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Chemical Structure| 749869-98-5 Chemical Structure| 749869-98-5

Structure of 749869-98-5

Chemical Structure| 749869-98-5

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Product Details of [ 749869-98-5 ]

CAS No. :749869-98-5
Formula : C15H19BO2
M.W : 242.12
SMILES Code : CC1(C)C(C)(C)OB(C(C2)=CC3=C2C=CC=C3)O1
MDL No. :MFCD11506072
InChI Key :GHLNFPJNICWOHP-UHFFFAOYSA-N
Pubchem ID :68998577

Safety of [ 749869-98-5 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 749869-98-5 ]

* 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 [ 749869-98-5 ]

[ 749869-98-5 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 10485-09-3 ]
  • [ 25015-63-8 ]
  • [ 749869-98-5 ]
YieldReaction ConditionsOperation in experiment
69% With bis-triphenylphosphine-palladium(II) chloride; triethylamine; In 1,4-dioxane; at 80℃; for 5.5h;Inert atmosphere; Schlenk technique; The synthesis of 2-indenylboronate (2-indenylpinacolylborane) from <strong>[10485-09-3]2-bromoindene</strong> and pinacolborane is schematically represented by reaction 2 below: (reaction 2) (PPh3)2PdCI2 (0.54 g, 0.77 mmol) and <strong>[10485-09-3]2-bromoindene</strong> (4.98 g, 25.54 mmol) were placed in an oven-dried Schlenk flask and dioxane (50 ml_) was added. Triethylamine (10.7 ml_, 76.6 mmol) and 4,4,5,5-tetramethyl-1 ,3,2-dioxaborolane (5.56 ml_, 38.31 mmol) were added successively by syringe at room temperature (25C) under nitrogen. The reaction flask was stirred at 80 C for 5.5 h. The reaction mixture was cooled to room temperature and quenched with water, and saturated brine (20 ml_) was added. The organic layer was separated and the aqueous layer was extracted with ethyl ether (2 x 50 ml_). The combined organic layers were washed with brine, dried over Na2S04 and concentrated. The residue was purified by Kugelrohr distillation to give 2- indenylboronate as a white solid (mp 73-74 C) in 69% yield. The product can be stored and handled in air. 1H NMR (300 MHz, CDCI3) 7.58 (s, 1 H), 7.50 (d, J = 7Hz, 1 H), 7.46 (d, J= 7 Hz, 1 H), 7.30-7.21 (m, 2H), 3.54 (s, 2H), 1.33 (s, 12H); 13C NMR (75 MHz, CDCI3) 147.0, 145.7, 145.0, 126.3, 126.0, 124.0, 122.0, 83.6, 41.7, 25.1.
69% With bis-triphenylphosphine-palladium(II) chloride; triethylamine; In 1,4-dioxane; at 80℃; for 5.5h;Inert atmosphere; Schlenk technique; The synthesis of 2-indenylboronate (2-indenylpinacolylborane) from <strong>[10485-09-3]2-bromoindene</strong> and pinacolborane is schematically represented by reaction 2 below: (reaction 2) (PPh3)2PdCI2 (0.54 g, 0.77 mmol) and <strong>[10485-09-3]2-bromoindene</strong> (4.98 g, 25.54 mmol) were placed in an oven-dried Schlenk flask and dioxane (50 mL) was added. Triethylamine (10.7 mL, 76.6 mmol) and 4,4,5, 5-tetramethyl-1 ,3,2-dioxaborolane (5.56 mL, 38.31 mmol) were added successively by syringe at room temperature (25C) under nitrogen. The reaction flask was stirred at 80 C for 5.5 h. The reaction mixture was cooled to room temperature and quenched with water, and saturated brine (20 ml_) was added. The organic layer was separated and the aqueous layer was extracted with ethyl ether (2 x 50 ml_). The combined organic layers were washed with brine, dried over Na2S04 and concentrated. The residue was purified by Kugelrohr distillation to give 2- indenylboronate as a white solid (mp 73-74 C) in 69% yield. The product can be stored and handled in air. 1H NMR (300 MHz, CDCI3) 7.58 (s, 1 H), 7.50 (d, J = 7Hz, 1 H), 7.46 (d, J = 7 Hz, 1 H), 7.30-7.21 (m, 2H), 3.54 (s, 2H), 1.33 (s, 12H); 13C NMR (75 MHz, CDCI3) 147.0, 145.7, 145.0, 126.3, 126.0, 124.0, 122.0, 83.6, 41.7, 25.1.
 

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[ 749869-98-5 ]

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