1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
With trifluoroacetic acid In tetrahydrofuran at 50℃; for 4h; | 99% |
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
With trifluoroacetic acid In tetrahydrofuran at 50℃; for 3.5h; | 99% |
Conditions | Yield |
---|---|
With 5%-palladium/activated carbon; hydrogen In water at 150℃; under 30003 Torr; for 5.5h; | 92% |
1,4-benzenedicarboxylic acid dimethyl ester
A
1,4-cyclohexanedicarboxylic acid
B
cis-cyclohexane-1,4-dicarboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; methanol Hydrogenation.weiteres Reagens: Platin; Behandlung des Reaktionsprodukts mit warmer wss. Natronlauge oder warmer wss. Salzsaeure; | |
With hydrogenchloride; acetic acid Hydrogenation.weiteres Reagens: Platin; Behandlung des Reaktionsprodukts mit warmer wss. Natronlauge oder warmer wss. Salzsaeure; |
terephthalic acid
A
1,4-cyclohexanedicarboxylic acid
B
cis-cyclohexane-1,4-dicarboxylic acid
Conditions | Yield |
---|---|
With palladium on activated charcoal; water at 180 - 200℃; under 128714 - 257428 Torr; Hydrogenation; | |
With hydrogen; acetic acid; platinum | |
With water; pyrographite; ruthenium at 140℃; under 257428 Torr; Hydrogenation; | |
With 5%-palladium/activated carbon; hydrogen In water at 150℃; under 37503.8 Torr; Reagent/catalyst; Pressure; Time; Autoclave; Overall yield = 99.5 %; | A n/a B n/a |
With water; hydrogen at 80℃; under 37503.8 Torr; for 2h; Reagent/catalyst; Autoclave; | A n/a B n/a |
Conditions | Yield |
---|---|
With hydrogenchloride at 180℃; |
A
1,4-cyclohexanedicarboxylic acid
B
trans-4-(methoxycarbonyl)cyclohexanecarboxylic acid
Conditions | Yield |
---|---|
With methanol; potassium hydroxide |
Conditions | Yield |
---|---|
With hydrogen iodide |
Conditions | Yield |
---|---|
at 200 - 220℃; |
trans-Cyclohex-2-ene-1,4-dicarboxylic acid
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
With acetic acid; platinum Hydrogenation; |
1,1,4,4-Cyclohexanetetracarboxylic acid
A
1,4-cyclohexanedicarboxylic acid
B
cis-cyclohexane-1,4-dicarboxylic acid
Conditions | Yield |
---|---|
at 250℃; |
oxalyl dichloride
cyclohexanylcarbonyl chloride
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
With Perbenzoic acid anschliessendes Hydrolysieren; |
trans-dimethyl cyclohex-2-ene-1,4-dicarboxylate
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
(i) (hydrogenation), (ii) (hydrolysis); Multistep reaction; |
hydrogenchloride
cis-cyclohexane-1,4-dicarboxylic acid
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
at 180℃; |
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
With acetic acid; zinc |
Conditions | Yield |
---|---|
With acetic acid; platinum Hydrogenation.Behandlung des Reaktionsprodukts mit warmer methanol. Natronlauge; | |
With acetic acid; platinum Hydrogenation.Behandlung des Reaktionsprodukts mit warmer wss. Salzsaeure; |
Conditions | Yield |
---|---|
With acetic acid; zinc |
Conditions | Yield |
---|---|
With sodium amalgam | |
With acetic acid; zinc | |
With acetic acid; zinc |
Conditions | Yield |
---|---|
at 240℃; |
Conditions | Yield |
---|---|
With copper-nickel-cobalt catalyst; water at 320℃; Hydrogenation; |
terephthalic acid
acetic acid
A
1,4-cyclohexanedicarboxylic acid
B
cis-cyclohexane-1,4-dicarboxylic acid
Conditions | Yield |
---|---|
Hydrogenation; |
dimethyl 1-cyclohexen-1,4-dicarboxylate
acetic acid
A
1,4-cyclohexanedicarboxylic acid
B
cis-cyclohexane-1,4-dicarboxylic acid
Conditions | Yield |
---|---|
Behandlung des Reaktionsprodukts mit warmer wss. Salzsaeure.Hydrogenation; | |
