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[ CAS No. 918904-39-9 ]

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Chemical Structure| 918904-39-9
Chemical Structure| 918904-39-9
Structure of 918904-39-9 * Storage: {[proInfo.prStorage]}

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Product Details of [ 918904-39-9 ]

CAS No. :918904-39-9 MDL No. :MFCD17214245
Formula : C10H14BBrO3 Boiling Point : -
Linear Structure Formula :- InChI Key :-
M.W :272.93 g/mol Pubchem ID :-
Synonyms :

Safety of [ 918904-39-9 ]

Signal Word:Warning Class:
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 UN#:
Hazard Statements:H302-H315-H319-H335 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 918904-39-9 ]

  • Downstream synthetic route of [ 918904-39-9 ]

[ 918904-39-9 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 918904-39-9 ]
  • [ 317319-10-1 ]
  • [ 918904-38-8 ]
YieldReaction ConditionsOperation in experiment
65% With copper diacetate; triethylamine In dichloromethane for 216h; Molecular sieve; B (4-Hydroxy-2-methyl-phenoxy)-acetic acid methyl ester ( 215 mg; 1.1 mmol), 3- Bromo-5-isobutoxy-phenylboronic acid (523.4; 1.9 mmol), copper(II) acetate (199 mg; 1.1 mmol), crushed molsieves (about Ig) and triethylamine (0.46 ml; 3.3 mmol) was dissolved in dichloromethane (40 ml) and stirred over night. The reaction mixture was filtered through celite and evaporated to dryness. The crude product was purified by preperative HPLC(method B). Yield: 300 mg; 65%. HPLC-MS: m/z: 423.5 (M+); Rt: 2.71 min EPO
  • 2
  • [ 13195-76-1 ]
  • [ 918904-39-9 ]
YieldReaction ConditionsOperation in experiment
49% Stage #1: 3,5-dibromo-1-isobutoxybenzene With n-butyllithium In tetrahydrofuran at -70℃; for 0.25h; Stage #2: triisobutyl borate In tetrahydrofuran at -30℃; for 1.5h; A l,3-Dibromo-5-isobutoxy- benzene (1. g; 3.3 mmol) was dissolved in dry THF (30 ml) in a dry reaction under stirring. The reaction mixture was cooled to -70 °C and n-BuLi (2M; 2.44 ml) was added. The reaction mixture was stirred for 15 min. and triisobutylborate (1.50 ml; 6.5 mmol) was added at -70 °C. The temperature was raised to -30 °C and stirred for IVi hour followed by a temperature increase to room temperature. The reaction mixture was quenched with saturated aqueous sodium hydrogen carbonate (about 3 ml) and evaporated to dryness. The crude product was purified by prep HPLC (method B). Yield: 430 mg; 49 %. HPLC-MS: m/z: 272.9 (M+); Rt: 2.08 min
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