Product Name

  • Name

    DIMETHYL 2,6-NAPHTHALENEDICARBOXYLATE

  • EINECS 212-661-4
  • CAS No. 840-65-3
  • Article Data19
  • CAS DataBase
  • Density 1.225 g/cm3
  • Solubility Soluble in hot toluene (very faint turbidity). Insoluble in water.
  • Melting Point 187-193 °C(lit.)
  • Formula C14H12O4
  • Boiling Point 375.3 °C at 760 mmHg
  • Molecular Weight 244.247
  • Flash Point 189.2 °C
  • Transport Information
  • Appearance
  • Safety 22-24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 840-65-3 (DIMETHYL 2,6-NAPHTHALENEDICARBOXYLATE)
  • Hazard Symbols
  • Synonyms Dimethyl2,6-naphthalenedicarboxylate;NSC 59387;2,6-Naphthalenedicarboxylicacid, dimethyl ester (6CI,7CI,8CI,9CI);2,6-Dicarbomethoxynaphthalene;2,6-Naphthalic acid dimethyl ester;Dimethyl 2,6-naphthalate;dimethyl naphthalene-2,6-dicarboxylate;2,6-Naphthalenedicarboxylic acid, dimethyl ester;
  • PSA 52.60000
  • LogP 2.41300

Synthetic route

methanol
67-56-1

methanol

2,6-Naphthalenedicarboxylic acid
1141-38-4

2,6-Naphthalenedicarboxylic acid

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
With sulfuric acid for 24h; Reflux;89%
With sulfuric acid Reflux;
methanol
67-56-1

methanol

carbon monoxide
201230-82-2

carbon monoxide

2-methoxycarbonyl-6-naphthol p-toluenesulfonate

2-methoxycarbonyl-6-naphthol p-toluenesulfonate

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
With sodium tetracarbonyl cobaltate; potassium carbonate; ethyl bromoacetate at 45℃; for 1.5h;60%
methyl 2-(4-carbomethoxybenzylidene)-3-buten-1-oate
116503-70-9

methyl 2-(4-carbomethoxybenzylidene)-3-buten-1-oate

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
5% Pd on active carbon In various solvent(s) for 5h;55%
Pd on carbon In ethyl acetate; 1-Methylnaphthalene
methanol
67-56-1

methanol

carbon monoxide
201230-82-2

carbon monoxide

naphthalene-2,6-diyl bis(4-methylbenzenesulfonate)

naphthalene-2,6-diyl bis(4-methylbenzenesulfonate)

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
With sodium tetracarbonyl cobaltate; potassium carbonate; ethyl bromoacetate at 45℃; for 1.5h;50%
2,6-Naphthalenedicarboxylic acid
1141-38-4

2,6-Naphthalenedicarboxylic acid

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
With diethyl ether
methanol
67-56-1

methanol

2,6-dichloroformyl naphthalene
2351-36-2

2,6-dichloroformyl naphthalene

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

dimethyl tricyclo<4.2.2.02,5>deca-3,7,9-triene-9,10-dicarboxylate
25733-20-4

dimethyl tricyclo<4.2.2.02,5>deca-3,7,9-triene-9,10-dicarboxylate

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
(pyrolysis);
4-((Z)-3,3-Dimethoxy-2-methoxycarbonyl-but-1-enyl)-benzoic acid methyl ester
123207-12-5

4-((Z)-3,3-Dimethoxy-2-methoxycarbonyl-but-1-enyl)-benzoic acid methyl ester

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
at 475 - 500℃; vapor-phase pyrolysis; Yield given;
methanol
67-56-1

methanol

2,6-dichloroformyl naphthalene
2351-36-2

2,6-dichloroformyl naphthalene

A

naphthalene-2,6-dicarboxylic acid monomethyl ester
7568-08-3

naphthalene-2,6-dicarboxylic acid monomethyl ester

B

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
With pyridine In dichloromethane
2,6-Naphthalenedicarboxylic acid
1141-38-4

2,6-Naphthalenedicarboxylic acid

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: thionyl chloride, pyridine / CH2Cl2
2: pyridine / CH2Cl2
View Scheme
methanol
67-56-1

methanol

polyethylene naphthalate

polyethylene naphthalate

2,6-Naphthalenedicarboxylic acid
1141-38-4

2,6-Naphthalenedicarboxylic acid

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

Conditions
ConditionsYield
Product distribution / selectivity;
2,6-bis-(4-methyl-benzenesulfonyl)-naphthalene

