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Sodium; 7-oxo-tetracosanoate
n-tetracosanoic acid
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine hydrate In ethylene glycol 1.) reflux, 1 h, 2.) reflux, 1 h; | 81.53% |
Conditions | Yield |
---|---|
With dihydrogen peroxide; 3C7H18N(1+)*O24PW4(3-) In water at 90℃; for 8h; | 78.1% |
Conditions | Yield |
---|---|
With ethanol; platinum Hydrogenation; | |
With diethyl ether; palladium Hydrogenation; |
Conditions | Yield |
---|---|
With phosphorus; hydrogen iodide; acetic acid at 120 - 125℃; |
Conditions | Yield |
---|---|
at 95℃; beim Durchleiten von Luft; |
7-oxo-tetracosanoic acid
n-tetracosanoic acid
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine hydrate; diethylene glycol at 195℃; |
10-oxo-tetracosanoic acid
n-tetracosanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; amalgamated zinc; acetic acid |
n-tetracosanoic acid
Conditions | Yield |
---|---|
Hydrogenation; |
Conditions | Yield |
---|---|
at 140 - 150℃; im Hochvakuum; | |
at 160 - 180℃; |
Conditions | Yield |
---|---|
With methanol; sebacic acid mono methyl ester; sodium Electrolysis.Behandlung des Reaktionsprodukts mit methanol.Natronlauge; |
3-β-O-<β-D-2-tetracosylxylopyranosyl>-stigmasterol
A
n-tetracosanoic acid
B
(2S,3R,4S,5R)-2-[(3S,8S,9S,10R,13R,14S,17R)-17-((E)-(1R,4S)-4-Ethyl-1,5-dimethyl-hex-2-enyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-tetrahydro-pyran-3,4,5-triol
Conditions | Yield |
---|---|
With potassium hydroxide In methanol for 6h; Heating; | A n/a B 26 mg |
7-oxotriacontanoic acid
n-tetracosanoic acid
Conditions | Yield |
---|---|
usual Wolf-Kishner reduction; |
(9E,11E,13E)-Tetracosa-9,11,13-trienoic acid
n-tetracosanoic acid
Conditions | Yield |
---|---|
With hydrogen; platinum(IV) oxide | 0.086 g |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; amalgamated zinc |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; amalgamated zinc |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With sodium hydroxide; hydrazine hydrate; 2,2'-[1,2-ethanediylbis(oxy)]bisethanol zulezt bei 200grad nach teilweisen Abdestillieren des Loesungsmittels; |
n-tetracosanoic acid
Conditions | Yield |
---|---|
Hydrolysis; |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With platinum(IV) oxide; ethanol under 2280 Torr; Hydrogenation; | |
With nickel at 180℃; under 1140 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With sulfuric acid Hydrolysis.das Methylester ist entstanden; |
Conditions | Yield |
---|---|
With sulfuric acid Hydrolysis.das Aethylester ist entstanden; |
n-tetracosanoic acid
Conditions | Yield |
---|---|
Hydrolysis; |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
Hydrogenation; |
n-tetracosanoic acid
Conditions | Yield |
---|---|
durch Oxidation; |
Conditions | Yield |
---|---|
Hydrogenation; |
Conditions | Yield |
---|---|
Hydrogenation; |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With platinum(IV) oxide; ethanol under 2280 Torr; Hydrogenation; | |
With nickel at 180℃; under 1140 Torr; Hydrogenation; |
A
n-tetracosanoic acid
B
lup-20(29)-ene-3β,7β,15α-triol
C
1-hexadecylcarboxylic acid
D
stearic acid
Conditions | Yield |
---|---|
With hydrogenchloride; potassium hydroxide; ethanol for 2h; Heating; Further byproducts given; | A 7 % Chromat. B 36 mg C 17 % Chromat. D 6 % Chromat. |
n-tetracosanoic acid
