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[ CAS No. 352525-97-4 ] {[proInfo.proName]}

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Chemical Structure| 352525-97-4
Chemical Structure| 352525-97-4
Structure of 352525-97-4 * Storage: {[proInfo.prStorage]}
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Product Details of [ 352525-97-4 ]

CAS No. :352525-97-4 MDL No. :N/A
Formula : C12H11BO2 Boiling Point : -
Linear Structure Formula :- InChI Key :KALBJZHUZHGTCI-CMDGGOBGSA-N
M.W : 198.03 Pubchem ID :55255236
Synonyms :

Safety of [ 352525-97-4 ]

Signal Word:Warning Class:
Precautionary Statements:P261-P280-P301+P312-P302+P352-P305+P351+P338 UN#:
Hazard Statements:H302-H315-H319-H335 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 352525-97-4 ]

* 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 [ 352525-97-4 ]

[ 352525-97-4 ] Synthesis Path-Downstream   1~6

  • 1
  • [ 352525-97-4 ]
  • [ 1133798-57-8 ]
YieldReaction ConditionsOperation in experiment
In toluene for 3h; Inert atmosphere; Reflux;
  • 2
  • [ 352525-97-4 ]
  • [ 258860-15-0 ]
  • [ 1400414-58-5 ]
YieldReaction ConditionsOperation in experiment
93% With bis-triphenylphosphine-palladium(II) chloride; water; sodium hydrogencarbonate In 1,2-dimethoxyethane at 80℃; for 19h; Inert atmosphere; (E)-3,5-bis(4-methoxyphenyl)-4-(2-(naphthalen-4-yl)vinyl)isoxazole (3o) According to the general procedure above, iodoisoxazole 1 (180 mg, 0.442 mmol), trans- 1-napthalene-2-vinylboronic acid (131.3 mg, 0.663 mmol), NaHCO3 (111.7 mg, 1.33 mmol), DME (4 mL), H2O (3 mL), and Pd(PPh3)Cl2 (9.1 mg, 0.013 mmol) were stirred at 80oC under argon atmosphere for 19 h. The resulting dark, brown mixture was allowed to cool to room temperature at which point EtOAc (50 mL) was added. The separated organic layer was washed with H2O (15 mL), 2M NaOH (3 x 15 mL), and H2O (15 mL). The combined aqueous phase was backwashed with EtOAc (3 x 15 mL). The combined organic phase was filtered through celite, dried (MgSO4), filtered, and concentrated in vacuo to yield a yellow/orange solid (259.2 mg). Purification by silica gel column chromatography (1:3 CH2Cl2/hexanes, fractions monitored by TLC 2:1 CH2Cl2/hexanes) followed by recrystallization (CH2Cl2/hexanes) afforded 177.6 mg of pure 3o as white/brown crystals and a white/yellow solid from the filtrate (93%). mp 157-160oC. Rf= 0.3 (2:1 CH2Cl2/hexanes). 1H NMR (CDCl3, 300 MHz): δ 3.88 (s, overlapping, 6H, -OCH3), 7.01 (d, J = 16.2 Hz, 1H, vinyl-H2), 7.04 (d, overlapping, 4H, ArH-o-to-OCH3), 7.40-7.50 (t,t,t,d, overlapping, 4H, naphthalene-H3,-H7-H8 + vinyl-H1), 7.66-7.70 (m, overlapping, 2H, naphthalene-H2, -H4), 7.71 (d, J = 8.7 Hz, 2H, Ar(A)H-o-to-isoxazole), 7.78-7.83 (d,d, overlapping, 2H, naphthalene-H6,-H9), 7.84 (d, J = 9 Hz, 2H, Ar(B)H-o-to-isoxazole). 