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Chemical Structure| 87967-95-1 Chemical Structure| 87967-95-1

Structure of 87967-95-1

Chemical Structure| 87967-95-1

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Product Details of [ 87967-95-1 ]

CAS No. :87967-95-1
Formula : C11H9NO2
M.W : 187.20
SMILES Code : O=CC1=C(C)ON=C1C2=CC=CC=C2
MDL No. :MFCD02677714

Safety of [ 87967-95-1 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302
Precautionary Statements:P280-P305+P351+P338

Application In Synthesis of [ 87967-95-1 ]

* 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 [ 87967-95-1 ]

[ 87967-95-1 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 79836-78-5 ]
  • [ 87967-95-1 ]
  • [ 1254970-03-0 ]
YieldReaction ConditionsOperation in experiment
19% With acetic anhydride; acetic acid; at 120℃; for 144h; Example 632- [(E)-2-(5-Methyl-3-phenyl-isoxazol-4-yl)-vinyl] -thiazole-5-carboxylic acid (tetra- hydro-pyran-4-yl)-amidea) 2-[(E)-2-(5-Methyl-3-phenyl-isoxazol-4-yl)-vinyl]-thiazole-5-carboxylic acid ethyl ester2-Methyl-thiazole-5-carboxylic acid ethyl ester (547 mg, 2.92 mmol) was dissolved in acetic anhydride (0.15 mL, 15.5 mmol) and acetic acid (0.04 mL, 2.54 mmol) then 5-methyl-3- phenyl-4-isoxazolecarbaldehyde (500 mg, 2.92 mmol) was added and the reaction mixture warmed to 1200C. After 6 days, the reaction mixture was cooled to room temperature then diluted with water and extracted with ethyl acetate. The combined organic extracts were dried, filtered and concentrated then purified by chromatography (silica, 0 to 30 percent ethyl acetate in heptane) to give the title compound (191 mg, 19percent) as an off-white solid after trituration with isopropylether. MS: m/e = 341.3 [M+H]+.
  • 2
  • [ 53137-27-2 ]
  • [ 87967-95-1 ]
  • C17H16N2O4S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Example 684-Methyl-2- [(E)-2-(5-methyl-3-phenyl-isoxazol-4-yl)-vinyl] -thiazole-5-carboxylic acid isopropylamidea) 2-[2-Hydroxy-2-(5-methyl-3-phenyl-isoxazol-4-yl)-ethyl]-4-methyl-thiazole-5-carbox- ylic acid methyl esterTo a stirred solution of <strong>[53137-27-2]2,4-dimethyl-thiazole-5-carboxylic acid</strong> (0.84 g, 5.34 mmol) in THF (50 mL) at -78C and under argon was added n-butyllithium (7.63 mL of a 1.40M solution in hexane, 10.7 mmol) dropwise. After 1 h, a solution of 5 -methyl-3 -phenyl- isoxazole-4- carbaldehyde (1.0 g, 5.34 mmol) in THF (50 mL) was added dropwise. After 3h the reaction mixture was quenched with 10 % aqueous citric acid (50 mL) then warmed to room temperature. The reaction mixture was extracted with ethyl acetate then the combined extracts were dried, filtered and concentrated. The resultant oil was redissolved in ethyl acetate, washed with water then dried, filtered and concentrated in vacuo. The resultant residue was dissolved in methanol (40 mL) and ether (20 mL) then (trimethylsilyl)diazomethane (4.0 mL of a 2M solution in ether, 8.0 mmol) was added dropwise. After 30 min, further (trimethylsilyl)diazomethane (4.0 mL of a 2M solution in ether, 8.0 mmol) was added. After 15 h, the reaction mixture was quenched with acetic acid (3 drops) then was concentrated and the residue redissolved in ethyl acetate and washed with NaOH (2 N). The organic phase was dried, filtered and concentrated then purified by chromatography (silica, 10 to 40% ethyl acetate in heptane) to give the title compound (500 mg, 26%) as a yellow foam. MS: m/e = 359.0 [M]+.
 

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