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inquiryConditions | Yield |
---|---|
Stage #1: copper(II) complex of Nδ-tert-butoxycarbonyl-L-ornithine With 8-quinolinol; sodium carbonate In acetone for 1h; Stage #2: benzyl chloroformate With 1-hydroxy-pyrrolidine-2,5-dione In water at -5℃; for 0.5h; | 95% |
Nδ-(tert-butoxycarbonyl)-L-ornithine
benzyl chloroformate
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water at 20℃; for 12h; | 90% |
benzyl-8-quinolyl carbonate
di-tert-butyl dicarbonate
L-ornithine hydrochloride
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Acylation; Multistep reaction; | 82% |
di-tert-butyl dicarbonate
Nα-benzyloxycarbonyl-L-ornithine
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With sodium hydroxide; triethylamine In methanol at 20℃; for 24h; | 36% |
With triethylamine In methanol at 40℃; for 1h; | |
With sodium hydrogencarbonate |
N-(tert-butyloxycarbonyl) azide
Nα-benzyloxycarbonyl-L-ornithine
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With hydroxide | |
With magnesium oxide In 1,4-dioxane; water |
1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate
(2S)-2-{[(benzyloxy)carbonyl]amino}-4-(dimethylamino)butanoic acid
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With triethylamine In tert-butyl alcohol |
Conditions | Yield |
---|---|
With sodium hydroxide |
N-(Benzyloxycarbonyloxy)succinimide
di-tert-butyl dicarbonate
L-ornithine hydrochloride
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: di-tert-butyl dicarbonate; L-ornithine hydrochloride With sodium hydroxide; copper diacetate In water; acetone for 44h; Stage #2: With 8-quinolinol; sodium carbonate In water; acetone for 1.5h; Stage #3: N-(Benzyloxycarbonyloxy)succinimide In water; acetone at 20℃; for 1.5h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: Na2CO3 / H2O; acetone / 0.5 h / -10 °C 2.1: Cu(CH3COO)2; NaOH / H2O; acetone / 44 h 2.2: 8-quinolinol; Na2CO3 / acetone; H2O / 1.5 h 2.3: H2O; acetone / 1.5 h / 20 °C View Scheme |
N5-((Ξ)-benzyliden)-L-ornithine
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: MgO / dioxane; H2O View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: MgO / dioxane; H2O View Scheme |
di-tert-butyl dicarbonate
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(II) View Scheme |
Conditions | Yield |
---|---|
With triethylsilane; trifluoroacetic acid In dichloromethane for 0.166667h; Ambient temperature; | 100% |
With trifluoroacetic acid In dichloromethane for 0.5h; | 92% |
With toluene-4-sulfonic acid; triethylamine In acetone for 1h; Heating; | 19.55 g |
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.166667h; Stage #2: L-valine methylester hydrochloride In N,N-dimethyl-formamide at 20℃; for 18h; Enzymatic reaction; | 99% |
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 86% |
Z-Orn(Boc)-OH
(S)-benzyl 1-amino-5-tert-butoxycarbonylamino-1-oxopentan-2-yl-ylcarbamate
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at -10℃; for 0.333333h; Inert atmosphere; Stage #2: With ammonium hydroxide In tetrahydrofuran; water at 10 - 20℃; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran for 0.166667h; Cooling with ice; Stage #2: benzylamine With 4-methyl-morpholine at 20℃; for 12h; pH=8; Cooling with ice; | 98.7% |
Stage #1: Z-Orn(Boc)-OH With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran for 0.166667h; Cooling with ice; Stage #2: benzylamine With 4-methyl-morpholine at 20℃; for 8h; pH=8; | 98.7% |
Z-Orn(Boc)-OH
N,O-dimethylhydroxylamine*hydrochloride
[4-benzyloxycarbonylamino-4-(methoxy-methyl-carbamoyl)-butyl]-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH; N,O-dimethylhydroxylamine*hydrochloride With 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 0℃; for 0.0833333h; Stage #2: With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 98% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine In N,N-dimethyl-formamide at 0℃; for 3h; | 95% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 98% |