13C NMR (CDCl3, 75.4 MHz): δ 166.30 (C5-isoxazole), 162.33 (C3-isoxazole), 161.18 (Ar(A)C-ipso-to-OCH3), 160.89 (Ar(B)C-ipso-to-OCH3), 135.02 (ethenyl-C2), 133.84 (C1-napthalene), 131.36 (C5-naphthalene), 131.34 (C10-naphthalene), 130.54 (Ar(A)C-o-to-isoxazole), 129.37 (Ar(B)C-o-to-isoxazole), 128.51 (C6-naphthalene), 128.51 (C4-naphthalene), 126.31 (C8-naphthalene), 126.16 (C7-naphthalene), 125.89 (C3-naphthalene), 123.92 (C9-naphthalene), 123.42 (C2-naphthalene), 122.19 (Ar(A)C-ipso-to-isoxazole), 121.11 (Ar(B)C-ipso-to-isoxazole), 119.43 (ethenyl-C1), 114.67 (Ar(A)C-o-to-OCH3), 114.53 (Ar(B)C-o-toOCH3), 111.92 (C4-isoxazole), 55.65 (OCH3), 55.61 (OCH3).
  • 3
  • [ 1127-76-0 ]
  • [ 352525-97-4 ]
YieldReaction ConditionsOperation in experiment
61% With benzo[1,3,2]dioxaborole; at 70℃; for 1h;Inert atmosphere; General Procedure for Generation of Vinylboronic acids (5n-p) from Hydroboration/Hydrolysis. To a dried (120oC, overnight) 10 mL round bottom flask charged with stir bar the appropriate aryl ethynyl starting material was added and degassed under Ar for 30 min. 3.0 equivalents of catecholborane neat was added and the resulting mixture was submerged in a heated oil bath (40oC). The mixture was heated to 70oC and stirred for 1 hr. The solution was allowed to cool to room temperature at which point H2O (10 mL) was added. The resulting solution was transferred to an Erlenmeyer flask, more H2O (~50 mL) was added and the solution was mixed for 1 hr at 25 oC. The resulting solid was vacuum filtered and recrystallized with boiling H2O <strong>[1127-76-0]1-ethynylnapthalene</strong> (Aldrich) (0.43 mL, 3.0 mmol) reacted with catecholborane neat (0.95 mL, 9.0 mmol) to afford 361.6 mg as white crystals 5o [3] after recrystallization (61%). mp 128-147 oC. 1H NMR (d6-acetone, 300 MHz): delta?6.34(d, J = 18.3 Hz, 1H, vinyl-H), 7.99-7.58 (m, 3H, H7, H8, H3), 7.78 (d, J= 7.2 Hz, H2), 7.87-7.94 (m, 2H, H4, H9), 8.29 (m, 1H, H6). 13C NMR (d6-acetone, 75.4 MHz): delta? 143.56 (ethenyl-C2), 135.91 (C1), 134.09 (C5), 131.09 (C10), 128.82 (C6), 128.76 (C4), 126.44 (C7), 126.05 (C8), 125.91 (C3), 123.80 (C9), 123.68 (C2).
  • 4
  • [ 131-62-4 ]
  • [ 352525-97-4 ]
  • C19H13IO2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
61% Stage #1: (E)-(2-(naphthalen-1-yl)vinyl)boronic acid With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: 1-hydroxy-1,2-benzodioxol-3-(1H)-one In dichloromethane Stage #3: With pyridine In dichloromethane at 20℃; for 0.166667h;
  • 5
  • [ 131-62-4 ]
  • [ 352525-97-4 ]
  • (E)-1-ethoxy-4-(naphthalen-1-yl)-1-oxobut-3-en-2-yl 2-iodobenzoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 0.5 h / 20 °C / Inert atmosphere 1.3: 0.17 h / 20 °C 2.1: 2,2'-(1-methylethylidiene)bis(5,5-dimethyl-4,5-dihydrooxazole); tetrakis(acetonitrile)copper(I)tetrafluoroborate / 1,2-dichloro-ethane / 25 °C / Inert atmosphere
  • 6
  • [ 15727-65-8 ]
  • [ 274-07-7 ]
  • [ 352525-97-4 ]
YieldReaction ConditionsOperation in experiment
33% at 0 - 70℃; for 3h; Inert atmosphere;
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