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Chemical Structure| 34137-14-9 Chemical Structure| 34137-14-9

Structure of 34137-14-9

Chemical Structure| 34137-14-9

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Product Details of [ 34137-14-9 ]

CAS No. :34137-14-9
Formula : C10H12O3
M.W : 180.20
SMILES Code : O=C(OC)C1=CC(C)=C(O)C(C)=C1
MDL No. :MFCD06203665

Safety of [ 34137-14-9 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Application In Synthesis of [ 34137-14-9 ]

* 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.

  • Downstream synthetic route of [ 34137-14-9 ]

[ 34137-14-9 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 19064-24-5 ]
  • [ 34137-14-9 ]
  • [ 866082-35-1 ]
YieldReaction ConditionsOperation in experiment
96 - 100% With caesium carbonate; In N,N-dimethyl-formamide; at 80℃; for 16h;Product distribution / selectivity; Preparation of Intermediate 2-5; Step 1; [0056] Following the general procedure described for step 1 in example 1, 4- hydroxy-3,5-dimethyl-benzoic acid methyl ester (1.0 g, 5.55 mmol) was reacted with 2,6-difluronitrobenzene giving 1.70 g (96%) of crude 2-1 which was used in the next step without purification.; Example 14; Step 1; [00137] Following the procedure described for step 3 in example 8, 4-hydroxy- 3,5-dimethylbenzoic acid methyl ester (708 mg; 3.93 mmol) was reacted with 2,6- EPO <DP n="67"/>difluoronitrobenzene giving, after purification by FCC (silica gel; elution with 1 : 1 hexanes:EtOac), 1.3 g (100%) of 14-1.
  • 2
  • [ 34137-14-9 ]
  • [ 158690-56-3 ]
  • [ 942998-95-0 ]
YieldReaction ConditionsOperation in experiment
86% With caesium carbonate; In N,N-dimethyl-formamide; at 50℃; Methyl 4-(2-(tert-butyloxycarbonylamino)ethoxy-3,5 -dimethylbenzoate. A stirred solution of methyl 4-hydroxy-3,5-dimethylbenzoate (8.65 g, 48.06 mmol) and caesium carbonate (23.5 g, 72.08 mmol) in N,N-dimethylformamide (50 ml) at 50 C was treated with N- (tert-butyloxycarbonyl)-O-(4-methylphenylsulphonyl)-ethanolamine (23.0 g, 0.73 mmol) in small portions over a period of 8 h. The mixture was stirred at 50 C overnight and the solvent removed in vacuo. The residues were partitioned between 2 M sodium hydroxide and dichloromethane, the organic layer separated and evaporated to dryness in vacuo to afford the crude product as a brown oil. Purification by column chromatography on silica eluting with 5-20% ethyl acetate in petroleum ether afforded the product as a colorless solid (13.4 g, 86%). 1H NMR (DMSOd6) 7.65 (2H, s), 7.09 (IH, t), 3.82 (3H, s), 3.78 (2H, m), 3.30 (2H, m), 2.26 (6H, s), 1.40 (9H, s). LC/MS: (PS-A2) Rt 3.38 [M+H]+ 324.
 

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