1-hydroxy-cis-15-tetracosene
Nervonic acid
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene In water; acetonitrile at 20℃; for 7h; | 70% |
(Z)-22-bromo-9-docosene
sodium diethylmalonate
A
Nervonic acid
B
tetracos-15t-enoic acid
Conditions | Yield |
---|---|
With ethanol Verseifen des Reaktionsprodukts mit siedender alkoh.KOH und Erhitzen der erhaltenen Dicarbonsaeure auf 175-210grad; die Trennung der beiden Stereoisomeren erfolgt durch fraktionierte Krystallysation aus Aethanol oder Aceton; | |
With i-Amyl alcohol Verseifen des Reaktionsprodukts mit siedender alkoh.KOH und Erhitzen der erhaltenen Dicarbonsaeure auf 175-210grad; die Trennung der beiden Stereoisomeren erfolgt durch fraktionierte Krystallysation aus Aethanol oder Aceton; |
Nervonic acid
Conditions | Yield |
---|---|
at 175℃; |
Conditions | Yield |
---|---|
With methanol; sodium methylate Electrolysis.Hydrolyse des gebildeten Tetracos-15c-ensaeure-methylesters durch Erwaermen mit wss.-methanol.Natronlauge; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: toluene; phosphorus (III)-bromide / 0 - 5 °C 2: sodium ethylate; ethanol / beim Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge 3: 175 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: dmap; triethylamine; methanesulfonyl chloride / dichloromethane / 0 - 20 °C 1.2: 60 °C 2.1: magnesium; iodine / 1 h / Reflux 2.2: 4 h / -40 °C / Inert atmosphere 3.1: [bis(acetoxy)iodo]benzene; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / acetonitrile; water / 7 h / 20 °C View Scheme |
(Z)-22-bromo-9-docosene
Nervonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium ethylate; ethanol / beim Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge 2: 175 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: magnesium; iodine / 1 h / Reflux 1.2: 4 h / -40 °C / Inert atmosphere 2.1: [bis(acetoxy)iodo]benzene; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / acetonitrile; water / 7 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: lithium alanate; diethyl ether 2: toluene; phosphorus (III)-bromide / 0 - 5 °C 3: sodium ethylate; ethanol / beim Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge 4: 175 °C View Scheme |
Conditions | Yield |
---|---|
Stage #1: C26H50O2 With potassium hydroxide; water In methanol at 60℃; for 0.333333h; Stage #2: nonan-1-al With hydrogenchloride In tetrahydrofuran; water |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: sulfuric acid / Reflux 2.1: lithium aluminium tetrahydride / tetrahydrofuran / 20 °C / Inert atmosphere 3.1: dmap; triethylamine; methanesulfonyl chloride / dichloromethane / 0 - 20 °C 3.2: 60 °C 4.1: magnesium; iodine / 1 h / Reflux 4.2: 4 h / -40 °C / Inert atmosphere 5.1: [bis(acetoxy)iodo]benzene; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / acetonitrile; water / 7 h / 20 °C View Scheme |
ethyl (13Z)-13-docosenoate
Nervonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: lithium aluminium tetrahydride / tetrahydrofuran / 20 °C / Inert atmosphere 2.1: dmap; triethylamine; methanesulfonyl chloride / dichloromethane / 0 - 20 °C 2.2: 60 °C 3.1: magnesium; iodine / 1 h / Reflux 3.2: 4 h / -40 °C / Inert atmosphere 4.1: [bis(acetoxy)iodo]benzene; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / acetonitrile; water / 7 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: lithium aluminium tetrahydride 2: dibromotriphenylphosphorane / dichloromethane 3: (1,2-dimethoxyethane)dichloronickel(II); 4,4',4-tri-tert-butyl-2,2':6',2-terpyridine; manganese / N,N-dimethyl-formamide / 4 h / 40 °C 4: sodium hydroxide / ethanol / 1 h / 60 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dibromotriphenylphosphorane / dichloromethane 2: (1,2-dimethoxyethane)dichloronickel(II); 4,4',4-tri-tert-butyl-2,2':6',2-terpyridine; manganese / N,N-dimethyl-formamide / 4 h / 40 °C 3: sodium hydroxide / ethanol / 1 h / 60 °C / Inert atmosphere View Scheme |
(Z)-1-bromo-9-octadecene
Nervonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (1,2-dimethoxyethane)dichloronickel(II); 4,4',4-tri-tert-butyl-2,2':6',2-terpyridine; manganese / N,N-dimethyl-formamide / 4 h / 40 °C 2: sodium hydroxide / ethanol / 1 h / 60 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol at 60℃; for 1h; Inert atmosphere; |
