l-ornithine L-Ornithine Item Specification Specific Rotation [a]D20° +23.0° to +25.0° State of Solution Clear and colorless Ammonium(
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inquiryL-Ornithine CAS 70-26-8 Description Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality c
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cyclo(-Orn(Boc)-L-Ala-)
L-ornithine
Conditions | Yield |
---|---|
With hydrogenchloride at 110℃; for 24h; | 62% |
Conditions | Yield |
---|---|
With calcium hydroxide In ethanol at 50℃; for 1.5h; Product distribution / selectivity; | 43.95% |
With acidic ion exchange resin (Marason C, H-type) In water Product distribution / selectivity; |
glucose
L-ornithine
Conditions | Yield |
---|---|
mit Hilfe von Mutanten von Micrococcus glutamicus; |
Conditions | Yield |
---|---|
bei der Einw. von Leberpresssaft; | |
With barium dihydroxide | |
With arginase |
Conditions | Yield |
---|---|
With mammal liver | |
With barium dihydroxide | |
With urease; arginase |
N2-(toluene-4-sulfonyl)-L-ornithine
L-ornithine
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid |
N-(toluene-4-sulfonyl)-L-glutamic acid-5-nitrile
L-ornithine
Conditions | Yield |
---|---|
With methanol; ammonia; sodium | |
Multi-step reaction with 2 steps 1: platinum; acetic acid; aqueous HCl / Hydrogenation 2: HBr; acetic acid View Scheme |
Conditions | Yield |
---|---|
mit Hilfe von Mutanten von Micrococcus glutamicus; |
L-ornithine
Conditions | Yield |
---|---|
With ammonium hydroxide |
L-lysine
A
L-alanin
B
L-ornithine
C
L-Aspartic acid
D
glycine
Conditions | Yield |
---|---|
With ammonium sulfate In water for 40h; Irradiation; Yield given. Further byproducts given. Yields of byproduct given; |
L-lysine
A
L-threonine
B
L-ornithine
C
L-Aspartic acid
D
glycine
Conditions | Yield |
---|---|
With ammonium sulfate In water for 40h; Irradiation; Yield given. Further byproducts given. Yields of byproduct given; | |
With trimagnesium phosphate In water for 40h; Irradiation; Yield given. Further byproducts given. Yields of byproduct given; |
L-lysine
A
L-ornithine
B
L-Aspartic acid
C
glycine
D
3-amino propanoic acid
Conditions | Yield |
---|---|
With ammonium sulfate In water for 40h; Irradiation; Yield given. Further byproducts given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With water; Montmorillonite at 25℃; Rate constant; Equilibrium constant; Mechanism; | |
With sodium azide; sodium dithionite; L-arginine amidinohydrolase from bacterium Bacillus subtilis; acetic acid; manganese(ll) chloride In water pH=9.5; Inert atmosphere; Enzymatic reaction; | |
With water; glycine Kinetics; Enzymatic reaction; | |
With recombinant Plasmodium falciparum arginase beginning at residue K22 bearing N-terminal histidine tag; water; manganese(ll) chloride at 37℃; for 8h; Kinetics; Reagent/catalyst; pH-value; aq. buffer; Enzymatic reaction; |
Conditions | Yield |
---|---|
With Aspergillus oryzae acylase relative rates; |
N5-acetyl-N5-hydroxy-L-ornithine
L-ornithine
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; palladium on activated charcoal 1.) reflux, 2 h; 2.) H2O, 25 deg C, 7 h; Multistep reaction; |
2,2',ΔAla4,D-Ser4'>-GS
A
L-alanin
B
L-valine
C
D-Serine
D
L-leucine
E
L-ornithine
F
L-proline
Conditions | Yield |
---|---|
With hydrogen Product distribution; |
C58H100N12O16
A
L-alanin
B
D-Serine