(2R,3S,4E)-1,3-di-O-(1-ethoxyethyl)-2-amino-4-octadecene-1,3-diol
(2R,3S,4E)-1,3-di-O-(1-ethoxyethyl)-N-tetracosanyl-2-amino-4-octadecene-1,3-diol
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 1h; Heating; | 99.5% |
1-hydroxy-pyrrolidine-2,5-dione
n-tetracosanoic acid
tetracosanoic acid N-hydroxysuccinimide ester
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 12h; | 99% |
With dicyclohexyl-carbodiimide |
n-tetracosanoic acid
(2R,3S,4Z)-1,3-di-O-(1-ethoxyethyl)-2-amino-4-octadecene-1,3-diol
(2R,3S,4Z)-1,3-di-O-(1-ethoxyethyl)-N-tetracosanyl-2-amino-4-octadecene-1,3-diol
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 1h; Heating; | 98% |
n-tetracosanoic acid
(2S,3R,4E,6R)-2-amino-1,3,6-tris(tert-butyldimethylsilyloxy)-4-octadecene
Tetracosanoic acid [(E)-(1S,2R,5R)-2,5-bis-(tert-butyl-dimethyl-silanyloxy)-1-(tert-butyl-dimethyl-silanyloxymethyl)-heptadec-3-enyl]-amide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 12h; | 96% |
Conditions | Yield |
---|---|
With aluminum oxide; sodium fluoride at 165℃; for 12h; Inert atmosphere; | 95% |
n-tetracosanoic acid
(2S,3S)-1,3-di-O-(1-ethoxyethyl)-2-amino-4-octadecene-1,3-diol
(2S,3S)-1,3-di-O-(1-ethoxyethyl)-N-tetracosanoyl-2-amino-4-octadecene-1,3-diol
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 1h; Heating; | 94.5% |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In chloroform at 20℃; for 20h; | 92% |
n-tetracosanoic acid
tris[3-(N-tert-butoxycarbonylamino)propyl]methylamine
N-[tris(3-(N-tert-butoxycarbonylamino)propyl)methyl]eicosanamide
Conditions | Yield |
---|---|
Stage #1: n-tetracosanoic acid With dicyclohexyl-carbodiimide In dichloromethane for 0.5h; Stage #2: tris[3-(N-tert-butoxycarbonylamino)propyl]methylamine With dmap In dichloromethane for 2h; | 91% |
n-tetracosanoic acid
(2S,3S,4R)-2-amino-3,4-O-isopropylidene-1-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-1,3,4-nonanetriol
(2S,3S,4R)-3,4-O-isopropylidene-1-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-2-tetracosanoylamino-1,3,4-nonanetriol
Conditions | Yield |
---|---|
Stage #1: n-tetracosanoic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane; N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: (2S,3S,4R)-2-amino-3,4-O-isopropylidene-1-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-1,3,4-nonanetriol With N-ethyl-N,N-diisopropylamine In dichloromethane; N,N-dimethyl-formamide at 30℃; for 16h; | 89% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 30℃; | 89% |
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In 1,2-dichloro-ethane for 1h; Ambient temperature; | 88% |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; water-d2; potassium hydroxide at 195℃; under 11251.1 Torr; for 100h; Inert atmosphere; | 83% |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; Inert atmosphere; | 82% |
With lithium aluminium tetrahydride | |
With lithium aluminium tetrahydride In tetrahydrofuran |
n-tetracosanoic acid
2-amino-1,3-bis(1-ethoxyethoxy)-4-Z-D-erythro-octadec-4-ene
1,3-bis(1-ethoxyethoxy)-2-tetracosanamido-4-Z-D-erythro-octadec-4-ene
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 1h; Heating; | 78% |
n-tetracosanoic acid
(+/-)-2-bromotetracosanoic acid
Conditions | Yield |
---|---|
With phosphorus; bromine at 95℃; for 6h; | 77% |
With anhydrous phosphorus trichloride; bromine In water |
n-tetracosanoic acid
(2S,3S,4R)-1,3,4-tri-O-benzyl-2-amino-1,3,4-octadecanetriol
