23-DIBROMOBENZO(B)THIOPHENE97
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23-DIBROMOBENZO(B)THIOPHENE97
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CAS No:
6287-82-7
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Formula:
C8H4Br2S
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Chemical Name:
23-DIBROMOBENZO(B)THIOPHENE97
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Synonyms:
2,3-Dibromobenzo[b]thiophene;2,3-Dibromobenzothiophene;2,3-Dibromothianaphthene;2,3-dibromo-1-benzothiophene;Benzo(b)thiophene, 2,3-dibromo-;2 3-DIBROMOBENZO(B)THIOPHENE 97;C8H4Br2S;dibromobenzothiophene;NSC12000;NSC 12000
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CAS No:
Safety Information
UN 2811 6.1/PG 3
3
R25;R36
S26;S45
T
P301 + P310-P305 + P351 + P338
H301-H319-H413
|Danger|H301 (97.44%): Toxic if swallowed [Danger Acute toxicity, oral]|P264, P270, P273, P280, P301+P310, P305+P351+P338, P321, P330, P337+P313, P405, and P501|Aggregated GHS information provided by 39 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
23-DIBROMOBENZO(B)THIOPHENE97 Use and Manufacturing
In the DCM solvent, in the presence of potassium acetate, benzothiophene (11) was brominated using bromine the benzothiophene. A white solid of compound (12) was obtained in a yield of 100percent. In addition, equation (1) when manufacturing the compound shown, compound (11) gives the desired compound X can be replaced.A solution of 18 g (134 mmol) of benzo[b]thiophene in 200 mL of chloroform was stirred and to this mixture was added 42.9 g (13.7 mL, 268 mmol) of bromine in 100 mL of chloroform dropwise at RT over 1.5 h. After stirring for 18 h, solid NaHCOBenzo[b]thiophene (10 g, 74.5 mmol) was dissolved in 250 ml of chloroform. The resulting solution was cooled down to 0°C and bromine (7.87 ml, 152.8 mmol) was added. The mixture was stirred for 12h. The reaction mixture was poured into water and extracted with chloroform. The organic layer was separated, dried over anhydrous magnesium sulfate, and evaporated under reduced pressure to afford (3) as a white solid, yield 90percent. To a CHA. A. Synthesis of (R, R) [3, 4-bis(2', 5'-dimethylphospholanyl)]-benzo[b]thiophene
Computed Properties
Molecular Weight:291.99
XLogP3:4
Hydrogen Bond Acceptor Count:1
Exact Mass:291.83800
Monoisotopic Mass:289.84005
Topological Polar Surface Area:28.2
Heavy Atom Count:11
Complexity:151
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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