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Chemical Structure| 1521-41-1 Chemical Structure| 1521-41-1
Chemical Structure| 1521-41-1

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3,4-Dimethoxybenzamide is a natural product isolated and purified from the leaves of Litsea costalis (Nees) Kosterm..

Synonyms: 3,4-Dimethoxybenzamide

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Product Details of 3,4-Dimethoxybenzamide

CAS No. :1521-41-1
Formula : C9H11NO3
M.W : 181.19
SMILES Code : COC1=C(OC)C=C(C=C1)C(N)=O
Synonyms :
3,4-Dimethoxybenzamide
MDL No. :MFCD00017128
InChI Key :XNDZRGTVUVVHQT-UHFFFAOYSA-N
Pubchem ID :73705

Safety of 3,4-Dimethoxybenzamide

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of 3,4-Dimethoxybenzamide

* 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 [ 1521-41-1 ]

[ 1521-41-1 ] Synthesis Path-Downstream   1~35

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  • 2-benzoyl-3-(3,4-dimethoxy-phenyl)-3-oxo-propionic acid ethyl ester [ No CAS ]
  • ammonium hydroxide [ No CAS ]
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  • 3,4-Dimethoxy-benzaldehyde oxime [ No CAS ]
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  • 3,4-Dimethoxy-benzaldehyde oxime [ No CAS ]
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YieldReaction ConditionsOperation in experiment
92% With [(eta.(5)-pentamethylcyclopentadienyl)Ir(H2O)3](OTf)2; In water; at 110℃; for 12h;Schlenk technique; To a stirred solution of 3, 4-dimethoxybenzaldehyde oxime (90.6 mg, 0.5 mmol), [Cp * Ir (H20) 3] [0Tf] 2 (5.1 mg, 0.0075 mmol, %) And water (lml) were added sequentially to a 25 ml Schlenk reaction flask. The reaction mixture was allowed to react at 110 C for 12 hours, then cooled to room temperature. The water was removed by rotary evaporation, and the product was isolated by column chromatography. Yield: 92%. (D, J = 1.9Hz, 2H, ArH), 7.34 (dd, J = 8.3Hz and J = 1.9Hz, 1Hz, ArH). NMR (500MHz, CDC13) , 3.88 (d, J = 8.4Hz, 1 H, ArH), 6.00 (br s, 1 H, N H), 5.88 (br s, 1 H, 13C NMR (125 MHz, CDC13)? 169.2, 152.1, 148.9, 125.8, 120.1, 110.7, 110. 2, 3? 56. 0.
82% With [(eta.(5)-pentamethylcyclopentadienyl)Ir(H2O)3](OTf)2; water; at 110℃; for 12h;Schlenk technique; A mixture of 3,4-dimethoxybenzaldehyde oxime(83.1 mg, 0.5 mmol),[Cp * Ir (H2O) 3] [OTf] 2 (10.2 mg, 0.0150 mmol, 3 mol%)And water (1 ml) were sequentially added to a 25 ml Schlenk reaction flask.The reaction mixture was allowed to react at 110 C for 12 hours,Cooled to room temperature,Rotary evaporation to remove water,Column to give the title compound,Yield: 82%.
82.9% With 732-type strongly acidic cation exchange resin; In toluene; for 0.5h;Reflux; In a container adding veratraldehyde 1.66g, hydroxylamine hydrochloride 0.95g and water 20 ml, heating to 40 C, stirring 30min; room temperature, for 40% aqueous sodium hydroxide solution to adjust the pH=7, filtering, washing, drying, to obtain the eater aldoxime; added in to the container by the radix of the aldoxime, activation of the 732-type strongly acidic cation exchange resin 30g and toluene 40 ml, heating to reflux, the reaction 0.5h; the temperature to room temperature, filter, recovery ion exchange resin, the filtrate is concentrated; the crude product in ethyl acetate/hexane recrystallization, get the compound goal white solid veratridine amide 1.50g, yield is 82.9%.
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  • 3-tosyloxyacetyl-1'-benzenesulfonylindole [ No CAS ]
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YieldReaction ConditionsOperation in experiment
75% With hydroxylamine hydrochloride; C59H50ClN2OP2Ru; sodium hydrogencarbonate; In acetonitrile; for 5h;Inert atmosphere; Reflux; General procedure: The reaction vessel was equipped with magnetic stirring bar, complex catalyst(1 mol%), aldehyde (1 mmol), NH2OHHCl(1 mmol) and NaHCO3 (1 mmol) was taken and the mixture was placed under an atmosphere of N2. Dry and degassed acetonitrile(3 mL) was added and the reaction mixture was refluxed for 5 h.The reaction mixture was then cooled to room temperature and the solvent was evaporated. The residue was dissolved in CH2Cl2,filtered and the solvent was removed. The amide was then purified using column chromatography, which gives the amide in high isolated yield. The products were confirmed by1H NMR spectra.
 

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