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Chemical Structure| 2351-36-2 Chemical Structure| 2351-36-2

Structure of 2351-36-2

Chemical Structure| 2351-36-2

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Product Details of [ 2351-36-2 ]

CAS No. :2351-36-2
Formula : C12H6Cl2O2
M.W : 253.08
SMILES Code : O=C(Cl)C1=CC=C2C=C(C(Cl)=O)C=CC2=C1
MDL No. :MFCD00228481
InChI Key :NZZGQZMNFCTNAM-UHFFFAOYSA-N
Pubchem ID :3485596

Safety of [ 2351-36-2 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H314-H290
Precautionary Statements:P501-P260-P234-P264-P280-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P406-P405
Class:8
UN#:3261
Packing Group:

Application In Synthesis of [ 2351-36-2 ]

* 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 [ 2351-36-2 ]

[ 2351-36-2 ] Synthesis Path-Downstream   1~38

  • 1
  • [ 5325-97-3 ]
  • [ 2351-36-2 ]
  • [ 13978-06-8 ]
  • 2
  • [ 5325-97-3 ]
  • [ 2351-36-2 ]
  • [ 13935-40-5 ]
  • 3
  • [ 1824-81-3 ]
  • [ 2351-36-2 ]
  • [ 134418-78-3 ]
  • 4
  • [ 6066-82-6 ]
  • [ 6086-02-8 ]
  • [ 2351-36-2 ]
  • C19H15N5O5 [ No CAS ]
  • 5
  • [ 6066-82-6 ]
  • [ 2351-36-2 ]
  • Toluene-4-sulfonate1-amino-3-methyl-3H-benzotriazol-1-ium; [ No CAS ]
  • C23H17N5O5 [ No CAS ]
  • 6
  • [ 2351-36-2 ]
  • naphthalene-2,6-dicarboxamide 2-(({3-[4,4’-dimethoxytrityl]oxy}propyl)amide)-6-[(3-hydroxypropyl)amide] [ No CAS ]
  • 7
  • [ 2351-36-2 ]
  • naphthalene-2,6-dicarboxamide 4-(({3-[4,4’-dimethoxytrityl]oxy}propyl)amide)-4'-(({3’-[(2-cyanoethyl)-N,N-)amide)phosphoramidite [ No CAS ]
  • 8
  • [ 2351-36-2 ]
  • C48H58N6 [ No CAS ]
  • 9
  • [ 2351-36-2 ]
  • [ 192654-75-4 ]
  • 10
  • [ 2351-36-2 ]
  • C14H14O10P2 [ No CAS ]
  • 11
  • [ 2351-36-2 ]
  • [ 349545-18-2 ]
  • 14
  • [ 2351-36-2 ]
  • [ 91452-69-6 ]
  • 15
  • [ 2351-36-2 ]
  • [ 344879-85-2 ]
  • 16
  • [ 2351-36-2 ]
  • 1,1',5,5',6,6'-Hexamethyl-2,2'-(2,6-naphthylen)-dibenzimidazol [ No CAS ]
  • 17
  • [ 2351-36-2 ]
  • [ 91452-70-9 ]
  • 18
  • [ 2351-36-2 ]
  • [ 344881-83-0 ]
  • 19
  • [ 2351-36-2 ]
  • [ 344881-81-8 ]
  • 20
  • [ 2351-36-2 ]
  • [ 91452-71-0 ]
  • 21
  • [ 2351-36-2 ]
  • [ 91452-82-3 ]
  • 22
  • [ 2351-36-2 ]
  • [ 75360-01-9 ]
  • 23
  • [ 2351-36-2 ]
  • [ 75360-04-2 ]
  • 24
  • [ 2351-36-2 ]
  • [ 75366-20-0 ]
  • 25
  • [ 2351-36-2 ]
  • [ 78616-47-4 ]
  • 26
  • [ 2351-36-2 ]
  • [ 75359-94-3 ]
  • 27
  • [ 2351-36-2 ]
  • Naphthalene-2,6-dicarboxylic acid mono-(1-hydroxy-2,2,6,6-tetramethyl-piperidin-4-yl) ester [ No CAS ]
  • 28
  • [ 2351-36-2 ]
  • [ 112987-98-1 ]
  • 29
  • [ 2351-36-2 ]
  • [ 309252-23-1 ]
  • 30
  • [ 2351-36-2 ]
  • [ 112988-00-8 ]
  • 31
  • [ 36768-62-4 ]
  • [ 2351-36-2 ]
  • C30H44N4O2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