C
L-leucine
D
L-ornithine
E
2-oxo-propionic acid
F
L-proline
Conditions | Yield |
---|---|
With hydrogen Product distribution; |
Conditions | Yield |
---|---|
With hydrogenchloride at 120℃; for 16h; Hydrolysis; | A n/a B n/a C 5.9 mg |
With hydrogenchloride at 120℃; for 16h; Product distribution; Hydrolysis; |
Conditions | Yield |
---|---|
With hydrogenchloride Product distribution; Hydrolysis; |
Conditions | Yield |
---|---|
With hydrogenchloride |
L-ornithine
Conditions | Yield |
---|---|
With sulfuric acid |
L-ornithine
Conditions | Yield |
---|---|
With barium dihydroxide Schuetteln mit Salicylaldehyd als Bariumsalz von Salicyliden-ornithin ab und hydrolysiert mit Salzsaeure oder Schwefelsaeure; |
L-ornithine
Conditions | Yield |
---|---|
With (-)-(R,R)-dibenzoyltartaric acid |
Conditions | Yield |
---|---|
With hydrogenchloride | |
With barium dihydroxide |
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
bei der Einw. von Leberpresssaft; |
L-ornithine
δ-N-hydroxy-L-ornithine
Conditions | Yield |
---|---|
With β-nicotinamide adenine dinucleotide 2’-phosphate reduced tetrasodium salt; flavin-adenin dinucleotide, disodium salt at 25℃; for 12h; pH=8.0; TRIS buffer; Enzymatic reaction; | 100% |
With Rhizobium etli CFN42 ATCC51251 VbsO N-hydroxylase; flavin adenine dinucleotide; NADH at 25℃; pH=8; Kinetics; aq. buffer; Enzymatic reaction; | |
With Aspergillus fumigatus siderophore A at 25℃; for 0.166667h; pH=7.5; Enzymatic reaction; |
L-ornithine
di-tert-butyl dicarbonate
(S)-2,5-bis((tert-butoxycarbonyl)amino)pentanoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 50℃; for 3h; | 98% |
With potassium carbonate |
Conditions | Yield |
---|---|
With hydrogenchloride | 94% |
Conditions | Yield |
---|---|
With sodium hydroxide for 4h; pH=8.5; Heating; | 90% |
Conditions | Yield |
---|---|
Stage #1: L-ornithine With copper(II) carbonate In water for 0.5h; Stage #2: benzyl chloroformate With sodium hydroxide In water for 1h; Stage #3: With hydrogenchloride; ethylenediaminetetraacetic acid for 2h; Further stages.; | 88% |
Stage #1: L-ornithine With copper diacetate; sodium hydroxide In water Inert atmosphere; Stage #2: benzyl chloroformate With sodium hydroxide In dioxide; water Inert atmosphere; Stage #3: With ethylenediaminetetraacetic acid pH=4 - 5; Inert atmosphere; | 73% |
Stage #1: L-ornithine In water Substitution; complexation; Heating; Stage #2: benzyl chloroformate With sodium hydroxide In diethyl ether; water Acylation; Stage #3: With hydrogenchloride; hydrogen sulfide In diethyl ether; water Decomposition; | 62% |
Yield given. Multistep reaction; | |
Stage #1: L-ornithine With β‐cyclodextrin In aq. buffer at 20℃; for 5h; pH=8; Stage #2: benzyl chloroformate In aq. buffer at 20℃; Reagent/catalyst; chemoselective reaction; |
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water at 50℃; for 4h; | 86.5% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; Acylation; | 86% |
L-ornithine
(S)-(-)-3-aminopiperidin-2-one
Conditions | Yield |
---|---|
Stage #1: L-ornithine With chloro-trimethyl-silane In methanol at 20℃; for 17h; Inert atmosphere; Stage #2: With sodium methylate In methanol at 0 - 20℃; for 2.5h; | 86% |
Multi-step reaction with 2 steps 1: HCl (g) / 1 h 2: NaOMe / methanol / 2 h View Scheme | |
With thionyl chloride In methanol at 20℃; for 0.5h; |
L-ornithine
