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Chemical Structure| 1190380-36-9 Chemical Structure| 1190380-36-9

Structure of 1190380-36-9

Chemical Structure| 1190380-36-9

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Product Details of [ 1190380-36-9 ]

CAS No. :1190380-36-9
Formula : C9H8N2O3
M.W : 192.17
SMILES Code : O=C1N(C)CC2=C1C=CC([N+]([O-])=O)=C2
MDL No. :MFCD21362699
Boiling Point : No data available

Safety of [ 1190380-36-9 ]

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 [ 1190380-36-9 ]

* 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 [ 1190380-36-9 ]

[ 1190380-36-9 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 593-51-1 ]
  • [ 133446-99-8 ]
  • [ 1190380-36-9 ]
YieldReaction ConditionsOperation in experiment
9% With triethylamine; In methanol; for 24h;Inert atmosphere; Reflux; A solution of Intermediate 59 (1 g, 3.7 mmol), methylamine hydrochloride (124 mg, 4 mmol) andEt3N (404 mg, 4 mmol) were refluxed in MeOH for 24 h under N2. During this time an additional 0.5eq of methylamine hydrochloride was added, twice, to compensate for the volatility of methylamine. The mixture was diluted with EtOAc, washed sequentially with IM HCl and brine., and the organic phase was dried over Na2SO4 and concentrated under vacuum. The residues were purified by silica gel chromatography, eluting first with 20% EtOAc in petroleum ether and then with 30% MeOH in DCM. Further purification by preparative LCMS gave the title compound (62 mg, 9%). 1H NMR (400 MHz, DMSO-^6) delta ppm 3.12 (s, 3 H), 4.60 (s, 2 H), 7.90 (d, J=8.24 Hz, 1 H), 8.26 - 8.36 (m, 1 H), 8.51 (s, 1 H); m/z (ES+APCI)+ : 193 [M+H]+.
  • 2
  • [ 62621-09-4 ]
  • [ 74-89-5 ]
  • [ 1190380-36-9 ]
YieldReaction ConditionsOperation in experiment
Preparative Example 45aPreparation of 5-amino-2-methvHsoindolin-1-oneStep 1 : 2-methyl-5-nitroisoindolin-1-oneAIBN (84 mg, 0.51), NBS (1.1 gram, 6.4 mmol), and the <strong>[62621-09-4]methyl 2-methyl-4-nitrobenzoate</strong> (1 g, 5.1 mmol, as prepared in Step 1 , Example 44) were suspended in CCl4 (12.8 ml), the vessel evacuated and backfilled with N2 (2x) and the mixture heated under N2 at 79 C overnight The solution was filtered, and concentrated in vacuum. One third of the crude material was dissolved in 2 N methylamine in methanol (18 ml), 2N methylamine in THF added (18 ml) and the solution stirred for 2 hours at RT. The volatiles were removed in vacuum and the product was purified by chromatography on SiO2 eluting with 10% acetone : DCM to give the titled compound.
  • 3
  • [ 133446-99-8 ]
  • [ 74-89-5 ]
  • [ 1190380-36-9 ]
YieldReaction ConditionsOperation in experiment
100% In tetrahydrofuran; methanol; at 20℃; for 12h; The compound methyl 2- (bromomethyl) -4-nitrobenzoate 52b (1.2 g, 4.4 mmol) was dissolved in methanol, and then a tetrahydrofuran solution of methylamine (2M, 5 mL, 10 mmol) was added.After stirring at room temperature for 12 hours,The solvent was removed under reduced pressure, and the residue was purified by silica gel column chromatography (petroleum ether / ethyl acetate = 100/1 to 5/1),The target product 2-methyl-5-nitroisoindolin-1-one 52c (845 mg, off-white solid) was obtained, yield: 100%.
57% In methanol; at 20℃; for 2h; A solution of <strong>[133446-99-8]methyl <strong>[133446-99-8]2-(bromomethyl)-4-nitrobenzoate</strong></strong> (61.3) (1.0 g, 3.6 mmol) and MeNH2/MeOH (2M; 2 mL) in MeOH (5 mL) was stirred at ambient temperature for 2h. The reaction mixture was diluted with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over sodium sulfate, and concentrated to afford the crude produce. The crude product was purified by column chromatography (ethyl acetate/hexane: 1/10) to afford 2-methyl-5-nitroisoindolin-1-one (61.4) as a white solid (400 mg, 57%). [00872] LCMS: 193.1 [M+1]+.
 

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