76% With triethylamine; lithium chloride; In DMF (N,N-dimethyl-formamide); at 0 - 65℃; for 5h; 83.75 g (0.26 mole) of 4-amino-2,2,6,6-tetramethylpiperidine are dissolved in 350 ml of N,N-dimethyl formamide, in a 750 ml round bottomed 3 necked reaction flask with stirrer, thermometer, funnel and reflux-condenser. 30.71 g (0.304 mole) and 8.5 g (0.2 mole) of lithium chloride are added under constant stirring at room temperature. The solution is cooled to 0 C. and during 1 hour 65.8 g (0.26 mole) of naphthalene-2,6-dicarbonyl-dichloride are added in small portions under vigourous stirring. A faintly yellow suspension results. The reaction mass is kept at 0-5 C. for 1 hour. Within a further hour, the temperature is raised to room temperature and then the whole is kept at 65 C for further 2 hours. The reaction product is then diluted with 200 ml of isopropanol/water (1/4). The reaction mixture is then poured on 600 ml of water, under stirring. Then, the solid residue is filtered off and subsequently washed with several portions of isopropanol/water (1/1). Afterwards, the solid is dried in a vacuum drier at 80 C. for 15 hours. The desired product is obtained as a colourless powder. Yield: 76, 1 g (=76% of theory). Melting-point: higher than 300 C.
  • 32
  • [ 453-43-0 ]
  • [ 2351-36-2 ]
  • 6-(1-Trifluoromethylheptyloxycarbonyl)-naphathalene-2-carboxylic acid chloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
With 2-(Dimethylamino)pyridine; triethylamine; In dichloromethane; (1) Synthesis of 6-(1,1,1-trifluoro-2-octyl oxycarbonyl)naphthalene-2-carboxylic acid chloride STR20 To a solution of optically active 1,1,1-trifluoro-2-octyl alcohol (1.8 g) and triethylamine (1.0 g) in methylene chloride was gradually added <strong>[2351-36-2]2,6-naphthalenedicarbonyl dichloride</strong> (2.5 g). Furthermore, dimethylaminopyridine (0.3 g) was added and the mixture was stirred at room temperature for 24 hours. The solvent was distilled off to obtain a mixed chloride (about 2.0 g) containing the titled compound.
  • 33
  • [ 112-30-1 ]
  • [ 2351-36-2 ]
  • [ 136386-07-7 ]
YieldReaction ConditionsOperation in experiment
With 2-(Dimethylamino)pyridine; triethylamine; In dichloromethane; (1) Synthesis of 2-n-decyloxycarbonylnaphthalene-6-carboxylic acid chloride STR89 After a solution of n-decyl alcohol (0.5 g), naphthalene-2,6-dicarboxylic acid dichloride (0.6 g), and triethylamine (0.27 g) and a very small amount of dimethylaminopyridine in methylene chloride (50 ml) was stirred at room temperature overnight, the solution was distilled to remove the solvent, until the titled compound (about 0.5 g) was obtained.
  • 34
  • [ 453-43-0 ]
  • [ 2351-36-2 ]
  • 6-(1,1,1-trifluoro-2-octyloxycarbonyl)naphthalene-2-carboxychloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
With 2-(Dimethylamino)pyridine; triethylamine; In dichloromethane; (1) Synthesis of 6-(1,1,1-trifluoro-2-octyloxycarbonyl)naphthalene-2-carboxychloride STR92 A solution of naphthalene 2,6-dicarboxylic acid dichloride (0.6 g), optically active 1,1,1-trifluoro-2-octyl alcohol (0.44 g), triethylamine (0.27 g) and a very small amount of dimethylaminopyridine in methylene chloride (50 ml) was stirred at room temperature overnight. After the solution was distilled to remove the solvent, the titled compound (about 0.8 g) was obtained.