Behandlung des Reaktionsprodukts mit methanol. Natronlauge.Hydrogenation; |
cyclohex-1-ene-1,4-dicarboxylic acid
hydrogen iodide
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
at 240℃; |
cyclohexane-1,1,4-tricarboxylic acid
A
carbon dioxide
B
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
at 200 - 220℃; |
1,4-dibromo-trans-cyclohexane-1,4-dicarboxylic acid dimethyl ester
acetic acid
A
1,4-cyclohexanedicarboxylic acid
B
cis-cyclohexane-1,4-dicarboxylic acid
Conditions | Yield |
---|---|
anschl. Verseifung; |
2,5-dibromo-cyclohexane-1,4-dicarboxylic acid
acetic acid
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
2.5-dibromo-trans-hexahydroterephthalic acid; |
2-bromo-cyclohexane-1,4-dicarboxylic acid
acetic acid
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
2-bromo-trans-hexahydroterephthalic acid; |
1,4-dibromo-cyclohexane-1r,4t-dicarboxylic acid
A
1,4-cyclohexanedicarboxylic acid
B
cis-cyclohexane-1,4-dicarboxylic acid
ethanol
1,4-cyclohexanedicarboxylic acid
diethyl cyclohexane-trans-1,4-dicarboxylate
Conditions | Yield |
---|---|
With sulfuric acid for 20h; Reflux; | 100% |
Conditions | Yield |
---|---|
With NaOH In water High Pressure; a soln. of Co-contg. compd. was added to a soln. of a mixt. of cis- and trans-1,4-cyclohexanedicarboxylic acid and NaOH; addn. of barbityric acid (2 mmol) and an aq. soln. of NaOH (2 mmol); heating in autoclave at 170-200°C for 16 h; cooling in a water bath; the barbituric acid was sepd. from the crystalsby flotation in a water/methanol mixt. and decantation; the crystals we re washed with acetone and dried in air; elem. anal. powder XRD; | 99% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In 1,4-dioxane; hydrogenchloride at 25℃; for 16h; Condensation; | 97% |
1,4-cyclohexanedicarboxylic acid
trans-1,4-cyclohexanedicarboxylic acid dichloride
Conditions | Yield |
---|---|
With thionyl chloride; N-benzyl-N,N,N-triethylammonium chloride In 1,2-dichloro-ethane for 0.5h; Heating; | 96% |
With thionyl chloride | |
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane for 18h; Ambient temperature; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 120℃; for 72h; Autoclave; High pressure; | 85% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 120℃; for 72h; Autoclave; High pressure; | 80% |
Conditions | Yield |
---|---|
With dmap; 2,6-di-tert-butyl-4-methyl-phenol; diisopropyl-carbodiimide In 1-methyl-pyrrolidin-2-one at 45℃; for 16h; Inert atmosphere; | 77% |
With dmap; 3,5-dibutyl-4-hydroxytoluene; diisopropyl-carbodiimide In 1-methyl-pyrrolidin-2-one at 45℃; for 15h; | 75% |
Stage #1: trans-hexahydroterephthalic acid With methanesulfonyl chloride; triethylamine In tetrahydrofuran at 20 - 30℃; for 2.16667h; Inert atmosphere; Stage #2: 6-[(4-hydroxyphenyl)oxy]hexyl acrylate With dmap; triethylamine In tetrahydrofuran at 15 - 30℃; for 2.16667h; | 65% |
Conditions | Yield |
---|---|
With dmap; 3,5-dibutyl-4-hydroxytoluene; diisopropyl-carbodiimide In 1-methyl-pyrrolidin-2-one at 45℃; for 15h; | 77% |
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In N,N-dimethyl-formamide at 25℃; for 16h; Condensation; | 76% |
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In chloroform at 15 - 25℃; for 6h; Inert atmosphere; | 75.1% |
With dmap; diisopropyl-carbodiimide In chloroform at 15 - 25℃; for 6h; Inert atmosphere; | 18 g |
Conditions | Yield |
---|---|
With sodium ethoxide In benzene Schlenk; ligand (1 mmol) and sodium ethoxide (2 mmol) in benzene stirredfor 10 min, Sn compd. (2 mmol) added, stirred for 12 h at 40°C; filtered, concd., pptd., recrystd. (Et2O), elem. anal.; | 75% |
