz and 8.3Hz), 7.34 and 7.36 (lH, dx2, J=8.3Hz and 8.3Hz), 8.29 and 8.37 (lH, dx2, J=9.8Hz and 9.8Hz) Example 41 (1) To a suspension of sodium hydride (750 mg) in dimethylformamide (50 ml) is added dropwise a solution of 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-(phthal-imidoxy)acetic acid diphenylmethyl ester (10.6 g) in dimethylformamide (60 ml) over a period of 25 minutes under argon atmosphere, and the mixture is stirred at room temperature for 1.5 hour. The reaction solution is cooled to 0C, and thereto is added dropwise methyl iodide (8.44 g), and the mixture is stirred at the same temperature for 1.5 hour. The mixture is poured into 0.05N-hydrochloric acid (330 ml), and the precipitates are extracted with ethyl acetate. The extract is washed with water, dried, and evaporated to remove the solvent therefrom. The resulting residue is purified by silica gel column chromatography - 58 - 20a7~2~

(eiuent; hexane/ethyl acetate) to give 2-~8-diphenyl-methyloxy-l-methyl-2-oxo-lH-quinolin-5-~1)-2-(phthal-imidoxy)acetic acid diphenylmethyl ester ~5.28 g).
IR (Nujol): 1790, 1760, 1740, 1660, 1610, 1590 cm 1 MS (m/z): 727 (MH+) NMR (CDC13) ~: 3.89 (3H, s), 6.21 ~lH, s), 6.41 (lH, s), 6.70 (lH, d, J=9.8Hz), 6.82-7.40 (23H, m), 7.69-7.80 (4H, m), 8.34 (lH, d, J=9.8Hz) (2) The product obtained above is treated in the same manner as in Example 1, ~l)-(a) to give 2-aminooxy-2-(8-diphenylmethyloxy-1-methyl-2-oxo-lH-quinolin-5-yl)acetic acid diphenylmethyl ester.
IR (Nujol): 3310, 3240, 1750, 1660, 1610, 1590, 1560 cm~
MS (m/z): 597 (MH+) NMR (CDC13) ~: 3.88 (3H, s), 5.55 (lH, s), 5.91 (2H, brs), 6.20 (lH, s), 6.61 (lH, d, J=9.9Hz), 6.79-7.43 (23H, m), 8.00 (lH, d, J=9.9Hz) (3) ~-he product obtained above is treated in the same manner as in Example 1-(2) to give 2-(2-tritylamino-thiazol-4-yl)-2-[(8-diphenylmethyloxy-1-methyl-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)methyloxyimino]-acetic acid.
M.p. 140 - 145C (decomposed) IR (Nujol)~ 3220 (br), 1740, 1660, 1610 (sh), 1590 cm 1 MS (m/z): 993 (MH+) 20~7129 N~R (CDC13) ~:3.83 (3H, s), 6.16 (lH, s), 6.19 (lH, s), 6.52 (lH, d, J=9.8Hz), 6.70 (lH, s), 6.79-7.36 (38H, m), 7.50 (lH, br), 8.02 (lH, d, J=9.8Hz) (4) The product obtained above is treated in the same manner as in Example 1-(3) to give 73-{(Z)-2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-1-methyl-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)-methyloxyimino]acetamido}cephalosporanic acid.
M.p. 139 - 141C (decomposed) IR (Nujol): 3240 (br), 1790, 1740, 1680, 1660 cm 1 MS (m/z): 1247 (MH+) NMR (DMSO-d6) ~: 2.00 and 2.03 (3H, sx2), 3.00-3.60 (2H, m), 3.86 (3H, s), 4.65 and 4.68 (lH, dx2, J=13Hz and 13Hz), 4.90 and 4.98 (lH, dx2, J=13Hz and 13Hz), 4.94 and 5.08 (lH, dx2, J=4.9Hz and 4.9Hz), 5.64 (lH, m), 6.18 (lH, s), 6.50 and 6.51 (lH, dx2, J=9.8Hz and 9.8Hz), 6.67, 6.75, 6.78, 6.80 and 6.82 (3H, each s), 7.03-7.57 (37H, m), 8.08 and 8.10 (lH, dx2, J=9.8Hz and 9.8Hz), 8.87 and 8.90 (1~, sx2), 9.59 and 9.63 (lH, dx2, J=7.8Hz and 7.8 Hz) Example 42 The compound obtalned in Example 41 is treated in the same manner as in Example 2 to give 7~-{(Z)-2-(2-amino-thiazol-4-yl)-2-[(8-hydroxy-1-methyl-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxyimino]acetamido}cephalosporanic acid.
M.p. >170C (decomposed) IR (Nujol): 3300 - 3200, 1780, 1740, 1650, 1590 cm 1 - 60 - 2 ~ 5 7 1 2 Disodium salt of this product M.p. >145C (decomposed) IR ~Nujol): 3340 (br), 3200, 1770, 1650, 1590 cm 1 NMR (D2O) ~: 2.13 and 2.14 (3H, sx2), 2.87 and 2.94 (lH, dx2, J=18Hz and 18Hz), 3.37 and 3.40 (lH, dx2, J=18Hz and 18Hz), 3.96 and 3.99 (3H, sx2), 4.69 (lH, brd, J=llHz), 4.79-4.93 (lH, m), 4.87 and 4.91 (lH, dx2, J=4.9Hz and 4.9Hz), 5.56 and 5.66 (lH, dx2, J=4.9Hz and 4.9Hz), 5.99 (lH, s), 6.76 and 6.78 (lH, dx2, J=9.8Hz and 9.8Hz), 7.02 and 7.03 (lH, sx2), 7.14 and 7.15 (lH, dx2, J=8.3Hz and 8.3Hz), 7.25 and 7.28 (lH, dx2, J=8.3Hz and 8.3Hz), 8.16 and 8.25 (lH, dx2, J=9.8Hz and 9.8Hz) Examples 43 - 48 The corresponding starting compounds are treated in the same manner as in Example 3 to give the compounds of the following mable 4.

