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[ CAS No. 1044270-96-3 ] {[proInfo.proName]}

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Chemical Structure| 1044270-96-3
Chemical Structure| 1044270-96-3
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Product Details of [ 1044270-96-3 ]

CAS No. :1044270-96-3 MDL No. :MFCD16659986
Formula : C8H11BrN2O Boiling Point : -
Linear Structure Formula :- InChI Key :DFCAINPSKAFWCM-UHFFFAOYSA-N
M.W : 231.09 Pubchem ID :57576537
Synonyms :

Safety of [ 1044270-96-3 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 1044270-96-3 ]

* 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 [ 1044270-96-3 ]

[ 1044270-96-3 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 110-87-2 ]
  • [ 1187582-58-6 ]
  • [ 1044270-96-3 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: toluene-4-sulfonic acid / toluene / 3 h / 87 - 95 °C 2.1: diisopropylamine; TurboGrignard / tetrahydrofuran / 19 - 27 °C 2.2: 0.5 h / 5 - 10 °C
  • 2
  • [ 449758-17-2 ]
  • [ 1187582-58-6 ]
  • [ 1044270-96-3 ]
YieldReaction ConditionsOperation in experiment
Stage #1: 1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole With TurboGrignard; diisopropylamine In tetrahydrofuran at 19 - 27℃; Stage #2: With 1,2-dibromo-1,1,2,2-tetrachloroethane In tetrahydrofuran at 5 - 10℃; for 0.5h; 3; 4 Example 3. Halogenation. 5 mL of zPr2NH and 120 mL of 1.3 M zPrMgCl/LiCl in THF was added to a solution of 19.4 g of l-(tetrahydro-2H-pyran-2-yl)-lH-pyrazole in 225 mL THF over 1 hour at room temperature. The temperature was maintained at a temperature from 19 °C to 27 °C during addition. The resulting mixture was stirred overnight at room temperature. After cooling to 5 °C, a solution of 1,2-dibromotetrachloroethane (51 g in 100 mL THF) was added over 30 min, during which the temperature was maintained below 10 °C. After warming to room temperature, saturated NH4CI (aq) was added. The organic layer was separated and concentrated to afford a dark oil comprising 5-bromo-l-(tetrahydro-2H-pyran-2-yl)-lH-pyrazole and 3-bromo-l- (tetrahydro-2H-pyran-2-yl)-lH-pyrazole.
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