(2S,3S,4R)-1,3,4-tri-O-benzyl-N-tetracosanoyl-2-amino-1,3,4-octadecanetriol
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 1h; Heating; | 75% |
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 2h; Heating; Yield given; |
n-tetracosanoic acid
(2S,3S,4R)-2-amino-1,3,4-tris(tert-butyldimethylsilyloxy)nonane
(2S,3S,4R)-1,3,4-tris(tert-butyldimethylsilanyloxy)-2-tetracosanoylaminononane
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 15h; | 75% |
n-tetracosanoic acid
6-(((tert-butyldimethylsilyl)oxy)methyl)-2,2,3,3,9,9,10,10-octamethyl-4,8-dioxa-3,9-disilaundecan-6-amine
N-[tris(tert-butyldimethylsilyloxymethyl)methyl]tetraeicosanamide
Conditions | Yield |
---|---|
Stage #1: n-tetracosanoic acid With dicyclohexyl-carbodiimide In dichloromethane for 0.5h; Stage #2: 6-(((tert-butyldimethylsilyl)oxy)methyl)-2,2,3,3,9,9,10,10-octamethyl-4,8-dioxa-3,9-disilaundecan-6-amine With dmap In dichloromethane for 2h; | 72% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 5h; Inert atmosphere; | 71% |
Conditions | Yield |
---|---|
Stage #1: n-tetracosanoic acid With oxalyl dichloride In dichloromethane at 20℃; Inert atmosphere; Stage #2: rotigotine With triethylamine In dichloromethane | 70% |
L-threo-dihydrosphingosine
n-tetracosanoic acid
N-((2S,3S)-1,3-dihydroxyoctadecan-2-yl)-tetracosanamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; | 68% |
n-tetracosanoic acid
Conditions | Yield |
---|---|
Stage #1: tert-butyl-(S)-4-((1R,4R,E)-1,4-dihydroxyhexadec-2-en-1-yl)-2,2-dimethyloxazolidine-3-carboxylate With trifluoroacetic acid In water at 20℃; for 24h; Inert atmosphere; Stage #2: n-tetracosanoic acid With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In tetrahydrofuran; dichloromethane at 0 - 20℃; for 24h; Inert atmosphere; | 65% |
n-tetracosanoic acid
(2S,3S,4E)-L-threo sphingosine
N-((2S,3S,4E)-1,3-dihydroxyoctadec-4-en-2-yl)tetracosanamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; | 62% |
n-tetracosanoic acid
Conditions | Yield |
---|---|
Stage #1: n-tetracosanoic acid With triethylamine; isobutyl chloroformate In dichloromethane at 20℃; for 0.833333h; Stage #2: C32H57NO12 In dichloromethane; N,N-dimethyl-formamide at 0℃; Inert atmosphere; | 58% |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With triethylamine; scandium tris(trifluoromethanesulfonate) In acetonitrile at 65℃; for 72h; Sealed tube; regioselective reaction; | 51% |
n-tetracosanoic acid
O-(2,3,4,6-tetra-O-acetyl-α-D-manp)-(1->3)-O-<(2,3,4-tri-O-acetyl-β-D-xylp)-(1->2)>-O-(4,6-di-O-acetyl-β-D-manp)-(1->4)-O-(2,3,6-tri-O-acetyl-β-D-glucopyranosyl)-(1->1)-3-O-(tert-butyldiphenylsilyl)-2-N-tetracosanoyl-(4E)-sphingenine
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane at 30℃; for 3h; | 49% |
n-tetracosanoic acid
(3S,4S,5R)-4,5-O-isopropylidene-1-(2,3,4,6-tetra-O-benzyl-α-D-galactosyl)-3-tetracosanoylamino-4,5-decanediol
Conditions | Yield |
---|---|
With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine In dichloromethane; N,N-dimethyl-formamide at 20℃; | 48% |
With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane; N,N-dimethyl-formamide at 20℃; |
n-tetracosanoic acid
Conditions | Yield |
---|---|
With triethylamine; scandium tris(trifluoromethanesulfonate) In acetonitrile at 60℃; for 72h; Sealed tube; regioselective reaction; | 47% |
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