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Chemical Structure| 682757-49-9 Chemical Structure| 682757-49-9

Structure of 682757-49-9

Chemical Structure| 682757-49-9

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Product Details of [ 682757-49-9 ]

CAS No. :682757-49-9
Formula : C10H16N2O2
M.W : 196.25
SMILES Code : O=C(C1=NN(C(C)(C)C)C=C1)OCC
MDL No. :MFCD19105551

Safety of [ 682757-49-9 ]

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

Application In Synthesis of [ 682757-49-9 ]

* 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.

  • Upstream synthesis route of [ 682757-49-9 ]
  • Downstream synthetic route of [ 682757-49-9 ]

[ 682757-49-9 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 682757-49-9 ]
  • [ 950858-65-8 ]
YieldReaction ConditionsOperation in experiment
78%
Stage #1: With methanol; lithium hydroxide; water In tetrahydrofuran at 25℃; for 12 h;
Stage #2: With hydrogenchloride; water In tetrahydrofuran; methanol; ethyl acetate
Method 66; 1 -fert-Butyl- lH-pyrazole-4-carboxylic acid; A solution of ethyl l-ter^butyl-lH-pyrazole-3-carboxylate (Method 65; 327 mg, 1.66 mmol) in THF-MeOH-H2O (3:1:1, 8 ml) was treated with LiOH (120 mg, 5.0 mmol). The reaction mixture was stirred at 25 0C for 12 h. H2O and EtOAc were added to the reaction mixture and the resulting solution was acidified with 10percent HCl. The organics were dried with Na2SO4(s) and concentrated under reduced pressure to yield 217 mg (78 percent). m/z 168.
References: [1] Patent: WO2007/71963, 2007, A2, . Location in patent: Page/Page column 59.
 

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