- 61 - '3~7 t ,~

Table 4 N ~ C-CONH

O COO
I

C~-COO~ia la Ex. Compound No.
Ra IR41 Physicochemical properties M.p. >160C (decomposed) 43 + fi__~ IR (Nujol): 3300(br), 3200(sh), ~770, -N \> 1660, 1610, 1590 cm ~ ~==/ ~MR (D2O) ~: 2.45-2.66 (3H, m), 2.75-l~ l~ J~ ~ ~ 3.07 (2H, m), 3.23 and 3.24 (lH, dx2, ~ N ~O ~ J=18Hz and 18Hz), 4.99 and 5.04 (lH, H~ H dx2, J=4.9Hz and 4.9Hz), 5.65 (lH, s), 5.57 and 5.70 (lH, dx2, J=4.9Hz and 4.9Hz), 5.78 and 5.79 (lH, dx2, J=15Hz and 15Hz), 5.92 (lH, d, J=15Hz), 6.43 and 6.62 (lH, dx2, J=8.3Hz and 8.8Hz), 6.85 and 6.91 (lH, dx2, J=8.8Hz and 8.3Hz), 6.95 and 6.96 (lH, sx2), 7.97-8.47 (5H, m), 9.15-9.27 (2H, m) M.p. >165C (decomposed) l IR (Nujol): 3380(br), 3200~sh), 1780, 44 1660, 1610 cm~
MS (m/z): 736 (MNa+), 714 (~H+) + ~NMR (D2O) ~: 2.63 and 2.72 (lH, dx2, -N J=18Hz and 18~z), 3.39 and 3.48 (1~, ~ N~- O \==~ dx2, J=18Hz and 18Hz), 3.86 and 3.93 CH30 H (3H, sx2), 5.01 and 5.04 (lH, dx2, J=4.9Hz and 4.9Hz), 5.27 and 5.30 (lH, dx2, J=15Hz and 15Hz), 5.53 and 5.55 (lH, dx2, J=15Hz and 15Hz), 5.67 and 5.73 (lH, dx2, J=4.9Hz and 4.9Hz), 5.94 and 5.97 (lH; sx2), 6.69 and 6.70 (lH, dx2, J=9.8Hz and 9.8Hz), 6.95 and 7.10 (lH, dx2, J=8.3Hz and 8.3~z), 6.98 (lH, s), 7.26 and 7.34 (lH, dx2, J=8.3Hz and 8.3Hz), 8.07-8.15 (2H, m), 8.25 and 8.33 llH, dx2, J=9.8Hz and 9.8Hz), 8.61 (lH, m), 8.89-8.95 (2H, m) . _ , - 62 - 20~7129 M.p. >165C (decomposed) IR (~ujol): 3380(br), 3200~sh), 1770, 166C, 1610 cm~
MS (m/z): 726 (MH+ free acid) Cl NMR (D2O) 6: 2.69 and 2.78 (lH, J + ~ dx2, J=18Hz and 18Hz), 3.43 and 3.52 I `N ` O -N \) (lH, dx2, J=18Hz and 18Hz), 3.88 and CH30 H ~=) 3.93 (3H, sx~), 5.04 and 5.06 (lH, dx2, J=4.9Hz and 4.9Hz), S.26 and 5.29 (lH, dx2, J=lSHz and 15Hz), 5.55 ard 5.57 (lH, dx2, J=15Hz and lSHz), 5.68 and 5.74 (lH, dx2, J=4.9Hz and I 4.9Hz), 5.94 and 5.97 (lH, sx2), 6.69 and 6.71 (lH, dx2, J=9.8Hz and 9.8Hz), 6.96 and 6.97 (lH, sx2), 6.98 and 7.11 (lH, dx2, J=8.3Hz and 8.3Hz), 7.27 and 7.34 (lH, dx2, J=8.3Hz and 8.3Hz), 8.10 (lH, m), 8.26 and 8.34 (lH, dx2, J=9.8Hz and 9.8Hz), 8.63 (lH, m), 8.91 and 8.95 (lH, dx2, J=6.3Hz and 6.3Hz), 9.16 (lH, brs) ~ M.p~ >165C (decomposed) 46l IR (Nujol): 3380(br), 3200~sh), 1770, 1660, 1610 cm~
~ MS (m/z): 786 (MNa+), 764 (~H+) I I + ~-~ NMR (D20) ~: 2.62 and 2.66 (lH, dx2, ~ ~N' ~ N~ ~ J=18Hz and 18Hz), 3.14 and 3.17 (lH, CH3~ H ~ dx2, J=18Hz and 18Hz), 3.68 an 3.78 (3H, sx2), 4.96 and 4.98 (lH, dx2, J=4.9Hz and 4.9Hz), 5.65 and 5.70 (lH, dx2, J=4.9Hz and 4.9Hz), 5.60-5.95 ~2H, m), 5.91 and 5.93 (lH, sx2), 6.62 and 6.66 (lH, dx2, J=9.8Hz and 9.8Hz), 6.80 and 6.99 (lH, dx2, J=8.3Hz and 8.3Hz), 6.88 and 6.91 (lH, sx2), 7.21 and 7.30 (lH, dx2, J=8.3Hz and 8.3Hz), 7.87-8.40 (6H, _ m~, 9.01-9.21 (2H, m) - 63 - 2~7123 M.p. >170C (decomposed) 47 IR (Nujol): 3350~br), 3200~sh), 1770, 1650, 1590 cm~
+ h--~ MS (m/z): 786 (MNa+), 764 (MH+) NMR (D2O) ~: 2.56 and 2.65 (lH, dx2, J=18Hz and 18Hz), 3.13 and 3.15 (lH, dx2, J=18Hz and 18Hz), 3.46 and 3.55 N'~ O~ (3H, sx2), 4.90 and 4.91 (lH, dx2, OH ¦ J=4.4Hz and 4.4Hz), 5.62 and 5.69 CH3 (lH, dx2, J=4.4Hz and 4.4Hz), 5.68-l 5.95 (2H, m), 5.91 and 5.92 (lH, i sx2), 6.57 and 6.62 (lH, dx2, J=9.3H
and 9.3Hz), 6.75 and 6.91 (lH, dx2, J=8.3Hz and 8.3Hz), 6.90 and 6.93 (lH, sx2), 7.12 and 7.21 (lH, dx2, J=8.3Hz and 8.3Hz), 7.82-8.38 (6H, m), 9.01 and 9.04 (lH, dx2, J=7.3Hz and 7.3Hz), 9.17 (lH, brd, J=5.8Hz) l M.p. >170C (decomposed) 48l ~-Isomer* IR (Nujol): 3340(br), 3200 1770, l 1650, 1590 cm~i I + fi__~ MS (m/z): 786 (MNa+), 764 (MH+) N \~ NMR (D2O) ~: 2.60, 3.13 (2H, ABq, J=18Hz), 3.58 (3H, s), 4.91 (lH, d, J ~ ~ J=4.9Hz), 5.62 (lH, d, J=4.9Hz), 5.76 N ~O ~ 5.90 (2H, ABq, J=16Hz), 5.92 (lH, OH ¦ s), 6.58 (lH, d, J=9.8Hz), 6.74 (lH, CH3 d, J=7.8Hz), 6.97 (lH, s), 7.11 (lH, d, J=7.8Hz), 7.90-8.39 (5H, m), 9.10 (lH, d, J=8.3Hz), 9.20 (lH, d, J=5.9Hz) M.p. >170C (decomposed) 48 B-Isomer* IR (Nujol~: 3350(br), 32001 1770, 1650, 1590 cm~
+ ~ MS (m/z): 786 (MNa+), 764 (MH+) -N ~) NMR (D2O) ~: 2.54, 3.12 (2H, ABq, J=18Hz), 3.48 (3H, s), 4.90 (lH, d, J~ ~ J=4.9Hz), 5.69 (lH, d, J=4.9Hz), N ?o ~ 5.76, 5.88 (2H, ABq, J=16Hz), 5.93 OH l ;lH, s), 6.64 (lH, d, J=9.8Hz), 6.93 CH3 (lH, s), 6.94 (lH, d, J=8.3Hz), 7.21 (lH, d, J=8.3Hz), 7.95-8.05 (2H, m), 8.16-8.28 (3H, m), 8.39 (lH, d, J=8.8Hz), 9.07 (lH, d, J=8.3Hz), 9.1 (lH, d, J=5.4Hz) *: The isomers are isolated by high performance liquid chromatography [solid phase; C18-silica gel (YMC-Pac~
D-ODS-10), eluent; acetonitril/30 mM phosphate buffer (pH 7.0) = 1 : 9].

