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Type HazMat fee for 500 gram (Estimated)
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Chemical Structure| 40032-76-6 Chemical Structure| 40032-76-6

Structure of 40032-76-6

Chemical Structure| 40032-76-6

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Product Details of [ 40032-76-6 ]

CAS No. :40032-76-6
Formula : C5H4Br2S
M.W : 255.96
SMILES Code : BrCC1=C(Br)SC=C1
MDL No. :MFCD02180908
InChI Key :ZPWPMAAPQZXPDD-UHFFFAOYSA-N
Pubchem ID :2735537

Safety of [ 40032-76-6 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H302-H314
Precautionary Statements:P261-P280-P305+P351+P338-P310
Class:8
UN#:3265
Packing Group:

Application In Synthesis of [ 40032-76-6 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Upstream synthesis route of [ 40032-76-6 ]

[ 40032-76-6 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 40032-76-6 ]
  • [ 1860-99-7 ]
YieldReaction ConditionsOperation in experiment
78.8% With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In dimethyl sulfoxide at 60 - 70℃; Inert atmosphere In a 250 ml two-necked flask, 11.9 g of 2-bromo-3- (bromomethyl) thiophene (256 g mol- 1, 11.9 g, 46 mmol)Pump without water treatment.Under N2 protection, 20.8 g of IBX (280 g mol-1, 20.8 g, 74 mmol, 1.6 equiv)Add 130ml anhydrous DMSO, 60-70°C oil bath for 3-4 hours.After treatment: add 20ml of deionized water to quench the reaction. The mixture was extracted with dichloromethane, washed with a large amount of methylene chloride, and precipitated as a white solid. The filtrate was collected by suction filtration, dried and concentrated by column chromatography.Eluent petroleum ether / ethyl acetate 40: 1 (V: V).
References: [1] Journal of the American Chemical Society, 2014, vol. 136, # 19, p. 7132 - 7139.
[2] Patent: CN106588868, 2017, A, . Location in patent: Paragraph 0025; 0034; 0035; 0036; 0037.
[3] Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1983, p. 813 - 820.
 

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