  • 35
  • 1-trifluoro-2-octanol [ No CAS ]
  • [ 823-39-2 ]
  • [ 2351-36-2 ]
  • 6-(1-Trifluoromethylheptyloxycarbonyl)-naphathalene-2-carboxylic acid chloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
With triethylamine; In 1,1-dichloroethane; (1) 6-(1-Trifluoromethylheptyloxycarbonyl)-naphathalene-2-carboxylic acid chloride STR10 2,6-Naphthalene-dicarboxylic acid dichloride 0.84 g, optically active 1-trifluoro-2-octanol 0.55 g, triethyl amine 0.33 g and dimethyl aminopyridine 0.02 g are dissolved in 50 ml dichloroethane to be stirred at the room temperature for a whole day. The reaction mixture liquid is filtered. The filtrate is used for the following reaction.
  • 36
  • 1-trifluoro-2-octanol [ No CAS ]
  • [ 2351-36-2 ]
  • 6-(1-Trifluoromethylheptyloxycarbonyl)-naphathalene-2-carboxylic acid chloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
With 2-(Dimethylamino)pyridine; triethylamine; In 1,1-dichloroethane; (1) 6-(1-Trifluoromethylheptyloxy-carbonyl)-naphthalene-2-carboxylic acid chloride STR22 2,6-Naphthalene-dicarboxylic acid dichloride 1.5 g, optically active 1-trifluoro-2-octanol 1.0 g, triethylamine 0.6 g and dimethylaminopyridine 0.04 g were dissolved in 100 ml dichloroethane to be stirred at the room temperature for a whole day. The reaction solution was filtered so as to use the filtrate in the following reaction.
  • 37
  • [ 2351-36-2 ]
  • 2-(1-trifluoromethylheptyloxycarbonyl)-naphthalene-6-carboxylic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
In dichloromethane; (1) 6-(1-Trifluoromethylheptyloxycarbonyl)-2-carboxynaphthalene STR25 2,6-Naphthalene-dicarboxylic acid chloride 14 g was dissolved in methylene chloride. The solution was gradually added under ice cooling with optically active 1-trifluoro-2-octanol 10 g and pyridine 0.85 g. After further reaction at the room temperature for a whole day, the reaction liquid was taken into water and extracted with methylene chloride. The extract was washed with ammonium chloride, water, 1N aqueous sodium hydrogenecarbonate solution and water in this order, and after neutrallization dried with anhydrous magnesium sulfurate. After distilling off the solvent, the crude product was subjected to silica gel column chromatography to obtain the captioned product in the amount of 2.5 g.
  • 38
  • [ 1141-38-4 ]
  • [ 33513-42-7 ]
  • [ 2351-36-2 ]
YieldReaction ConditionsOperation in experiment
65% In trichlorophosphate; First, 80 g of 2,6-naphthalene dicarboxylic acid is dispersed in 400 g of phosphoryl chloride. The dispersion kept thoroughly stirred and 8 g of dimethyl formamide (DMF) gradually added thereto are refluxed together on a hot water bath for 2.5 hours. After the ensuing reaction has been completed, the reaction mixture is distilled to expel phosphoryl chloride by evaporation. The residue of this distillation is recrystallized from benzene to obtain as needle crystals 61 g (yield: 65%) of 2,6-dichloroformylnaphthalene (melting point: 186 C.).
 

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