- 64 - 20~712~

Example 49 The compoulld obtained in Example 39 (disodium salt) and l-allyl-4-thiopyridone are treated in the same manner as in Example 4-except that 50 ~ aqueous acetonitril is used as a solvent to give 7B-{(z)-2-(2-aminothiazol-4-yl)-2-[(8-methoxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxyimino]-acetamido}-3-(1-allyl-4-pyridiniothio)-3-cephem-4-carboxylic acid sodium salt.
M.p. >175~C (decomposed) IR (Nujol): 3370 (br), 3200 (sh), 1770, 1660, 1630, 1610 cm~l MS (m/z): 808 (MNa+), 786 (MH+) NMR (D2O) 6: 2.94 and 2.96 (lH, dx2, J=18Hz and 18Hz), 3.28 and 3.34 (lH, dx2, J=18Hz and 18Hz), 4.15 (lH, d, J=14Hz), 4.23 and 4.34 (lH, dx2, J=14Hz and 14Hz), 4.91-4.98 (3H, m), 5.38 (lH, d, J=17Hz), 5.49 (lH, d, J=lOHz), 5.56 and 5.61 (lH, dx2, J=4.9Hz and 4.9Hz), 5.92-6.12 (lH, m), 5.96 and 5.97 (lH, sx2), 6.71 and 6.74 (lH, dx2, J=9.8Hz and 9.8Hz), 6.95 (lH, s), 7.08 and 7.13 (lH, dx2, J=8.3Hz and 8.3Hz), 7.29 and 7.36 (lH, dx2, J=8.3Hz and 8.3Hz), 7.77 (2H, d, J=6.8Hz), 8.24-8.39 (3H, m) Examples 50 - 52 7~-Amino-3-(3-amino-2-methyl-1-pyridiniomethyl)-3-cephem-4-carboxylate and the corresponding starting compounds are treated in the same manner as in Example 27 to give the compounds of the following Table 5.

