ethanol
L-Lysine hydrochloride
L-lysine ethyl ester dihydrochloride
Conditions | Yield |
---|---|
With thionyl chloride Reflux; | 87% |
With thionyl chloride at -10℃; for 6h; Reflux; | 87% |
With hydrogenchloride at 70℃; for 5h; |
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
Stage #1: C11H15N2O5PolS With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; Stage #2: L-lysine ethyl ester dihydrochloride With dmap In dichloromethane at 20℃; for 42h; | 94% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 6h; | 88.8% |
Conditions | Yield |
---|---|
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 16h; Inert atmosphere; | 85% |
L-lysine ethyl ester dihydrochloride
trimellitic Anhydride
C26H22N2O10
Conditions | Yield |
---|---|
With pyridine; acetic acid at 20℃; for 6h; Reflux; | 79% |
With pyridine; acetic acid for 8h; Reflux; |
2-(2-methoxyethoxy)acetic acid
L-lysine ethyl ester dihydrochloride
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; Cooling with ice; | 77.8% |
L-lysine ethyl ester dihydrochloride
geldanmycin
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; methanol at 60℃; | 74.1% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitroimidazole-1-acetic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide for 0.25h; Inert atmosphere; Stage #2: L-lysine ethyl ester dihydrochloride With triethylamine In N,N-dimethyl-formamide Inert atmosphere; | 69% |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 20℃; | 66% |
formaldehyd
2-sulfanylidene-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one
L-lysine ethyl ester dihydrochloride
Conditions | Yield |
---|---|
In water; acetonitrile at 20℃; | 51% |
In water; acetonitrile at 20℃; Mannich Aminomethylation; regiospecific reaction; | 51% |
[(2R,3R,4R)-3,4-diacetoxy-5-[2-oxo-4-(1,2,4-triazol-1-yl)pyrimidin-1-yl]tetrahydrofuran-2-yl]methyl acetate
L-lysine ethyl ester dihydrochloride
Conditions | Yield |
---|---|
With triethylamine In acetonitrile | 42.3% |
L-lysine ethyl ester dihydrochloride
1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4-(1,2,4-triazol-1-yl)pyrimidin-2(1H)-one
Conditions | Yield |
---|---|
With triethylamine In acetonitrile | 40.8% |
formaldehyd
m-xylylene diisocyanide
Boc-Glu(OBzl)-OH
L-lysine ethyl ester dihydrochloride
C54H72N6O14
Conditions | Yield |
---|---|
Stage #1: formaldehyd; L-lysine ethyl ester dihydrochloride In methanol at 20℃; for 2h; Ugi type macrocyclization; Stage #2: Boc-Glu(OBzl)-OH In methanol for 0.5h; Ugi type macrocyclization; Stage #3: m-xylylene diisocyanide In methanol Ugi type macrocyclization; | 40% |
Conditions | Yield |
---|---|
Stage #1: 3-formylrifamycin SV With hydrogenchloride In ethanol; dichloromethane Stage #2: L-lysine ethyl ester dihydrochloride With potassium hydroxide In methanol; ethanol; dichloromethane at 40℃; for 0.5h; Stage #3: With sodium cyanoborohydride In methanol; ethanol; dichloromethane at 20℃; for 1h; | 33% |
2-fluoro-1-methoxy-4-nitrobenzene
L-lysine ethyl ester dihydrochloride
A
5-nitroguaiacol
B
2-(2-methoxy-5-nitrophenyl)amino-ε-caprolactame
Conditions | Yield |
---|---|
In acetonitrile for 4h; Ambient temperature; Irradiation; pH=10; | A 22% B 6% |
Conditions | Yield |
---|---|
With ethanol; sodium acetate |
10-undecenoic acid
L-lysine ethyl ester dihydrochloride
N,N'-Bis-(10-undecenoyl)-L-lysinethylester
Conditions | Yield |
---|---|
(i) ClCO2Et, Et3N, (ii) /BRN= 3697099/; Multistep reaction; | |
