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CAS No.: | 41906-86-9 |
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Name: | NITROCEFIN |
Article Data: | 3 |
Molecular Structure: | |
Formula: | C21H16N4O8S2 |
Molecular Weight: | 516.512 |
Synonyms: | Nitrocefin [BAN];5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2- carboxylic acid,3-[(1E)-2-(2,4-dinitrophenyl)- ethenyl]-8-oxo-7-[(2-thienylacetyl)amino]-,(6R,7R)-;(6R-(3(E),6alpha,7beta))-3-(2-(2,4-Dinitrophenyl)ethenyl)-8-oxo-7-((2-thienylacetyl)amino)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid;(7R)-3-((E)-2,4-Dinitrostyryl)-7-(2-thienylacetamido)-3-cephem-4-carboxylic acid;Nitrocefin; |
Density: | 1.67g/cm3 |
Melting Point: | 103-113° (dec); mp 167-169° (dec) (Lee) |
Boiling Point: | 872oC at 760 mmHg |
Flash Point: | 481.2oC |
Solubility: | DMSO (Slightly), Methanol (Slightly) |
Appearance: | Orange to Red Solid |
PSA: | 231.89000 |
LogP: | 4.10510 |
Nitrocefin
Conditions | Yield |
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With methoxybenzene; trifluoroacetic acid In dichloromethane at 0℃; for 0.5h; | 87% |
Conditions | Yield |
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With N,N'-bis(trimethylsilyl)urea; ammonium bromide 1.) CH2Cl2, reflux, 1.5 h, 2.) CH2Cl2, -10 deg C, 1.5 h; Yield given. Multistep reaction; |
Nitrocefin
Conditions | Yield |
---|---|
In chloroform; dimethyl sulfoxide at 20℃; for 24h; | 120 mg |
A
Nitrocefin
Conditions | Yield |
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With methoxybenzene; trifluoroacetic acid In dichloromethane for 0.25h; cooling; Title compound not separated from byproducts; |
2-thienylacetic acid chloride
Nitrocefin
Conditions | Yield |
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Multi-step reaction with 4 steps 1.1: 78 percent / potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / 20 °C 2.1: sodium iodide / butan-2-one / 20 °C 3.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 3.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 4.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling View Scheme | |
Multi-step reaction with 5 steps 1.1: 78 percent / potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / 20 °C 2.1: sodium iodide / butan-2-one / 20 °C 3.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 3.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 4.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling 5.1: 120 mg / CHCl3; dimethylsulfoxide / 24 h / 20 °C View Scheme |
(6R,7R)-4-methoxybenzyl-3-(chloromethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Nitrocefin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium iodide / butan-2-one / 20 °C 2.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 2.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 3.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling View Scheme | |
Multi-step reaction with 4 steps 1.1: sodium iodide / butan-2-one / 20 °C 2.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 2.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 3.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling 4.1: 120 mg / CHCl3; dimethylsulfoxide / 24 h / 20 °C View Scheme |
Nitrocefin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 78 percent / potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / 20 °C 2.1: sodium iodide / butan-2-one / 20 °C 3.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 3.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 4.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling View Scheme | |
Multi-step reaction with 5 steps 1.1: 78 percent / potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / 20 °C 2.1: sodium iodide / butan-2-one / 20 °C 3.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 3.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 4.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling 5.1: 120 mg / CHCl3; dimethylsulfoxide / 24 h / 20 °C View Scheme |
Nitrocefin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling 2: 120 mg / CHCl3; dimethylsulfoxide / 24 h / 20 °C View Scheme |
Nitrocefin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 1.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 2.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling View Scheme | |
Multi-step reaction with 3 steps 1.1: potassium trimethylsilanolate / CH2Cl2; acetonitrile / 1 h / -10 °C 1.2: 0.90 g / CH2Cl2; acetonitrile / 5 h / -10 - 20 °C 2.1: trifluoroacetic acid; anisole / CH2Cl2 / 0.25 h / cooling 3.1: 120 mg / CHCl3; dimethylsulfoxide / 24 h / 20 °C View Scheme |
7-Aminocephalosporanic acid
Nitrocefin
Conditions | Yield |
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Multi-step reaction with 6 steps 1.1: water; sodium hydroxide / methanol / -20 - -10 °C 2.1: sodium hydroxide / acetone; water / 0 °C / pH 8 2.2: 0.5 h 3.1: phosphorus tribromide / tetrahydrofuran / -5 °C / Inert atmosphere 4.1: ethyl acetate / 15 h / 20 °C 5.1: sodium carbonate / dichloromethane / 2.5 h / 0 - 20 °C 6.1: methoxybenzene; trifluoroacetic acid / dichloromethane / 0.5 h / 0 °C View Scheme |