CAS No.2351-36-2,Naphthaline-2,6-dicarbonic acid dichloranhydride Suppliers

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Basic Information

Molecular Structure:
CAS No.:	2351-36-2
Name:	Naphthaline-2,6-dicarbonic acid dichloranhydride
Article Data:	26

Formula:	C₁₂H₆Cl₂O₂
Molecular Weight:	253.084
Synonyms:	2,6-Naphthalenedicarbonylchloride (6CI,7CI,8CI);2,6-Naphthalenedicarboxylic acid dichloride;2,6-Naphthalenedicarboxylic dichloride;2,6-Naphthoyl chloride;Naphthalene-2,6-dicarbonyl chloride;
Density:	1.434 g/cm³
Melting Point:	185-185.5 °C
Boiling Point:	383.4 °C at 760 mmHg
Flash Point:	206.9 °C
PSA:	34.14000
LogP:	3.59780

Synthetic route

: 1141-38-4
2,6-Naphthalenedicarboxylic acid

: 2351-36-2
2,6-dichloroformyl naphthalene

Conditions

Conditions	Yield
With thionyl chloride; N-benzyl-N,N,N-triethylammonium chloride In 1,2-dichloro-ethane for 12h; Heating;	94%
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane for 4h; Heating;	94%
With thionyl chloride; N,N-dimethyl-formamide at 90℃; for 12h;	90%

: 1141-38-4
2,6-Naphthalenedicarboxylic acid

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 2351-36-2
2,6-dichloroformyl naphthalene

Conditions

Conditions	Yield
In trichlorophosphate	65%

: 2,6-naphthalenedicarboxylic acid dipotassium salt

: 2351-36-2
2,6-dichloroformyl naphthalene

Conditions

Conditions	Yield
With oxalyl dichloride In toluene for 3h; Heating;	56%

: 79-37-8
oxalyl dichloride

: 840-65-3
dimethyl 2,6-naphthalenedicarboxylate

: 2351-36-2
2,6-dichloroformyl naphthalene

Conditions

Conditions	Yield
In N,N-dimethyl-formamide

: 32586-82-6
sodium dimethyl phosphate

: 2351-36-2
2,6-dichloroformyl naphthalene

: 2,6-naphthalenedicarbonyl bis(dimethyl phosphate)

Conditions

Conditions	Yield
In tetrahydrofuran for 3h; Ambient temperature;	95%

: 2351-36-2
2,6-dichloroformyl naphthalene

: 156-87-6
propan-1-ol-3-amine

: 225663-91-2
N,N'-[Bis(3-hydroxypropyl)]-2,6-naphthalenedicarboxamide

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran; methanol at 20℃; for 6h; Acetylation;	88%

: 444315-15-5
3-(3,5,7,9,11,13,15-heptaisobutylpentacyclo[9,5,1,1(3,9),1(7,13),1(5,15)]octasiloxane-1-yl)propylamine

: 2351-36-2
2,6-dichloroformyl naphthalene

: C43H77NO15Si8

Conditions

Conditions	Yield
Stage #1: 3-(3,5,7,9,11,13,15-heptaisobutylpentacyclo[9,5,1,1(3,9),1(7,13),1(5,15)]octasiloxane-1-yl)propylamine; 2,6-dichloroformyl naphthalene With triethylamine In dichloromethane at 20℃; Inert atmosphere; Stage #2: With hydrogenchloride; water pH=2; Inert atmosphere;	87%

: 108-91-8
cyclohexylamine

: 2351-36-2
2,6-dichloroformyl naphthalene

: N,N'-Dicyclohexyl-2,6-naphthalenedicarboxamide

Conditions

Conditions	Yield
With pyridine; triethylamine In N,N-dimethyl-formamide; toluene at 50℃; for 5h;	86.8%
With triethylamine In toluene at 20 - 50℃; for 6.5h; Reagent/catalyst;	75.3%

: [CpFe(CO)2]2

: 2351-36-2
2,6-dichloroformyl naphthalene

: C10H6(CO(C5H5)Fe(CO)2)2

Conditions

Conditions	Yield
With sodium amalgam; mercury In tetrahydrofuran byproducts: NaCl; anaerobic, anhyd. conditions, ambient temp., liquefaction of Na/Hg by addn. of Hg, addn. of THF and CpFe(CO)2, stirring 1 h to get NaCpFe(CO)2, draining excess Na/Hg, filtration, cooling (-78°C, dry ice-acetone bath), addn. of the acid chloride; slowly warming the stirred soln. to room temp. (about 1 h), drying in vac., recrystn., drying in vac., elem. anal., not isolated in analytically pure form;	85%

Yield

With sodium amalgam; mercury In tetrahydrofuran byproducts: NaCl; anaerobic, anhyd. conditions, ambient temp., liquefaction of Na/Hg by addn. of Hg, addn. of THF and CpFe(CO)2, stirring 1 h to get NaCpFe(CO)2, draining excess Na/Hg, filtration, cooling (-78°C, dry ice-acetone bath), addn. of the acid chloride; slowly warming the stirred soln. to room temp. (about 1 h), drying in vac., recrystn., drying in vac., elem. anal., not isolated in analytically pure form;

85%

: 288-88-0
1,2,4-Triazole

: 2351-36-2
2,6-dichloroformyl naphthalene

: naphthalene-2,6-dicarbonyl ditriazole

Conditions

Conditions	Yield
In dichloromethane; N,N-dimethyl-formamide at 50℃; for 1h;	85%

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Specification

The 2,6-Naphthalenedicarbonyl dichloride, with the CAS registry number 4218-81-9, is also known as 2,6-Naphthalenedicarboxylic dichloride. This chemical's molecular formula is C₁₂H₆Cl₂O₂ and molecular weight is 253.08. What's more, its systematic name is naphthalene-2,6-dicarbonyl dichloride.

Physical properties of 2,6-Naphthalenedicarbonyl dichloride are: (1)ACD/LogP: 3.43; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 2; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 34.14 Å²; (7)Index of Refraction: 1.653; (8)Molar Refractivity: 64.58 cm³; (9)Molar Volume: 176.3 cm³; (10)Polarizability: 25.6×10^-24cm³; (11)Surface Tension: 54.3 dyne/cm; (12)Density: 1.434 g/cm³; (13)Flash Point: 206.9 °C; (14)Enthalpy of Vaporization: 63.19 kJ/mol; (15)Boiling Point: 383.4 °C at 760 mmHg; (16)Vapour Pressure: 4.42E-06 mmHg at 25°C.

Preparation of 2,6-Naphthalenedicarbonyl dichloride: this chemical can be prepared by naphthalene-2,6-dicarboxylic acid by heating. This reaction will need reagents (COCl)₂, DMF and solvent CH₂Cl₂ with the reaction time of 4 hours. The yield is about 94%.

2,6-Naphthalenedicarbonyl dichloride can be prepared by naphthalene-2,6-dicarboxylic acid by heating

Uses of 2,6-Naphthalenedicarbonyl dichloride: it can be used to produce naphthalene-2,6-dicarboxylic acid diisopropyl ester. The yield is about 54%.

2,6-Naphthalenedicarbonyl dichloride can be used to produce naphthalene-2,6-dicarboxylic acid diisopropyl ester

You can still convert the following datas into molecular structure:
(1)SMILES: ClC(=O)c1ccc2c(c1)ccc(C(Cl)=O)c2
(2)InChI: InChI=1S/C12H6Cl2O2/c13-11(15)9-3-1-7-5-10(12(14)16)4-2-8(7)6-9/h1-6H
(3)InChIKey: NZZGQZMNFCTNAM-UHFFFAOYSA-N