2,6-bis-(4-methyl-benzenesulfonyl)-naphthalene

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

2,6-Naphthalenedicarboxylic acid
1141-38-4

2,6-Naphthalenedicarboxylic acid

Conditions
ConditionsYield
Stage #1: dimethyl 2,6-naphthalenedicarboxylate With sodium hydroxide; water; butan-1-ol at 20 - 85℃; for 1h; Heating / reflux;
Stage #2: With sulfuric acid In water Conversion of starting material;
100%
Stage #1: dimethyl 2,6-naphthalenedicarboxylate With polyethyleneglycol 4000; sodium hydroxide; water In xylene at 20 - 90℃; for 3.5h; Heating / reflux;
Stage #2: With sulfuric acid In water Conversion of starting material;
99.5%
Stage #1: dimethyl 2,6-naphthalenedicarboxylate With sodium hydroxide; water; isopropyl alcohol at 80 - 81℃; for 2h;
Stage #2: With sulfuric acid In water at 80℃; for 0.5h; Conversion of starting material;
99%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

naphthalene-2,6-dimethanol
5859-93-8

naphthalene-2,6-dimethanol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 69.84℃; for 3h; Inert atmosphere; Cooling with ice;97%
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 24h;93%
With C13H34BFeNOP2; hydrogen In tetrahydrofuran at 100℃; under 22502.3 Torr; for 18h; Autoclave; Inert atmosphere;92%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

naphthalene-2,6-dicarboxylic acid monomethyl ester
7568-08-3

naphthalene-2,6-dicarboxylic acid monomethyl ester

Conditions
ConditionsYield
With potassium hydroxide In 1,4-dioxane; methanol at 80℃; for 2h;96%
With lithium hydroxide In tetrahydrofuran for 26h; Heating / reflux;94%
Stage #1: dimethyl 2,6-naphthalenedicarboxylate With potassium hydroxide In 1,4-dioxane; methanol at 80℃; for 4h;
Stage #2: With hydrogenchloride In water pH=3;
82%
ethanolamine
141-43-5

ethanolamine

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

C16H18N2O4

C16H18N2O4

Conditions
ConditionsYield
at 120℃; for 3h; Inert atmosphere; Dean-Stark;93.2%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

2,6-naphthalene dicarbohydrazide
4073-74-9

2,6-naphthalene dicarbohydrazide

Conditions
ConditionsYield
With hydrazine hydrate In methanol; chloroform Heating;87%
With hydrazine hydrate In methanol at 20℃; for 29h; Reflux;83%
With hydrazine hydrate In methanol; water for 12h;82%
With hydrazine hydrate In ethanol; chloroform for 4h; Reflux;6.01 g
1-octadecanol
112-92-5

1-octadecanol

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

distearyl naphthalene-2,6-dicarboxylate

distearyl naphthalene-2,6-dicarboxylate

Conditions
ConditionsYield
Stage #1: 1-octadecanol; dimethyl 2,6-naphthalenedicarboxylate With Fascat 4100 In 5,5-dimethyl-1,3-cyclohexadiene at 160 - 180℃; for 20h; Inert atmosphere; Dean-Stark;
Stage #2: In 5,5-dimethyl-1,3-cyclohexadiene at 180℃; under 1 - 2 Torr; for 0.166667h;
86%
4-phenyl-1-butylamine
13214-66-9

4-phenyl-1-butylamine

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

N,N'-Bis-(4-phenylbutyl)-naphthalene-2,6-dicarboxamide
141914-83-2

N,N'-Bis-(4-phenylbutyl)-naphthalene-2,6-dicarboxamide

Conditions
ConditionsYield
at 120℃; for 6h;80%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

dimethyl 1 ,2,3,4-tetrahydronaphthalene-2,6-dicarboxylate
23985-75-3

dimethyl 1 ,2,3,4-tetrahydronaphthalene-2,6-dicarboxylate

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen; acetic acid In isopropyl alcohol at 40℃; for 48h;79%
With 5%-palladium/activated carbon; hydrogen In water; isopropyl alcohol at 100℃; under 7500.75 Torr; for 7h; Autoclave;70%
With {RuCl(p-cymene)[(S,S)-(R,R)-phtrap]}Cl; hydrogen; caesium carbonate In 1,4-dioxane at 60℃; under 37503.8 Torr; for 24h;
With 5%-palladium/activated carbon; hydrogen; isopropyl alcohol at 170℃; under 7500.75 - 37503.8 Torr; for 1h; Time; Temperature; Pressure; Autoclave; Inert atmosphere;
trimethylsilyltributyltin
17955-46-3