Conditions | Yield |
---|---|
With sodium ethoxide In benzene Schlenk; ligand (1 mmol) and sodium ethoxide (2 mmol) in benzene stirredfor 10 min, Sn compd. (2 mmol) added, stirred for 12 h at 40°C; filtered, concd., pptd., recrystd. (Et2O), elem. anal.; | 75% |
Conditions | Yield |
---|---|
In ethanol mixt. of Re-complex and ligand was refluxed in EtOH for 3 ds under N2; filtered, washed with EtOH and Et2O; elem. anal.; | 74% |
Conditions | Yield |
---|---|
With dmap; 3,5-dibutyl-4-hydroxytoluene; diisopropyl-carbodiimide In 1-methyl-pyrrolidin-2-one at 45℃; for 16h; | 73% |
Conditions | Yield |
---|---|
With sodium ethoxide In benzene Schlenk; ligand (1 mmol) and sodium ethoxide (2 mmol) in benzene stirredfor 10 min, Sn compd. (2 mmol) added, stirred for 12 h at 40°C; filtered, concd., pptd., recrystd. (Et2O), elem. anal.; | 71% |
1,4-cyclohexanedicarboxylic acid
[Al(OH)(trans-1,4-cyclohexanedicarboxylate)]*H2O
Conditions | Yield |
---|---|
With pyridine In water; N,N-dimethyl-d6-formamide at 130℃; for 12h; Concentration; Reagent/catalyst; Solvent; Autoclave; High pressure; | 71% |
Conditions | Yield |
---|---|
In ethanol; toluene for 8h; Reflux; Dean-Stark; | 71% |
1,4-cyclohexanedicarboxylic acid
Conditions | Yield |
---|---|
With NaOH In water High Pressure; a soln. of a mixt. of cis- and trans-1,4-cyclohexanedicarboxylic acid (65/35) or only the trans isomer with NaOH in H2O added to a soln. of Ni complex, sealed, heated to 100°C for 1 d in an autoclave; cooled, crystals washed with H2O and acetone, dried in air; elem. anal.; | 70% |
1,4-cyclohexanedicarboxylic acid
trans-1,2-bis(pyridin-4-yl)ethene
Conditions | Yield |
---|---|
With KOH In water High Pressure; (C6H10)(COOH)2 (0.46 mmol), KOH (0.93 mmol), Cd(NO3)2*4H2O (0.46 mmol), and (C5H4N)2C2H2 (0.46 mmol) suspended in H2O; heated in pressure tube (120°C, 4 d); | 70% |
With KOH In ethanol; water (C6H10)(COOH)2 (0.46 mmol) dissolved in EtOH containing KOH (0.93 mmol);soln. of Cd(NO3)2*4H2O (0.46 mmol) and (C5H4N)2C2H2 (0.46 mmol) in EtOH -H2O (7:1) added; evapd. (4 d, room temp.); elem. anal.; | 44% |
Molecular Structure of trans-1,4-Cyclohexanedicarboxybic acid (CAS NO.619-82-9):
IUPAC Name: Cyclohexane-1,4-dicarboxylic acid
Molecular Formula: C8H12O4
Molecular Weight: 172.18
EINECS: 210-614-2
Melting Point: 312.5 °C
log P (octanol-water): 0.950
Index of Refraction: 1.521
Molar Refractivity: 39.885 cm3
Molar Volume: 130.952 cm3
Surface Tension: 57.832 dyne/cm
Density: 1.315 g/cm3
Flash Point: 200.254 °C
Enthalpy of Vaporization: 69.461 kJ/mol
Boiling Point: 384.075 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25 °C
Water Solubility: 800 mg/L at 17 °C
Atmospheric OH Rate Constant: 1.11E-11 cm3/molecule-sec at 25 °C
Appearance: white to light yellow crystal powder
Canonical SMILES: C1CC(CCC1C(=O)O)C(=O)O
InChI: InChI=1S/C8H12O4/c9-7(10)5-1-2-6(4-3-5)8(11)12/h5-6H,1-4H2,(H,9,10)(H,11,12)
InChIKey: PXGZQGDTEZPERC-UHFFFAOYSA-N
Product Categories: chiral;4-Substituted Cyclohexanecarboxylic Acids; C8; Carbonyl Compounds; Carboxylic Acids
Safety Information of trans-1,4-Cyclohexanedicarboxybic acid (CAS NO.619-82-9):
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
trans-1,4-Cyclohexanedicarboxybic acid (CAS NO.619-82-9), its Synonyms are trans-Hexahydroterephthalic acid ; 1,4-Cyclohexanedicarboxylic acid, trans- ; trans-Hexahydro-p-phthalic acid ; trans-Cyclohexane-1,4-dicarboxylic acid .
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