(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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![(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220811/37db08565b954782af2491ae290b3a4b.png "(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid")
(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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CAS No:
53994-69-7
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Formula:
C7H7ClN2O3S
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Chemical Name:
(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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Synonyms:
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-amino-3-chloro-8-oxo-,(6R,7R)-;5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-amino-3-chloro-8-oxo-,(6R-trans)-;(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;7β-Amino-3-chloro-3-cephem-4-carboxylic acid;7-Amino-3-chloro-3-cephem-4-carboxylic acid;3-Chloro-7-amino-3-cephem-4-carboxylic acid;7-Amino-3-chlorocephalosporanic acid
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CAS No:
(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Basic Attributes
234.66
234.66
258-907-4
2934996000
Characteristics
109
-2.8
Pale Yellow Solid
1.81g/cm3
>180°C (分解)
498.9°C at 760 mmHg
255.5±28.7 °C
1.735
-20˚C Freezer, Under Inert Atmosphere
Safety Information
IRRITANT
Xi
P261, P272, P280, P285, P302+P352, P304+P341, P321, P333+P313, P342+P311, P363, P501
H317
(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Use and Manufacturing
Formulated NaBH4 aqueous solution: 16.56g H2O + 4.73g NaBH4 (0.125mol), Stir and dissolve, and control the temperature between 5 and 10 C.Into a 500 mL four-necked flask, put methanol (117.35 g), water (117.35 g), and To the reactor was added 100 ml of a dichloromethane solvent, Temperature control is 25C , Accurately weigh 20.00g
7-Amino-3-chloro-3-cephem-4-carboxylic acid is used as an intermediate in the preparation of semi-synthetic cephalosprin antibiotics.
Price Analysis
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8 YRS
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(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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