trimethylsilyltributyltin

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

methyl 6-(tributylstannyl)-2-naphthoate
1325730-39-9

methyl 6-(tributylstannyl)-2-naphthoate

Conditions
ConditionsYield
With bis(1,5-cyclooctadiene)nickel(0); potassium fluoride; 1,3-bis-(diphenylphosphino)propane; lithium chloride In toluene at 170℃; for 48h; Inert atmosphere; Glovebox;74%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

methyl 6-hydroxymethyl-2-naphthalenecarboxylate
55343-77-6

methyl 6-hydroxymethyl-2-naphthalenecarboxylate

Conditions
ConditionsYield
With diisobutylaluminium hydride In tetrahydrofuran; toluene at 0℃; for 0.5h;65%
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 3h;31%
With methanol; sodium tetrahydroborate In tetrahydrofuran at 60℃; for 6h;
With diisobutylaluminium hydride In tetrahydrofuran at 0℃; for 0.5h;
With methanol; sodium tetrahydroborate In tetrahydrofuran at 60℃; for 6h;
aqueous sodium potassium (+)-tartrate

aqueous sodium potassium (+)-tartrate

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

methyl 6-hydroxymethyl-2-naphthalenecarboxylate
55343-77-6

methyl 6-hydroxymethyl-2-naphthalenecarboxylate

Conditions
ConditionsYield
In toluene65%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

A

O,O-dimethyl naphthalene-2,6-dicarbothioate
1243191-39-0

O,O-dimethyl naphthalene-2,6-dicarbothioate

B

methyl 6-methoxythiocarbonylnaphthalene-2-carboxylate
1243191-38-9

methyl 6-methoxythiocarbonylnaphthalene-2-carboxylate

Conditions
ConditionsYield
With Lawessons reagent In chlorobenzene for 6h; Reflux;A 65%
B 7%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

2,6-naphthalenedicarbaldehyde
5060-65-1

2,6-naphthalenedicarbaldehyde

Conditions
ConditionsYield
Stage #1: dimethyl 2,6-naphthalenedicarboxylate With lithium aluminium tetrahydride In tetrahydrofuran for 3h;
Stage #2: With pyridinium chlorochromate In tetrahydrofuran; dichloromethane at 0℃; for 4h;
65%
Multi-step reaction with 2 steps
1: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 69.84 °C / Inert atmosphere; Cooling with ice
2: pyridinium chlorochromate / dichloromethane / 4 h / 49.84 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: lithium aluminium tetrahydride / tetrahydrofuran / 3.67 h / 19.99 - 69.84 °C / Inert atmosphere
2: pyridinium chlorochromate / dichloromethane / 4 h / 49.84 °C / Inert atmosphere
View Scheme
4-(2-thiophenyl)morpholine
19983-19-8

4-(2-thiophenyl)morpholine

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

C44H48N4O4S4*2ClHO4

C44H48N4O4S4*2ClHO4

Conditions
ConditionsYield
Stage #1: 4-(2-thiophenyl)morpholine With n-butyllithium In 1,4-dioxane; hexane at -15 - 0℃;
Stage #2: dimethyl 2,6-naphthalenedicarboxylate With perchloric acid In 1,4-dioxane; hexane for 8h; Heating;
61%
acetonitrile
75-05-8

acetonitrile

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

methyl 6-(2-cyanoacetyl)-2-naphthalenecarboxylate

methyl 6-(2-cyanoacetyl)-2-naphthalenecarboxylate

Conditions
ConditionsYield
Stage #1: acetonitrile; dimethyl 2,6-naphthalenedicarboxylate With sodium t-butanolate at 60℃; for 1.5h;
Stage #2: With sulfuric acid In water at 25℃; for 1h;
60%
allyl-trimethyl-silane
762-72-1

allyl-trimethyl-silane

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

dimethyl (2RS,2aSR,3SR,4SR,8bRS)-1,2,2a,3,4,8b-hexahydro-2,4-methanocyclobutanaphthalene-3,7-dicarboxylate

dimethyl (2RS,2aSR,3SR,4SR,8bRS)-1,2,2a,3,4,8b-hexahydro-2,4-methanocyclobutanaphthalene-3,7-dicarboxylate

Conditions
ConditionsYield
In methanol; acetonitrile Ambient temperature; Irradiation;55%
2-(prop-2-ynyloxy)ethanol
3973-18-0

