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Chemical Structure| 223671-16-7 Chemical Structure| 223671-16-7

Structure of 223671-16-7

Chemical Structure| 223671-16-7

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Product Details of [ 223671-16-7 ]

CAS No. :223671-16-7
Formula : C9H6BrNO
M.W : 224.06
SMILES Code : BrC1=CC2=CC=[N+]([O-])C=C2C=C1
English Name :6-Bromoisoquinoline 2-oxide
MDL No. :MFCD20483639

Safety of [ 223671-16-7 ]

Application In Synthesis of [ 223671-16-7 ]

* 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.

  • Downstream synthetic route of [ 223671-16-7 ]

[ 223671-16-7 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 81290-20-2 ]
  • [ 223671-16-7 ]
  • [ 1256836-88-0 ]
YieldReaction ConditionsOperation in experiment
41% With potassium <i>tert</i>-butylate In tetrahydrofuran at -30 - -20℃; for 0.666667h; Molecular sieve; Inert atmosphere;
Stage #1: 6-bromoisoquinoline 2-oxide In tetrahydrofuran Molecular sieve; Stage #2: (trifluoromethyl)trimethylsilane With potassium <i>tert</i>-butylate In tetrahydrofuran 6-bromo-1-(trifluoromethyl)isoquinoline To a solution of &hromo soqutholine2oxide (50 g. 0223 moles) in THE (750 niL. 15 vol.) was added molecular sieve (25g. A0. 50% w/w) and stirred for 10 mm. The reaction mass was cooled to - 40 to 45 Cf and TritluoromethyI TrimethyJ silane (47.6 g, 0.334 mob was added slowly at - 40 to - 45 C over a period of 30 minjbllowed by t-BuOK (75J3 g.0.669 mol) in 3 lots over a period of’ 30 miii. The reaction mass stirred for I h at 40 to - ?C. The reaction progress was monitored, h TLC (Note: After 1 ii, TIC shows the absence of Jnt). The reaction mass was quenched with water (30 ?) and diluted with ethyl acetate, filtered the mass throtwh celite bed and washed the bed with ethyl acetate (10 V). The organic layer was separated and washed with brine solution (10 V). drecI the organic layer over sodium sulphate. Filtered the organic kiyer and concentrated com,letely under vacuum to get the crude mass of lnt.5 as a oily mass. The crude i,roduct was further puilfied by column chromatography (usIng 60-120 mesh) and eluted wIth L.A in hexanes to get int.5 as a pale brown solid.
  • 2
  • [ 223671-16-7 ]
  • [ 1256787-42-4 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: trichlorophosphate / 0.5 h / 70 °C 2.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 0.5 h / -60 °C / Inert atmosphere
  • 3
  • [ 223671-16-7 ]
  • [ 1301214-60-7 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1.1: trichlorophosphate / 0.5 h / 70 °C 2.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 2.2: 0.5 h / -60 °C / Inert atmosphere 3.1: hydrogenchloride / water / 2 h / 100 °C
  • 4
  • [ 223671-16-7 ]
  • [ 1254514-00-5 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: trichlorophosphate / 0.5 h / 75 - 85 °C 2: trimethylsilyl bromide / acetonitrile / Reflux
 

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