- 65 - 2 ~ ~ 7 ~ ~ ~

Table ' N C-CONH ~ S ~ CH3 NH2 S ~ N // N ~ CH2-O
O COO-H-COONa la Ex. Compound No.
Ra Physicochemical properties M.p. >170C (decomposed) IR (Nujol): 33S0, 32~0, 1770, 1660, 1610 cm~
MS (m/z): 731 (MH+) NMR (D~O) ~: 2.53 (3H, s), 2.46-2.73 (2H, m), 2.80-3.21 (2H, m), 5.00 and 5.05 (lH, N ` o dx2, J=4.9Hz and 4.9Hz), 5.24 and 5.28 ok H (lH, dx2, J=15Hz and 15Hz), 5.50 (lH, brd), 5.65-5.70 (2H, m), 6.62 and 6.73 (lH, dx2, J=8.3Hz and 8.3Hz), 6.90 and 6.95 (lH, dx2, J=8.3Hz and 8.3Hz), 7.01 (lH, s), 7.6'-7.54 (lH, m), 7.72 (lH, d, J=8.8Hz), 8.01 and 8.08 (lH, dx2, J=5.9Hz and 6.4Hz) M.p. >165C (decomposed) IR (Nujol): 3340(br), 3200~br), 1770, 51 1660, 1600 cm-MS (m/z): 765 (MNa+), 743 (MH+) NMR (D2O) ~: 2.49 and 2.51 (3H, sx2), J~ 2.54 and 2.60 (lH, dx2, J=18Hz and 18Hz), `r' N ` O 3.06 and 3.10 (lH, dx2, J=18Hz and 18Hz), H3Cd H 3.85 and 3.9~ (3H, sx2), 4.94 and 4.97 (lH, dx2, J=4.9Hz and 4.9Hz), 5.22 and 5.24 (lH, dx2, J=16Hz and 16Hz), 5.50 (lH, d, J=16Hz), 5-.63-5.70 (lH, dx2, J=4.9Hz and 4.9Hz), 5.96 and 5.98 (lH, sx2), 6.70 and 6.74 (lH, dx2, J=9.8Hz anc 9.8Hz), 6.98 and 6.99 (lH, sx2)l 6.99 anc 7.10 (lH, dx2, J=8.3Hz and 8.3Hz), 7.29 and 7.34 (lH, dx2, J=8.3Hz and 8.3Hz), 7.55 (lH, ~), 7.67-7.69 (lH, dx2, J=8.3Hz and 8.3Hz), 7.99 (1~, m), 8.25 and 8.35 (lH, dx2, J=9.8Hz and 9.8Hz) .

- 66 - 2 ~ ~ 71 2 5 i -M.p. ~160C (decomposed) IR (Nujol): 3350, 32~0, 1770, 1640, 52 1590 cm~
MS (m/z): 765 ~MNa+), 743 (MH+~
NMR (D2O) ~: 2.49 (3H, s), 2.56 and 2.65 ~ ~ (lH, dx2, J=18Hz and 18Hz), 3.02 and 3.04 l~ ll J (lH, dx2, J=18Hz and 18Hz), 3.75 and 3.77 N ~O (3H, sx2), 4.90 and 4.91 (lH, dx2, dH ¦ J=4.4Hz and 4.4Hz), 5.20 and 5.23 (lH, CH3 dx2, J=15Hz and 15Hz), 5.51 (lH, d, J=15Hz), 5.59 and 5.70 (lH, dx2, J=4.4Hz and 4.4Hz), 5.95 and 5.97 (lH, sx2), 6.66 and 6.71 (lH, dx2, J=9.8Hz and 9.8Hz), 6.93 and 7.04 (lH, dx2, J=8.3Hz and 8.3Hz), 6.98 (lH, s), 7.18 and 7.25 (lH, dx2, J=8.3Hz and 8.3Hz), 7.41-7.60 (lH, m), 7.65 and 7.67 (lH, dx2, J=8.3Hz and 8.3Hz), 7.96 and 7.99 (lH, dx2, J=5.9Hz and 5.9Hz), 8.08 and 8.22 (lH, dx2, J=9.8Hz and 9.8Hz) M.p. >160C tdecomposed) IR (Nujol): 3350, 32~0, 1770, 1650, 52 ~-Isomer* 1590 cm MS (m/z): 765 (MNa+), 743 (MH+) NMR (D~O) ~: 2.51 (3H, s), 2.56, 3.05 (2H, A~q, J=18Hz), 3.76 (3H, s), 4.92 J ~ (lH, d, J=4.4Hz), 5.25, 5.51 (2H, ABq, N ~ O J=16Hz), 5.60 (lH, d, J=4.4Hz), 5.97 (lH, OH ¦ brs), 6.65 (lH, d, J=9.8Hz), 6.91 (lH, d, CH3 J=8.3Hz), 6.99 (lH, s), 7.18 (lH, d, J=8.3Hz), 7.58 (lH, dd, J=7.8Hz and 6.4Hz), 7.69 (lH, d, J=7.8Hz), 8.00 (lH, d, J=6.4Hz), 8.06 (lH, d, J=9.8Hz) .

2~'71~
- 6~ -_ M.p. >160C ~decomposed) 52 B-Isomer* IR (Nujol): 3350, 31~0, 1770, 1650, MS (m/z): 765 (MNa+), 743 (MH+) i NMR (D2O) ~: 2.49 (3H, s), 2.55, 3.02 ~ !2H, ABq, J=18Hz), 3.75 (3H, s), 4.90 l~ l~ J~ (lH, d, J=4.9Hz), 5.21, 5.51 (2H, ABq, N'- O J=16Hz), 5.70 (lH, d, J=4.9Hz), 5.96 (lH, OH ¦ s), 6.71 (lH, d, J=9.8Hz), 6.98 (lH, s), CH3 7 04 (lH, d, J=8.3Hz), 7.25 ~lH, d, J=8.3Hz), 7.52 (lH, dd, J=8.3Hz, 5.9Hz), 7.66 (lH, d, J=8.3Hz), 7.97 (lH, d, J=5.9Hz), 8.23 (lH, d, J=9.8Hz) *: The isomers are isolated by high performance liquid chromatography [solid phase; C18-silica gel (YMC-Pac~ D-ODS-10), eluent; acetonitril/30 mM phosphate buffer (pH 7.0) = 8 : 92].

