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Chemical Structure| 128733-85-7 Chemical Structure| 128733-85-7

Structure of 128733-85-7

Chemical Structure| 128733-85-7

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Product Details of [ 128733-85-7 ]

CAS No. :128733-85-7
Formula : C11H17BO3
M.W : 208.06
SMILES Code : COC1=C(C=C(C=C1)C(C)(C)C)B(O)O
MDL No. :MFCD06201034
InChI Key :LXFOJKCQSAYVMF-UHFFFAOYSA-N
Pubchem ID :14740579

Safety of [ 128733-85-7 ]

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

Application In Synthesis of [ 128733-85-7 ]

* 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 [ 128733-85-7 ]

[ 128733-85-7 ] Synthesis Path-Downstream   1~35

  • 1
  • [ 128733-84-6 ]
  • [ 128733-85-7 ]
  • [ 128733-86-8 ]
  • 2
  • [ 128733-85-7 ]
  • [ 132268-08-7 ]
  • 5,5',5''-Tri-tert-butyl-2,2',2''-trimethoxy-[1,1';3',1'']terphenyl [ No CAS ]
  • 3
  • [ 610-97-9 ]
  • [ 128733-85-7 ]
  • 5'-<i>tert</i>-butyl-2'-methoxy-biphenyl-2-carboxylic acid methyl ester [ No CAS ]
  • 4
  • [ 38303-36-5 ]
  • [ 128733-85-7 ]
  • [ 916747-36-9 ]
  • 5
  • [ 128-63-2 ]
  • [ 128733-85-7 ]
  • 1,3,6,8-tetrakis(5-tert-butyl-2-methoxyphenyl)pyrene [ No CAS ]
  • 6
  • [ 128733-85-7 ]
  • [ 916747-40-5 ]
  • 7
  • [ 128733-85-7 ]
  • [ 916747-44-9 ]
  • 8
  • [ 128733-85-7 ]
  • 2-tert-butyldibenzo<b,d>pyran-6-one [ No CAS ]
  • 9
  • [ 944280-22-2 ]
  • [ 128733-85-7 ]
  • (4S,6S)-6-[3,5-bis(trifluoromethyl)phenyl]-3-[5'-tert-butyl-2'-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4-methyl-1,3-oxazinan-2-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
With potassium carbonate;dichloro[1,1'-bis(di-t-butylphosphino)ferrocene]palladium(II); In tetrahydrofuran; water; at 80℃; for 1.5h; (4S,65)-6-[3,5-bis(txifluorornethyl)phenyl]-3-[2-iodo-5-(trifluoromethyl)benzyl]-4-methyl-l,3-oxazinan- 2-one (Intermediate 23; 25 mg; 0.041 mmol), (5-rer.-butyl-2-methoxyphenyl)boronic acid (11.1 mg; 0.053 nxmol), l-l '-bis(di /erf-butylphosphino)ferrocene palladium dichloride (2.7 mg; 0.0041 mrnol), 1 N K2CO3 (1.2 mL) and THF (1.2 mL) were combined in a sealed tube and heated at 80C for 1.5 h. The reaction was diluted with H2O (10 mL) and extracted with EtOAc (3 x 10 mL). The combined extracts were washed with brine (10 mL), dried (Na2SO4), filtered and concentrated in vacuo. The residue was purified by flash silica gel chromatography (0-30% EtOAc/hexanes gradient) to afford (45,6-S)-6-[3,5- bis(trifluoromethyl)phenyl]-3-[5'-te/-/-butyl-2'-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4- methyl-l,3-oxazinan-2-one as a white solid. LCMS = 648.0 (M+l)+. lH NMR (CDCl3, 500 MHz, mixture of atropisomers): 5 7.86-7.83 (m, 2 H), 7.78 (s, 1 H), 7.68 (s, 1 H), 7.63-7.59 (m, 1 H), 7.44-7.36 (m, 2 H), 7.18 (dd, J = 6.7, 2.4 Hz, 1 H), 6.94 (d, J= 8.7 Hz5 1 H), 5.20 (d, J= 16 Hz, 1 H), 5.16 (d, J = 11.2 Hz, 1 H), 4.38 (d, J= 15.8 Hz, 1 H), 3.80 (s, 3 H), 3.41-3.34 (m, 1 H), 2.29-2.24 (m, 1 H), 1.88-1.81 (m, 1 H), 1.32 (s, 9 H), 1.02 (d, J= 6.2 Hz, 3 H).
  • 10
  • [ 75060-39-8 ]
  • [ 128733-85-7 ]
YieldReaction ConditionsOperation in experiment
To a solution of 4-tert-butyl-2-iodo-l-methoxybenzene (0.164 g, 0.56 mmol) in dry THF (5 mL) at -78 0C, M-butyl lithium (0.27 mL, 0.68 mmol, 2.5 M) was added. The solution was stirred at -78 0C for 30 min. Trimethyl borate (0.19 mL, 1.70 mmol) was added. The solution was stirred at -780C for 3 h. The reaction was quenched with saturated aqueous NH4Cl. The aqueous layer was extracted with EtOAc (3 x 15 mL). The combined EtOAc layers were dried over Na2SO4. The residue was used without further purification after evaporation of the solvent.