(i) Et3N, DMF, (ii) ClCO2Et, (iii) /BRN= 3697099/; Multistep reaction; |
tert-Butyl 4-nitrophenyl carbonate
L-lysine ethyl ester dihydrochloride
Nα,Nε-Di-tert.-butyloxycarbonyl-L-lysin-ethylester
Conditions | Yield |
---|---|
With pyridine |
L-lysine ethyl ester dihydrochloride
n-decanoyl chloride
N,N'-Bis-(decanoyl)-L-lysinethylester
Conditions | Yield |
---|---|
With triethylamine | |
With triethylamine In N,N-dimethyl-formamide |
L-lysine ethyl ester dihydrochloride
A
lysine tetrapeptide
B
poly(L-lysine), 5-mer
C
L-lysine
D
dilysine
E
Lys-Lys-Lys
F
hexalysine
Conditions | Yield |
---|---|
multistep reaction; 1.) trypsin, Na2CO3 buffer pH 10.0, 25 deg C, 2.) NaOH, 60 deg C, 15 min; trypsin-catalyzed oligomerization of L-lysine esters, pH-dependence, reaction rate, kinetics, effect of NaCl; other L-lysin alkyl esters, enzyme or amino acids; |
L-lysine ethyl ester dihydrochloride
A
lysine tetrapeptide
B
poly(L-lysine), 5-mer
C
Lys-Lys-Lys
D
lysine peptide K8
Conditions | Yield |
---|---|
With sodium hydroxide 1.) trypsin, sodium carbonate buffer pH 10.0, 25 deg C, 1 h, 2.) 60 deg C, 15 min; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given; |
L-lysine ethyl ester dihydrochloride
A
lysine tetrapeptide
B
poly(L-lysine), 5-mer
C
Lys-Lys-Lys
D
hexalysine
Conditions | Yield |
---|---|
With sodium hydroxide 1.) trypsin, sodium carbonate buffer pH 10.0, 25 deg C, 1 h, 2.) 60 deg C, 15 min; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given; |
L-lysine ethyl ester dihydrochloride
A
lysine tetrapeptide
B
poly(L-lysine), 5-mer
C
Lys-Lys-Lys
D
(Lys)7
Conditions | Yield |
---|---|
With sodium hydroxide 1.) trypsin, sodium carbonate buffer pH 10.0, 25 deg C, 1 h, 2.) 60 deg C, 15 min; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given; |
L-lysine ethyl ester dihydrochloride
A
lysine tetrapeptide
B
L-lysine
C
dilysine
D
Lys-Lys-Lys
Conditions | Yield |
---|---|
With sodium hydroxide 1.) trypsin, sodium carbonate buffer pH 10.0, 25 deg C, 3 h, 2.) 60 deg C, 15 min; Yield given. Multistep reaction. Yields of byproduct given; |
L-lysine ethyl ester dihydrochloride
A
L-lysine
B
dilysine
C
Lys-Lys-Lys
Conditions | Yield |
---|---|
With sodium hydroxide 1.) trypsin, sodium carbonate buffer pH 10.0, 25 deg C, 24 h, 2.) 60 deg C, 15 min; Yield given. Multistep reaction. Yields of byproduct given; |
L-lysine ethyl ester dihydrochloride
benzyl chloroformate
Nα,Nξ-di-Cbz-L-lysine ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In water for 20h; | 14.00 g |
L-lysine ethyl ester dihydrochloride
Nα,Nε-bis(benzyloxycarbonyl)-D-lysinal
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 14.00 g / K2CO3 / H2O / 20 h 2: 89 percent / CaCl2, NaBH4 / tetrahydrofuran; ethanol / 20 h / 0 - 20 °C 3: 1.) DMSO, COCl2, 2.) Et3N / 1.) CH2Cl2, -63 deg C, 20 min, 2.) CH2Cl2, -63 deg C, 20 min View Scheme |
L-lysine ethyl ester dihydrochloride
N,N-bis-Cbz-L-lysinol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 14.00 g / K2CO3 / H2O / 20 h 2: 89 percent / CaCl2, NaBH4 / tetrahydrofuran; ethanol / 20 h / 0 - 20 °C View Scheme |
L-lysine ethyl ester dihydrochloride
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 14.00 g / K2CO3 / H2O / 20 h 2: 89 percent / CaCl2, NaBH4 / tetrahydrofuran; ethanol / 20 h / 0 - 20 °C 3: 1.) DMSO, COCl2, 2.) Et3N / 1.) CH2Cl2, -63 deg C, 20 min, 2.) CH2Cl2, -63 deg C, 20 min View Scheme |
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