2,3-bis(acetyloxy)benzoyl chloride
N2,N5-bis(2,3-diacetoxybenzoyl)-L-ornithine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran at 0 - 5℃; for 1h; | 85% |
L-ornithine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran at 0 - 5℃; for 1h; | 85% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 0.5h; | 80% |
L-ornithine
(S)-5-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-aminopentanoic acid
Conditions | Yield |
---|---|
Multistep reaction; | 80% |
Conditions | Yield |
---|---|
at 50℃; for 1h; | 80% |
L-ornithine
(fluorenylmethoxy)carbonyl chloride
Nα,Nε-bis(fluorenylmethoxycarbonyl)-L-ornithine
Conditions | Yield |
---|---|
79% |
L-ornithine
N-ethoxycarbonylphthalimide
Conditions | Yield |
---|---|
Stage #1: L-ornithine; N-ethoxycarbonylphthalimide With copper(ll) sulfate pentahydrate; sodium hydrogencarbonate; sodium hydroxide In water at 20℃; for 3h; Stage #2: With hydrogenchloride In water at 20℃; for 1h; | 77% |
L-ornithine
Boc-Phe-ONSu
(S)-2,5-Bis-((S)-2-tert-butoxycarbonylamino-3-phenyl-propionylamino)-pentanoic acid
Conditions | Yield |
---|---|
With 4-methyl-morpholine In N,N-dimethyl-formamide at 20℃; for 8h; Acylation; | 75% |
L-ornithine
Conditions | Yield |
---|---|
In ethanol; water for 2h; Reflux; | 74% |
4-(((5bS,6aS,7aR,8R,8aS,9aS,9bS,10aS,10bS)-8a-isopropyl-10b-methyl-3-oxo-1,2,3,5,5b,6,6a,8,8a,9a,9b,10b-dodecahydrotris(oxireno)[2',3':4b,5;2'',3'':6,7;2''',3''':8a,9]phenanthro[1,2-c]furan-8-yl)oxy)-4-oxobutanoic acid
L-ornithine
Conditions | Yield |
---|---|
With 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In 1,4-dioxane; water at 20℃; | 72% |
Conditions | Yield |
---|---|
Stage #1: copper(II) nitrate trihydrate; L-ornithine; water With sodium hydroxide Stage #2: 1,10-phenanthroline hydrate In ethanol at 60℃; for 6h; | 70% |
L-ornithine
acrylonitrile
A
Nα,N',Nα,N'-tetrakis(cyanoethyl)-L-ornithine
Conditions | Yield |
---|---|
Stage #1: L-ornithine; acrylonitrile With sodium hydroxide In tetrahydrofuran; water at 20℃; for 51h; Michael condensation; Reflux; Stage #2: With hydrogenchloride In tetrahydrofuran; water Cooling; | A 23.6% B 63.3% |
Conditions | Yield |
---|---|
Stage #1: L-ornithine With water for 0.5h; Heating; Stage #2: formic acid ethyl ester With trifluoroacetic acid In methanol for 4h; | 61% |
Conditions | Yield |
---|---|
In diethyl ether; ethanol; water for 2h; Heating; | 60% |
In ethanol; water refluxing ornithine with 15% excess of B-compd. (in EtOH/H2O=1:1, 2 h),filtration, washing (H2O), drying, recrystn. (EtOH/AcOH); | 60% |
L-ornithine
trifluoroacetic anhydride
2,2,2-trifluoro-N-(3-(5-oxo-2-(trifluoromethyl)-2,5-dihydrooxazol-4-yl)propyl)acetamide
Conditions | Yield |
---|---|
at 0 - 60℃; for 2h; | 55% |
Yield given; |
Conditions | Yield |
---|---|
With sodium hydroxide In water at -5℃; for 4h; pH:8-10; | 52% |
L-ornithine
(2,3-dimethoxycarbonyloxy)benzoyl chloride
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran at 0 - 5℃; for 1h; | 50% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 2h; | 47% |
L-ornithine
atorvastatin
Conditions | Yield |
---|---|
In ethyl acetate | 47% |
5-amino-4,6-dichloropyridimine
L-ornithine
(S)-2-Amino-5-(5-amino-6-chloro-pyrimidin-4-ylamino)-pentanoic acid
Conditions | Yield |
---|---|
With sodium hydroxide at 100℃; for 3h; | 45% |
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