Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> (2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

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Origin: China

Cas No: 76646-91-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 76646-91-8 Formula: C8H9Br2NO5S Molecular Weight: 391.03400

Description

6,6-Dibromopenicillanic Acid S,S-Dioxide is an impurity of the semi-synthetic β-lactamase inhibitor Sulbactam.

Basic Info

Chemical Name	(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4λ<sup>6</sup>-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Synonyms	6,6-DIBROMOPENICILLANIC ACID 1,1-DIOXIDE; 6,6-dibromopenicillanic acid S,S-dioxide; 6,6-Dibromopenicillanic acid sulfone; UNII-3KI73KUS8T; 6,6-dibromo-1,1-dioxopenicillanic acid;
CAS No.	76646-91-8
Molecular Formula	C8H9Br2NO5S
Molecular Weight	391.03400
PSA	100.13000
LogP	1.31970

Properties

Density	2.29g/cm3
Boiling Point	600.1ºC at 760 mmHg
Flash Point	316.8ºC
Refractive Index	1.685

Synthesis Route

(2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid→(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
(5R,6R)-6-amino-2,2-dimethyl-1,1-dioxopenam-3-carboxylic acid→(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
6-aminopenicillanic acid→(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Precursor

(2S,5R)-6,6-dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
(5R,6R)-6-amino-2,2-dimethyl-1,1-dioxopenam-3-carboxylic acid
6-aminopenicillanic acid

Downstream Product

Sulbactam sodium
benzhydryl (2S)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
(2S,5R,6S)-6β-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid,S,S-dioxide
(2S,5R,6R)-6-bromo-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

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