~ 68 - 2 ~ ~ 7 ~ 2~

E~ample 53 (1) 2-(8-Diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester (5.03 9) is dissolved in 17 % aqueous tetrahydrofuran (96 ml), and to the mixture is added dropwise 2.ON-aqueous sodium hydroxide solution (8.8 ml) with stirring under ice-cooling, and the mixture is stirred at room temperature for two hours. To the mixture is added dropwise 2.4N-hydrochloric acid (7.4 ml) under ice-cooling, and then added a~ueous tetrahydro-furan (q.s.). The mixture is made homogeneous, and tetrahydrofuran is distilled off. The precipitates are collected by filtration, washed successively with water and diethyl ether, and dried under reduced pressure at 60C to give 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid (3.42 g) as a colorless solid.
M.p. 186 - 188C (decomposed) IR (Nujol): 3360, 3160, 1710, 1640, 1600 cm 1 MS (m/z): 401 (M+) (2) The product (145.8 g) obtained above is reacted with (R)-2-amino-3-methyl-1,1-diphenylbutan-1-ol (92.8 g), and the resulting salt is recrystallized twice from methanol to give optically active 2-(8-diphenylmethyl-oxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid (R)-2-amino-3-methyl-1,1-diphenylbutan-1-ol salt (47.7 g) as colorless crystals.
M.p. 208.5 - 209.5C (decomposed) 69 ~ 20571 2~

IR (Nujol): 3440, 3400, 3360, 3260, 1660, 1630, 1600, 1590 cm~
MS (m/z): 657 (MH+) [~] 20 -53.6 Ic=1.00, methanol) (3) To a suspension of the product (111 g) obtained above in tetrahydrofuran (3.3 liters) is added diphenyldiazomethane (49.2 g), and the mixture is stirred at room temperature for two days. The resulting dark red-purple solution is evaporated to remove tetrahydrofuran therefrom, and the residue is subjected to azeotropic distillation with diethyl ether (200 ml) twice to give crystals. To the crystals is added diisopropyl ether (1 liter) in order to crash the crystals, and the crystals are collected by filtration, washed with diethyl ether (1 liter), and dried under reduced pressure at 45C to give optically active 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester (94.6 9).
M.p. 194 - 196C
IR (Nujol): 3320, 1740, 1640, 1600 cm 1 MS (m/z): 568 (MH+) [~] D0 -6.2 (c=1.00, chloroform) Optical purity: j98 % ee [determined by high performance liquid chromatography (solid phase; cellulose derivative-coating silica column; tradename: Opti-Pak XC, eluent; hexane/ethanol = 3 : 2]

7 205712~

(4) The product obtained above is treated in the same manner as in Example 1, (l)-(a) to give optically active 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-(phthalimidoxy)acetic acid diphenylmethyl ester.
M.p. 194 - 196C
IR (Nujol): 3180, 3060, 3020, 1790, 1760, 1740, 1650, 1610 c~-MS (m/z): 713 (MH+) (5) The product obtained above is treated in the same manner as in Example 1-(2) to give optically active 2-aminohydroxy-2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)acetic acid diphenylmethyl ester.
M.p. 182 - 184C (decomposed) IR (Nujol): 3320, 3300, 3220, 3160, 1750, 1730, 1650, 1600 cm-MS (m/z): 583 (MH+) (6) The product obtained above is treated in the same manner as in Example 1-(3) to give optically active 2-(2-tritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)methyloxyimino]-acetic acid.
M.p. 154 - 156C
IR (Nujol): 3400, 3200 (br), 1740, 1670, 1610 cm 1 MS (m/z): 979 ~MH+) (7) The product obtained above is treated in the same manner as in Example 1-(4) to give optically active 73-- 71 - 2 ~ ~ 71 2 v {(Z)-2-(2-~ritylaminothiazol-4-yl)-2-[(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenylmethyloxycarbonyl)methyl-oxyimino]acetamido}cephalosporanic acid.
M.p. 142 - 145C (decomposed) IR (Nujol): 3400, 3250 (br), 1790, 17~0, 1670, 1600 cm 1 MS (m/z): 1233 (MH+) NMR (DMSO-d6) ~: 1.99 (3H, s), 3.09, 3.35 (2H, ABq, J=18Hz), 4.62, 4.91 (2H, ABq, J=13Hz), 4.94 (lH, d, J=4.9Hz), 5.62 (lH, dd, J=7.8Hz, 4.9Hz), 6.13 (lH, s), 6.46 (lH, d, J=9.8Hz), 6.77-7.38, 7.72-7.76 (40H, m), 8.15 (lH, d, J=9.8Hz), 8.90 (lH, brsj, 9.59 (lH, d, J=7.8Hz), 11.0 (lH, brs) Examples 54 - 55 The optically active cephalosporanic acid compound obtained in Example 53-(7) and the corresponding starting compounds are treated in the same manner as in Example 3-(1) to give the following compounds.
(54) Optically active 7B-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxy-imino]acetamido}-3-(1-quinoliniomethyl)-3-cephem-4-carboxylic acid sodium salt The physicochemical properties of the above compound are the same as those of the B-isomer obtained in Example 3-(2).
(55) Optically active 7B-~(z)-2-(2-aminothiazol-4 yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxy-- 72 - 2~5 7 s ~