Nervonic acid
(Z)-tetracos-15-enoyl chloride
Conditions | Yield |
---|---|
With thionyl chloride for 2h; Reflux; Inert atmosphere; | 99% |
With oxalyl dichloride for 3h; | |
With phosphorus pentachloride In diethyl ether at 20℃; for 3h; |
Nervonic acid
N,O-dimethylhydroxylamine*hydrochloride
(Z)-Tetracos-15-enoic acid methoxy-methyl-amide
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 25℃; for 1h; | 94% |
Conditions | Yield |
---|---|
Stage #1: Nervonic acid With 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 2h; Stage #2: benzylamine With dmap In dichloromethane at 20℃; for 18h; | 94% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 1.5h; |
1-hydroxy-pyrrolidine-2,5-dione
Nervonic acid
nervonic acid N-hydroxysuccinimide ester
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In ethyl acetate | 76% |
Nervonic acid
(2S,3R,4E)-1-(β-D-galactopyranosyloxy)-2-(15(Z)-tetracosenoylamino)-3-hydroxyoctadec-4-ene
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 2h; Heating; | 64% |
Nervonic acid
(2S,3R,4E)-3-benzoyloxy-1-[6-O-(tert-butyldiphenylsilyl)-2-O-levulinyl-3-O-(4-methoxybenzyl)-4-O-{[β-(trimethylsilyl)ethoxy]methyl}-β-D-galactopyranosyloxy]-2-((Z)-tetracos-15-enoylamino)-octadec-4-ene
Conditions | Yield |
---|---|
With tributylphosphine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; Staudinger reaction; | 60% |
Nervonic acid
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 4h; Heating; | 57% |
Nervonic acid
Conditions | Yield |
---|---|
Stage #1: Nervonic acid With n-butyllithium; isopropylamine In tetrahydrofuran at -55℃; for 0.5h; Stage #2: With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran at 0 - 20℃; for 16h; Stage #3: With oxygen In tetrahydrofuran at 0℃; for 1h; | 56% |
Nervonic acid
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane | 50% |
Conditions | Yield |
---|---|
With chloroform; ozone Beim Spalten des Ozonids mit Wasser auf dem Wasserbad und Oxydieren mit Kaliumpermanganat; |
Conditions | Yield |
---|---|
With ethanol; platinum Hydrogenation; | |
With diethyl ether; palladium Hydrogenation; |
Nervonic acid
tetracos-15t-enoic acid
Conditions | Yield |
---|---|
With nitros gas | |
With nitros gas; acetone |
Nervonic acid
(+/-)-threo-15,16-dihydroxy-tetracosanoic acid
Conditions | Yield |
---|---|
With formic acid; dihydrogen peroxide beim anschliessenden Erhitzen mit wss. Natronlauge; |
Nervonic acid
(+/-)-erythro-15,16-dihydroxy-tetracosanoic acid
Conditions | Yield |
---|---|
With potassium hydroxide; potassium permanganate |
Conditions | Yield |
---|---|
With chloroform bei der Ozonspaltung; |
Nervonic acid
Conditions | Yield |
---|---|
With bromine In chloroform |
Nervonic acid
Conditions | Yield |
---|---|
With iodine In chloroform |
Conditions | Yield |
---|---|
With sodium hydroxide; potassium borohydride; ozone 1.) EtOH, hexane; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
Hydrogenation; |
Conditions | Yield |
---|---|
Hydrogenation; |
Conditions | Yield |
---|---|
Kochen des Reaktionsprodukts mit Brom und rotem Phosphor und Verseifen mit Wasser; |
Molecular Structure:
Molecular Formula: C24H46O2
Molecular Weight: 366.6208
IUPAC Name: (Z)-Tetracos-15-enoic acid
Synonyms of Nervonic acid (CAS NO.506-37-6): 15-Tetracosenoic acid ; cis-15-Tetracosenoic acid; Selacholeic acid
CAS NO: 506-37-6
Product Categories: Fatty & Aliphatic Acids, Esters, Alcohols & Derivatives ; Biochemistry ; Higher Fatty Acids & Higher Alcohols ; Unsaturated Higher Fatty Acids ; Functional Products
Melting point: 42-43 °C
Index of Refraction: 1.468
Molar Refractivity: 114.85 cm3
Molar Volume: 412.9 cm3
Surface Tension: 33.8 dyne/cm
Density: 0.887 g/cm3
Flash Point: 375.8 °C
Enthalpy of Vaporization: 81.44 kJ/mol
Boiling Point: 479.2 °C at 760 mmHg
Vapour Pressure: 1.68E-10 mmHg at 25°C
Nervonic acid (CAS NO.506-37-6) is used in the treatment of disorders involving demyelination.
Hazard Codes of Nervonic acid (CAS NO.506-37-6): Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
WGK Germany: 3
F: 8-10
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