  • 11
  • [ 34160-40-2 ]
  • [ 128733-85-7 ]
  • [ 866613-68-5 ]
  • 12
  • [ 934842-20-3 ]
  • [ 128733-85-7 ]
  • C30H28F9NO3 [ No CAS ]
  • 13
  • [ 49669-22-9 ]
  • [ 128733-85-7 ]
  • [ 1332625-70-3 ]
  • 14
  • [ 128733-85-7 ]
  • C64H58N4O4 [ No CAS ]
  • 15
  • [ 128733-85-7 ]
  • C60H50N4O4 [ No CAS ]
  • 16
  • [ 128733-85-7 ]
  • [ 1332625-71-4 ]
  • 17
  • [ 128733-85-7 ]
  • [ 1332625-72-5 ]
  • 18
  • [ 128733-85-7 ]
  • [ 107-02-8 ]
  • [ 1339074-98-4 ]
  • 20
  • [ 128733-85-7 ]
  • [ 1379680-58-6 ]
  • 21
  • [ 128733-85-7 ]
  • [ 1379680-59-7 ]
  • 22
  • [ 128733-85-7 ]
  • [ 1379680-60-0 ]
  • 23
  • [ 128733-85-7 ]
  • [ 22385-96-2 ]
  • 24
  • [ 128733-85-7 ]
  • [ 75060-39-8 ]
  • [ 133373-15-6 ]
  • 25
  • [ 16400-51-4 ]
  • [ 128733-85-7 ]
  • [ 1374794-16-7 ]
YieldReaction ConditionsOperation in experiment
98% With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In water; toluene; at 100℃; for 72h;Inert atmosphere; 1.1.1. 4merMe. A mixture of 3,3'-dibromo-1,1'-biphenyl (7.00 g, 22.4 mmol), 5-tert-butyl-2-methoxyphenylboronic acid (10.4 g, 49.9 mmol), and Pd(PPh3)4 (259 mg, 0.224 mmol) in toluene (200 mL) and 2 M aq. K2CO3 (200 mL) was stirred at 100 C for 3 days under N2. The mixture was then extracted with EtOAc (3x200 mL). The organic layer was washed with H2O (200 mL) and brine (200 mL), dried over anhydrous MgSO4, filtered, and concentrated under reduced pressure. The crude product was purified by silica gel column chromatography (SiO2 (400 g), n-hexane/EtOAc=100/1 to 20/1 (v/v)) to give 4merMe as a white solid in 98% yield.
  • 26
  • [ 128733-85-7 ]
  • [ 866613-67-4 ]
  • 27
  • [ 128733-85-7 ]
  • [ 866613-69-6 ]
  • 28
  • [ 626-39-1 ]
  • [ 128733-85-7 ]
  • [ 1422465-68-6 ]
  • 29
  • [ 626-39-1 ]
  • [ 128733-85-7 ]
  • [ 1422465-69-7 ]
  • 30
  • [ 128733-85-7 ]
  • 6-(5-tert-butyl-2-methoxyphenyl)-6′-(tributylstannyl)-2,2′-bipyridine [ No CAS ]
  • 31
  • [ 128733-85-7 ]
  • 6,6′-bis(3-bromo-5-tert-butyl-2-methoxyphenyl)-2,2′-bipyridine [ No CAS ]
  • 32
  • [ 49669-22-9 ]
  • [ 128733-85-7 ]
  • [ 1332625-70-3 ]
  • 6-bromo-6′-(2-methoxy-5-methylphenyl)-2,2′-bipyridine [ No CAS ]
  • 33
  • [ 98-54-4 ]
  • [ 128733-85-7 ]
  • 34
  • [ 2198-66-5 ]
  • [ 128733-85-7 ]
  • 35
  • [ 3510-66-5 ]
  • [ 128733-85-7 ]
  • [ 1609654-41-2 ]
YieldReaction ConditionsOperation in experiment
99% A mixture of 2-bromo-5-methylpyridine [purchased from TCI] (0.827 g, 4.81 mmol), <strong>[128733-85-7](5-(tert-butyl)-2-methoxyphenyl)boronic acid</strong> [Intermediate 5] (1.2 g, 5.77 mmol) and potassium carbonate (0.997 g, 7.21 mmol) in dimethoxyethane (15 mL) and water (5 mL) was purged with nitrogen for 20 minutes. Tetrakis(triphenylphosphine)palladium(0) (277.8 mg, 0.24 mmol) was added and the reaction mixture heated to 80 C. in a sealed vial for 22 hours. The cooled reaction mixture was partitioned between ethyl acetate (80 mL) and 1 M aqueous sodium hydroxide solution (80 mL), the organic phase separated, washed with water (80 mL) and saturated brine (80 mL), dried (MgSO4), filtered and concentrated under reduced pressure to give a yellow syrup. The crude product was purified by chromatography on silica eluting with a solvent gradient of 0 to 35% ethyl acetate in hexanes to give 2-(5-(tert-butyl)-2-methoxyphenyl)-5-methylpyridine (1.216 g, 99% yield) as a colorless oil. HPLC/MS Rt=2.58 min, m/z 256.1 (M+H+).
 

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[ 128733-85-7 ]

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