imino~acetamido}-3-(3-chloro-1-pyridiniomethyl)-3-cephem-4-carboxylic acid sodium salt The physicochemical properties of the above compound are the same as those of the B-isomer obtained in Example 26.
Example 56 The optically active oxyiminoacetic acid compound obtained in Example 53-(6) and the corresponding starting compounds are treated in the same manner as in Example 27-(1) to give optically active 7g-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxy-imino]acetamido~-3-(3-amino-2-methyl-1-pyridiniomethyl)-3-cephem-4-carboxylic acid sodium salt.
The physicochemical properties of the above compound are the same as those of the B-isomer obtained in Example 27-(2).
Example 57 (1) To a solution of the compound (2.45 9) obtained in Example 53-(6) in tetrahydrofuran (20 ml) are added with ice-cooling l-hydroxybenzotriazole (405 mg) and dicyclohexylcarbodiimide ~567 mg) under argon atmosphere, and the mixture is stirred at room temperature for three hours (the resulting suspension is referred to as "Reaction solution A"). Separately, a solution of 7B-phenylacetamido-3-chloromethyl-3-cephem-4-carboxylic acid 4-methoxybenzyl ester (1.58 g) in dichloroethane (40 ml) is cooled with ice - 73 ~ 20~7~.~J

under arson atmosphere, and thereto are added pyridine (0.49 ml) and phosphorus pentachloride (1.01 g), and the mixture is stirred at the same temperature for one hour, and then at room temperature for 30 minutes. To the mixture is added dropwise methanol (24 ml) under ice-cooling, and the mixture is reacted at room temperature for 15 minutes. After cooling with ice, to the mixture is added 0.5N-aqueous potassium dihydrogen phosphate solution (48 ml), and the mixture is stirred at room temperature for 1.5 hour. The reaction solution is extracted with dichloromethane, and the extract is washed with sal~ne solution, dried, and the solvent is distilled off. The resulting residue (1.87 g) is dissolved in tetrahydrofuran (15 ml) (the resulting solution is referred to as "Reaction solution B"). To Reaction solution A is added dropwise Reaction solution B, and the mixture is stirred at room temperature for 17 hours. The precipitates are removed by filtration, and the filtrate is evaporated to remove the solvent therefrom. The oily residue is purified by silica gel column chromatography (eluent; hexane/ethyl acetate) to give optically active 7B-{(Z)-2-(2-tritylaminothiazol-4-yl)-2-L(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)(diphenyloxymethylcarbony)methyloxy-imino]acetamide}-3-(chloromethyl)-3-cephem-4-carboxylic acid 4-methoxybenzyl ester (2.12 g).
IR (Nujol): 3380, 3280, 3200, 1790, 1740, 1660, 1610 cm~l 7~ 2~ J 29 (2) To a solution of the product (800 mg) obtained above in dimethylacetamide (8 ml~ are added with ice-cooling successively zinc iodide (77 mg) and 1-allyl-4-thiopyridone (272 mg) under argon atmosphere, and the mixture is stirred at the same temperature for 22 hours. To the reaction mixture are added water (20 ml) and saturated saline solution (20 ml) under ice-cooling, and the precipitates are collected by filtration, washed successively with water and ethyl acetate, and concentrated to dryness under reduced pressure at room temperature overnight. The resulting solid (840 mg) is added to a mixture of trifluoroacetic acid (2.5 ml)/anisole (2.5 ml) under ice-cooling, and the mixture is stirred at room temperature for two hours. The mixture is cooled with ice, and thereto is added diisopropyl ether (50 ml), and the mixture is stirred for 15 minutes. The precipitates are collected by filtration, washed with diisopropyl ether, and dried under reduced pressure at room temperature. The resulting solid (555 mg) is suspended in water (5 ml), and the pH value of the mixture is adjusted to pH 8.0 with saturated aqueous sodium hydrogen carbonate solution, and purified by HP-20 column chromatography (eluent; water and 20 ~ aqueous methanol). The fractions containing the desired compound are combined, concentrated and lyophilized to give optically active 7~-{(Z)-2-(2-aminothiazol-4-yl)-2-[~8-hydroxy-2-oxo-lH-quinolin-5-yl)-(carboxy)methyloxyimino]acetamido}-3-[(1-allyl-4-pyridinio)-2~7129 thiomethyl]-3-cephem-4-carboxylic acid sodium salt (104 mg).
M.p. >165C (decomposed) IR (Nujol): 3350 (dr), 3180 (br), 1770, 1660, 1630, 1610 cm~l NMR (DMSO-d6) ~: 2.96, 3.34 (2H, ABq, J=18Hz), 4.79 (?H, brs), 4.90-4.93 (3H, m), 5.33 (lH, d, J=17Hz), 5.47 (1~, d, J=9.8Hz), 5.90-6.10 (lH, m), 5.97 (lH, s), 6.74 (lH, d, J=9.8Hz), 6.95 (lH, s), 7.01 (lH, d, J=8.3Hz), 7.23 (lH, d, J=8.3Hz), 7.73 (2H, d, J=6.8Hz), 8.29 (2H, d, J=6.8Hz), 8.35 (lH, d, J=9.8Hz) Example 58 To a solution of the compound (1.33 9) obtained in Example 57-(1) in acetonitril (13 ml) are added with ice-cooling sodium iodide (164 mg) and 3-chloropyridine (454 m~) under argon atmosphere, and the mixture is stirred at 8C
for 14 hours. The mixture is evaporated under reduced pressure to remove acetonitril therefrom, and to the resulting residue is added a mixture of trifluoroacetic acid (8 ml)/anisole (8 ml) under ice-cooling, and the mixture is stirred at room temperature for two hours. The mixture is cooled with ice, and thereto is added diisopropyl ether (150 ml), and the mixture is stirred for 15 minutes. The precipitates are collected by filtration, washed with diisopropyl ether and dried under reduced pressure at room temperature. The resulting solid is suspended in water (20 - 76 - 2~ 71 29 ml), and the pH value thereof is adjusted tc pH 8.0 with saturated aqueous sodium hydrogen carbonate solution, and purified HP-20 column chromatography (eluent; water and 2Q %
aqueous methanol). The fractions containing the desired compound are combined, concentrated and lyophilized to give optically active 7B-{(Z)-2-(2-aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quiolin-S-yl)(carboxy)methyloxyimino]-acetamido}-3-(3-chloro-1-pyridiniomethyl)-3-cephem-4-carboxylic acid sodium salt (220 mg).
The physicochemical properties of the above compound are the same as those of the ~-isomer obtained in Example 26.
[Preparation of the starting compounds]
Reference Example 1 (1) 5-(2,2-Dihydroxyacetyl)-8--(benzyloxy)-carbostyril (58 g) is suspended in tert-butanol (1000 ml) and 5 % aqueous potassium dihydrogen phosphate solution (650 ml), and to the suspension is added dropwise with stirring to a mixture of potassium permanganate (56.3 9 ) and water (930 ml) at 5 - 7C, and the mixture is stirred at 5 - 7C
for seven hours, and then at room temperature for 17 hours. To the mixture is added saturated aqueous sodium sulfite solution (535 ml) under ice-cooling, and the pH
value thereof is adjusted to pH 1--2 with conc. hydrochloric acid, and the mixture is stirred for 30 minutes. The precipitates are collected by filtration, washed with water 205712~

