2-Bromo-3-chlorothiophene
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2-Bromo-3-chlorothiophene
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CAS No:
77893-68-6
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Formula:
C4H2BrClS
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Chemical Name:
2-Bromo-3-chlorothiophene
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Synonyms:
2-bromo-3-chlorothiophene;Thiophene, 2-bromo-3-chloro-;2-bromo-3-chloro-thiophene;SCHEMBL545901;CTK2H5911;2-bromanyl-3-chloranyl-thiophene;DTXSID20369161;2211AC;ANW-71362;MFCD00043882
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CAS No:
2-Bromo-3-chlorothiophene Use and Manufacturing
Compound 28-1 (0457) To a solution of 3-chlorothiophene (6.52 g, 55 mmol) in CHClUnder a nitrogen atmosphere, 3-chloro-thiophene 300ml three-necked flask (Sigma - Aldrich) 1.18 g (0.010 mol), chloroform 10ml and acetic acid was added 10ml.Under ice-cooling N- bromosuccinimide (manufactured by Wako Pure Chemical Industries) 1.96 g of (0.011 mol) was added dropwise and stirred for 18 hours at room temperature.Ice-cold sewage added to the reaction solution, followed by extraction with chloroform, the organic phase was washed with brine, dried over anhydrous sodium sulfate, to give a colorless liquid 1.84g of 2-bromo-3-chloro-thiophene (yield: 93percent).Example 1080 Neat bromine (0.8 mL, 24 mmol, 0.9 eq) was added dropwise over ~20 min to a stirred solution of Compound 1080A (2.00 g, 0.026 mmol) in carbon tetrachloride (4 mL) at 0 A solution of N-bromosuccinimide (221.7 g) in dimethylformamide (550 ml) was added dropwise over 75 min to a stirred solution of 3-chlorothiophene (143.4 g) and perchloric acid (70percent, 5.8 ml) cooled in an ice-water bath at 15° C.
Computed Properties
Molecular Weight:197.48
XLogP3:3.5
Hydrogen Bond Acceptor Count:1
Exact Mass:195.87491
Monoisotopic Mass:195.87491
Topological Polar Surface Area:28.2
Heavy Atom Count:7
Complexity:68.7
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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