2-(prop-2-ynyloxy)ethanol

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

bis[2-(prop-2-yn-1-yloxy)ethyl] naphthalene-2,6-dicarboxylate

bis[2-(prop-2-yn-1-yloxy)ethyl] naphthalene-2,6-dicarboxylate

Conditions
ConditionsYield
Stage #1: 2-(prop-2-ynyloxy)ethanol With sodium hydride In tetrahydrofuran; mineral oil Schlenk technique; Inert atmosphere;
Stage #2: dimethyl 2,6-naphthalenedicarboxylate In tetrahydrofuran; mineral oil at 130℃; for 0.75h; Schlenk technique; Inert atmosphere;
42%
acetone
67-64-1

acetone

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

1,1'-(2,6-naphthylene)bisbutane-1,3-dione

1,1'-(2,6-naphthylene)bisbutane-1,3-dione

Conditions
ConditionsYield
With sodium amide In diethyl ether at -0.16 - 24.84℃; for 4h; Claisen condensation;37%
dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

A

naphthalene-2,6-dimethanol
5859-93-8

naphthalene-2,6-dimethanol

B

methyl 6-hydroxymethyl-2-naphthalenecarboxylate
55343-77-6

methyl 6-hydroxymethyl-2-naphthalenecarboxylate

Conditions
ConditionsYield
With dichloro(benzene)ruthenium(II) dimer; 2-((di-p-tolylphosphino)methyl)-1-methyl-1H-imidazole; potassium tert-butylate; hydrogen In tetrahydrofuran at 100℃; under 37503.8 Torr; for 4.5h;A 31%
B 18%
ethanol
64-17-5

ethanol

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

diethyl naphthalene-2,6-dicarboxylate
15442-73-6

diethyl naphthalene-2,6-dicarboxylate

Conditions
ConditionsYield
With potassium cyanide25%
2-(2-(prop-2-ynyloxy)ethoxy)ethanol
7218-43-1

2-(2-(prop-2-ynyloxy)ethoxy)ethanol

dimethyl 2,6-naphthalenedicarboxylate
840-65-3

dimethyl 2,6-naphthalenedicarboxylate

bis{2-[2-(prop-2-yn-1-yloxy)ethoxy]ethyl} naphthalene-2,6-dicarboxylate

bis{2-[2-(prop-2-yn-1-yloxy)ethoxy]ethyl} naphthalene-2,6-dicarboxylate

Conditions
ConditionsYield
Stage #1: 2-(2-(prop-2-ynyloxy)ethoxy)ethanol With sodium hydride In tetrahydrofuran; mineral oil Schlenk technique; Inert atmosphere;
Stage #2: dimethyl 2,6-naphthalenedicarboxylate In tetrahydrofuran; mineral oil at 130℃; for 0.75h; Schlenk technique; Inert atmosphere;
14%

2,6-Naphthalenedicarboxylicacid, 2,6-dimethyl ester Specification

The 2,6-Naphthalenedicarboxylicacid, 2,6-dimethyl ester, with the CAS registry number 840-65-3 and EINECS registry number 212-661-4, has the systematic name of dimethyl naphthalene-2,6-dicarboxylate. It belongs to the following product categories: Naphthalene derivatives; C12 to C63; Carbonyl Compounds; Esters. And the molecular formula of the chemical is C14H12O4. What's more, while dealing with this chemical, you should not breathe dust and then try to avoid contacting with skin and eyes.

The characteristics of 2,6-Naphthalenedicarboxylicacid, 2,6-dimethyl ester are as followings: (1)ACD/LogP: 3.40; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.4; (4)ACD/LogD (pH 7.4): 3.4; (5)ACD/BCF (pH 5.5): 227.65; (6)ACD/BCF (pH 7.4): 227.65; (7)ACD/KOC (pH 5.5): 1694.13; (8)ACD/KOC (pH 7.4): 1694.13; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 52.6 Å2; (13)Index of Refraction: 1.594; (14)Molar Refractivity: 67.64 cm3; (15)Molar Volume: 199.3 cm3; (16)Polarizability: 26.81×10-24cm3; (17)Surface Tension: 46.5 dyne/cm; (18)Density: 1.225 g/cm3; (19)Flash Point: 189.2 °C; (20)Enthalpy of Vaporization: 62.28 kJ/mol; (21)Boiling Point: 375.3 °C at 760 mmHg; (22)Vapour Pressure: 7.88E-06 mmHg at 25°C. 

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: O=C(OC)c1ccc2c(c1)ccc(C(=O)OC)c2
(2)InChI: InChI=1/C14H12O4/c1-17-13(15)11-5-3-10-8-12(14(16)18-2)6-4-9(10)7-11/h3-8H,1-2H3
(3)InChIKey: GYUVMLBYMPKZAZ-UHFFFAOYAV

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