and dried to give 5-oxalo-8-(benzyloxy)carbostyril (36.7 9) -M.p. 217 - 219C (decomposed) IR (Nujol): 3200 - 2400, 1700, 1670, 1640, 1600 cm 1 MS (m/z): 323 (M+) (2) To a solution of the product (74 9) obtained above in tetrahydrofuran (2000 ml) and water (1500 ml) is added wet 10 % palladium-carbon (37 9, moisture: 50 %), and the mixture is stirred for three hours under hydrogen atmosphere, and the catalyst is separated by filtration.
The catalyst is washed with a mixture of tetrahydrofuran and water, and the washings and the filtrate are combined, and evaporated to remove the solvent therefrom, and dried to give 2-hydroxy-2-(8-hydroxy-2-oxo-lH-quinolin-5-yl)acetic acid (54 9).
M.p. 259 - 261C (decomposed) IR (Nujol): 3160, 3080, 2780 - 2560, 1725, 1695, 1640, 1600 cm-MS (m/z): 236 (MH+) (3) The product (39 9) obtained above is dissolved in tetrahydrofuran (3000 ml) and water (600 ml) with heating, and then cooled to 40C. To the mixture is added diphenyldiazomethane (96.6 9), and the mixture is stirred for one hour, and then at 55C for 20 hours. To the mixture is added additional diphenyldiazomethane (96.6 9), and the mixture is stirred for 24 hours. The solvent is distilled 7~ 20~7i~

off, and to the residue is added ether to give crystals.
The precipitated crystals are collected by filtration, washed with ether and dried to give 2-(8-diphenylmethyloxy-2-oxo-lH-quinolin-5-yl)-2-hydroxyacetic acid diphenylmethyl ester (57.2 9).
M.p. 183 - 185C (decomposed) IR (Nujol): 3330, 1750, 1650, 1600 cm 1 MS (m/z): 568 (MH+) [Effects of the Invention]
The desired compound [I] of the present invention and pharmaceutically acceptable salts thereof have excellent antimicrobial activities against the wide range of various microorganisms including Gram positive bacteria and Gram negative bacteria, more particularly, have high stability to 3-lactamase-producing bacteria, and hence, these compounds can be used as chemotherapeutics in treatment of various infectious diseases caused by above mentioned microorganisms for mammals including human beings or as additive for animal feeds.

Claims (19)

1. A cephalosporin compound of the formula [I]:

[I]

wherein R1 is amino group or a protected amino group, R2 is hydroxy group, a protected hydroxy group or a lower alkoxy group, R3 is carboxyl group or a protected carboxyl group, R4 is hydrogen atom, a lower alkyl group, a lower alkenyl group or a group of the formula: -CH2R41 (wherein R41 is a nucleophilic residue), R5 is carboxyl group, a protected carboxyl group or a group of the formula: -COO , R6 is hydrogen atom or a lower alkyl group, and the dotted line means the presence or absence of a double bond, or a pharmaceutically acceptable salt thereof.

2. The compound according to claim 1, wherein R4 is a lower alkanoyloxy group; a nitrogen-containing heterocyclic group having optionally substitutents; or a thio group substituted by a nitrogen-containing heterocyclic group having optionally a substituent.

3. The compound according to claim 2, wherein R4 is a lower alkanoyloxy group; pyridinio group, quinolinio group, isoquinolinio group, 2,3-propanopyridinio group, 5,6,7,8-tetrahydroquinolinio group or 2,3-pentanopyridinio group, which optionally have one or two substituents selected from the group consisting of a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkoxycarbonyl group, amino group, carbamoyl group, cyano group, formylamino group and hydroxy(lower)alkyl group;
thiadiazolylthio group or tetrazolylthio group, which may optionally be substituted by a lower alkyl group; or pyridiniothio group which may optionally be substituted by a lower alkenyl group.

4. The compound according to claim 3, wherein R4 is hydrogen atom, methyl group, vinyl group or a group of the formula: -CH2R41 (wherein R41 is acetoxy group;
pyridinio group, quinolinio group, isoquinolinio group, 2,3-propanopyridinio group, 5,6,7,8-tetrahydroquinolinio group or 2,3-pentanopyridinio group, which may have one or two substituents selected from the group consisting of a halogen atom, methyl group, methoxy group, methoxycarbonyl group, amino group, carbamoyl group, cyano group, formylamino group and hydroxymethyl group; (1,2,3-thiadiazol-5-yl)thio group or 5-tetrazolylthio group, which may optionally be substituted by methyl group; or 1-allyl-4-pyridiniothio group).

5. The compound according to any one of claim 1, 2, 3 or 4, wherein R1 is amino group, R3 is carboxyl group, R5 is carboxyl group or a group of the formula: -COO , and R6 is hydrogen atom or methyl group.

