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Pyridinium,1-[[(6R,7R)-2-carboxy-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-,inner saltAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmac
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table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse;width:512pt" width="680"> td class="xl66" colspan="8" height="19" style="height:14.25pt; width:512pt" width="680"> 1,Best Q
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Conditions | Yield |
---|---|
With potassium chloride In water at 30℃; Equilibrium constant; |
2,2,2-trichloroethyl (6R,7R)-N-<7-(thien-2-ylacetamido)ceph-3-em-3-ylmethyl>pyridinium chloride 4-carboxylate
cefaloridine
Conditions | Yield |
---|---|
With Deacidite FF ion-exchange resin; zinc(II) chloride; zinc 1.) formic acid, 22 deg C, 2 h; Multistep reaction; |
cefaloridine
Conditions | Yield |
---|---|
With water-d2 at 37℃; Kinetics; Isomerization; pD = 10.5; |
cefaloridine
Conditions | Yield |
---|---|
With water-d2 at 37℃; Kinetics; Isomerization; pD = 10.5; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 67.3 percent / 1.5 h / 20 °C 2: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 3: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme |
2-thienylacetic acid chloride
cefaloridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1.) phosphorus oxychloride; 2.) dimethylacetamide / 1.) MeOH, 45-55 deg C; 2.) CH2Cl2, 0-5 deg C, 45 min 2: 67.3 percent / 1.5 h / 20 °C 3: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 4: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 46.3 percent / N,N'-dicyclohexylcarbodiimide / CH2Cl2 / 1 h / 20 °C 2: 67.3 percent / 1.5 h / 20 °C 3: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 4: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme |
2,2,2-trichloroethyl (1S,6R,7R)-3-chloromethyl-7-(thien-2-ylacetamido)ceph-3-em-4-carboxylate 1-oxide
cefaloridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 67.3 percent / 1.5 h / 20 °C 2: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 3: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme |
2,2,2-trichloroethyl (1S,6R,7R)-N-<7-(thien-2-ylacetamido)ceph-3-em-3-ylmethyl>pyridinium chloride 4-carboxylate 1-oxide
cefaloridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 2: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme |
2,2,2-trichloroethyl (1S,6R,7R)-7-amino-3-chloromethylceph-3-em-4-carboxylate 1-oxide
cefaloridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 46.3 percent / N,N'-dicyclohexylcarbodiimide / CH2Cl2 / 1 h / 20 °C 2: 67.3 percent / 1.5 h / 20 °C 3: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 4: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme |
2,2,2-trichloroethyl (1S,6R,7R)-3-bromomethyl-7-formamidoceph-3-em-4-carboxylate 1-oxide
cefaloridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1.) phosphorus oxychloride; 2.) dimethylacetamide / 1.) MeOH, 45-55 deg C; 2.) CH2Cl2, 0-5 deg C, 45 min 2: 67.3 percent / 1.5 h / 20 °C 3: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 4: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme | |
Multi-step reaction with 5 steps 1: 46.2 percent / conc. hydrochloric acid / tetrahydrofuran / 30 h / 6 °C 2: 46.3 percent / N,N'-dicyclohexylcarbodiimide / CH2Cl2 / 1 h / 20 °C 3: 67.3 percent / 1.5 h / 20 °C 4: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 5: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme |
cefaloridine
Conditions | Yield |
---|---|
With nitric acid In water | 46.7% |
Conditions | Yield |
---|---|
at 280℃; |
Conditions | Yield |
---|---|
at 215 - 334℃; |
Conditions | Yield |
---|---|
at 160 - 170℃; |
Conditions | Yield |
---|---|
at 150 - 270℃; |
Conditions | Yield |
---|---|
at 330℃; |
Conditions | Yield |
---|---|
at 230 - 235℃; |
Conditions | Yield |
---|---|
at 250 - 400℃; |
cefaloridine
ethyl acetate
A
ethanol
B
acetaldehyde
C
acetic acid
Conditions | Yield |
---|---|
at 300 - 400℃; |
cefaloridine
diphenyl hydrazine
benzene
A
aniline
B
Azobenzene
Conditions | Yield |
---|---|
With potassium chloride In water at 30℃; Rate constant; Equilibrium constant; effects of sodium hydroxide; |
Conditions | Yield |
---|---|
With potassium chloride In water at 30℃; |
Conditions | Yield |
---|---|
In water at 30℃; Rate constant; Mechanism; pH 5.5-12.5, I = 1.0 M (KCl); |
Conditions | Yield |
---|---|
In water at 30℃; Rate constant; Mechanism; pH 10.5-13.5, I = 1.0 M (KCl); |
Conditions | Yield |
---|---|
In water at 30℃; Rate constant; Mechanism; pH 8.35-12.5, I = 1.0 M (KCl); |
cefaloridine
A
pyridine
B
(2R)-2-<(R)-carboxylato<(thien-2-yl)acetylamino>methyl>-5,6-dihydro-5-methylidene-1,3-thiazine-4-carboxylate
Conditions | Yield |
---|---|
at 37℃; for 1h; Product distribution; Rate constant; Mechanism; carbonate-buffer solution, pH 10.5; | |
With water-d2 at 37℃; Kinetics; Isomerization; hydrolysis; pD = 10.5; |
cefaloridine
Conditions | Yield |
---|---|
copper(II) ion In water at 30℃; Rate constant; Mechanism; further metal-ions, pH; | |
With hydrogenchloride In water at 30℃; Rate constant; hydrolysis; | |
With potassium chloride; 2-hydroxyethanethiol In water at 30℃; pH=10.10; Kinetics; | |
With potassium chloride; hydroxide In water at 30℃; Kinetics; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
Nachweis von 2,4,4,6,6,8,8-Heptamethyl-non-1-en in dem erhaltenen Produkt; |
cefaloridine
isobutene
A
2,4,4-trimethyl-1-pentene
B
3-tert-Butyl-2,4,4-trimethyl-pent-2-ene
Conditions | Yield |
---|---|
at 300℃; weitere Produkte: Hexaisobutylen, Heptaisobutylen; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
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