6. The compound according to claim 5, wherein R2 is hydroxy group or methoxy group, which substitutes at 8-position of the 2-oxo-lH-quinoline ring or the 2-oxo-1,2,3,4-tetrahydroquinoline ring.

7. The compound according to claim 6, wherein R2 is hydroxy group, R6 is hydrogen atom and the dotted line means the presence of a double bond.

8. The compound according to claim 7, wherein R4 is a group of the formula: -CH2R41 (wherein R41 is acetoxy group, pyridinio group, 3-chloropyridinio group, 3-amino-2-methylpyridinio group or quinolinio group).

9. The compound according to claim 8, wherein R4 is pyridinio group, 3-chloropyridinio group, 3-amino-2-methylpyridinio group or quinolinio group.

10. 7.beta.-{(Z)-2-(2-Aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxyimino]acetamido}-3-(1-quinoliniomethyl)-3-cephem-4-carboxylic acid, or a pharmaceutically acceptable salt thereof.

11. 7.beta.-{(Z)-2-(2-Aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxyimino]acetamido}-3-(3-chloro-1-pyridiniomethyl)-3-cephem-4-carboxylic acid, or a pharmaceutically acceptable salt thereof.

12. 7.beta.-{(Z)-2-(2-Aminothiazol-4-yl)-2-[(8-hydroxy-2-oxo-lH-quinolin-5-yl)(carboxy)methyloxyimino]acetamido}-3-(3-amino-2-methyl-1-pyridiniomethyl)-3-cephem-4-carboxylic acid, or a pharmaceutically acceptable salt thereof.

13. A process for preparing the cephalosporin compound of the formula [I]:

[I]

wherein R1 is amino group or a protected amino group, R2 is hydroxy group, a protected hydroxy group or a lower alkoxy group, R3 is carboxyl group or a protected carboxyl group, R4 is hydrogen atom, a lower alkyl group, a lower alkenyl group or a group of the formula: -CH2R41 (wherein R41 is a nucleophilic residue), R5 is carboxyl group, a protected carboxyl group or a group of the formula: -COO-, R6 is hydrogen atom or a lower alkyl group, and the dotted line means the presence or absence of a double bond, or a pharmaceutically acceptable salt thereof, which comprises condensing an oxyiminoacetic acid compound of the formula [II]:

[II]

wherein R1, R2, R3, R6 and the dotted line are the same as defined above, a salt or a reactive derivative thereof, with a 7-aminocephalosporin compound of the formula [III]:

[III]

wherein R4 and R5 are the same as defined above or a salt thereof, optionally followed by converting the product into a pharmaceutically acceptable salt thereof.

14. A process for preparing the cephalosporin compound of the formula [I]:

[I]

wherein R1 is amino group or a protected amino group, R2 is hydroxy group, a protected hydroxy group or a lower alkoxy group, R3 is carboxyl group or a protected carboxyl group, R4 is hydrogen atom, a lower alkyl group, a lower alkenyl group or a group of the formula: -CH2R41 (wherein R41 is a nucleophilic residue), R5 is carboxyl group, a protected carboxyl group or a group of the formula: -COO-, R6 is hydrogen atom or a lower alkyl group, and the dotted line means the presence or absence of a double bond, or a pharmaceutically acceptable salt thereof, which comprises reacting a compound of the formula [IV]:

[IV]

wherein R1, R4 and R5 are the same as defined above or a salt thereof, with a compound of the formula [V]:

[V]

wherein Z is a reactive residue, R2, R3, R6 and the dotted line are the same as defined above, or a salt thereof, optionally followed by converting the product into a pharmaceutically acceptable salt thereof.

15. A process for preparing a cephalosporin compound of the formula [I-a]:
[I-a]
wherein R1 is amino group or a protected amino group, R2 is hydroxy group, a protected hydroxy group or a lower alkoxy group, R3 is carboxyl group or a protected carboxyl group, R41 is a nucleophilic residue, R5 is carboxyl group, a protected carboxyl group or a group of the formula: -COO-, R6 is hydrogen atom or a lower alkyl group, and the dotted line means the presence or absence of a double bond, or a pharmaceutically acceptable salt thereof, which comprises reacting a cephalosporin compound of the formula [VI]:
[VI]

wherein X1 is a reactive residue, R1, R2, R3, R5, R6 and the dotted line are the same as defined above, or a salt thereof, with a nucleophilic compound or a salt thereof, opitionally followed by converting the product into a pharmaceutically acceptable salt thereof.

16. A thiazolylacetic acid derivative of the formula [II-a]:

[ II-a]

wherein R1 is amino group or a protected amino group, R2 is hydroxy group, a protected hydroxy group or a lower alkoxy group, R3 is carboxyl group or a protected carboxyl group, a group of the formula: -COOY is carboxyl group or a protected carboxyl group, R6 is hydrogen atom or a lower alkyl group and the dotted line means the presence or absence of a double bond, or a salt thereof.

17. A carbostyril compound of the formula [V]:
[V]

wherein R2 is hydroxy group or a protected hydroxy group, R3 is carboxyl group or a protected carboxyl group, R6 is hydrogen atom or a lower alkyl group, Z is a reactive residue and the dotted line means the presence or absence of a double bond, or a salt thereof.

18. A cephalosporin compound of the formula [VI]:

[VI]

wherein R1 is amino group or a protected amino group, R2 is hydroxy group, a protected hydroxy group or a lower alkoxy group, R3 is a carboxyl group or a protected carboxyl group, R5 is carboxyl group, a protected carboxyl group or a group of the formula: -COO , R6 is hydrogen atom or a lower alkyl group, X1 is a reactive residue and the dotted line means the presence or absence of a double bond, or a salt thereof.

19. A pharmaceutical composition which comprises an antimicrobially effective amount of the compound as set forth in either one of claims 1 to 12 or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.