With 2,6-dimethylpyridine; 1-[(1-(cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino)]-uronium hexafluorophosphate In water at 20 - 25℃; | 91% |
Stage #1: Z-Orn(Boc)-OH 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℃; for 0.25h; Inert atmosphere; Stage #2: methyl (L)-leucinate hydrochloride In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 98% |
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: Boc-threo-β-phenyl-Ser-Sta-NH(CH2)2Ph With hydrogenchloride In 1,4-dioxane at 20℃; for 1h; Stage #2: Z-Orn(Boc)-OH With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide for 18h; | 98% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 97% |
Conditions | Yield |
---|---|
96% |
Z-Orn(Boc)-OH
(2,2-dimethoxyethyl)aminoacetic acid tert-butyl ester
Conditions | Yield |
---|---|
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 2h; | 94% |
N-BOC-1,2-diaminoethane
Z-Orn(Boc)-OH
benzyl-{(1S)-4-[(tert-butoxycarbonyl)amino]-1-[({2-[(tert-butoxycarbonyl)amino]ethyl}amino)-carbonyl]butyl}carbamate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In water; N,N-dimethyl-formamide at 0 - 20℃; for 12h; | 94% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; for 12h; | 94% |
Z-Orn(Boc)-OH
β-benzyl-L-aspartic acid amide trifluoroacetate
Z-Orn(Boc)-Asp(OBzl)-NH2
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In tetrahydrofuran 1.) 0 deg C, 30 min, 2.) RT, 4 h; | 90% |
Z-Orn(Boc)-OH
benzyl bromide
Nα-(Benzyloxycarbonyl)-Nδ-(t-butoxycarbonyl)-L-ornithine benzyl ester
Conditions | Yield |
---|---|
With triethylamine In ethyl acetate for 8h; Heating; | 90% |
With triethylamine In N,N-dimethyl-formamide at 20℃; for 24h; | 79% |
With diisopropylamine In acetonitrile at 20℃; for 14h; | 7.89 g |
Z-Orn(Boc)-OH
(R)-3-Amino-hexadecanoic acid methyl ester
(R)-3-((S)-2-Benzyloxycarbonylamino-5-tert-butoxycarbonylamino-pentanoylamino)-hexadecanoic acid methyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 2h; | 90% |
Conditions | Yield |
---|---|
With hydrogenchloride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In chloroform at 0℃; for 2h; | 89% |
diazomethane
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With triethylamine; isobutyl chloroformate In tetrahydrofuran Stage #2: diazomethane In tetrahydrofuran; diethyl ether at 4℃; Stage #3: With hydrogenchloride In tetrahydrofuran; 1,4-dioxane; diethyl ether at -15℃; for 0.25h; | 88.9% |
Conditions | Yield |
---|---|
Stage #1: copper(II) complex of Nδ-tert-butoxycarbonyl-L-ornithine With 8-quinolinol; sodium carbonate In acetone for 1h; Stage #2: benzyl chloroformate With 1-hydroxy-pyrrolidine-2,5-dione In water at -5℃; for 0.5h; | 95% |
Nδ-(tert-butoxycarbonyl)-L-ornithine
benzyl chloroformate
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water at 20℃; for 12h; | 90% |
benzyl-8-quinolyl carbonate
di-tert-butyl dicarbonate
L-ornithine hydrochloride
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Acylation; Multistep reaction; | 82% |
di-tert-butyl dicarbonate
Nα-benzyloxycarbonyl-L-ornithine
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With sodium hydroxide; triethylamine In methanol at 20℃; for 24h; | 36% |
With triethylamine In methanol at 40℃; for 1h; | |
With sodium hydrogencarbonate |
N-(tert-butyloxycarbonyl) azide
Nα-benzyloxycarbonyl-L-ornithine
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With hydroxide | |
With magnesium oxide In 1,4-dioxane; water |
1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate
(2S)-2-{[(benzyloxy)carbonyl]amino}-4-(dimethylamino)butanoic acid
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
With triethylamine In tert-butyl alcohol |
Conditions | Yield |
---|---|
With sodium hydroxide |
N-(Benzyloxycarbonyloxy)succinimide
di-tert-butyl dicarbonate
L-ornithine hydrochloride
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: di-tert-butyl dicarbonate; L-ornithine hydrochloride With sodium hydroxide; copper diacetate In water; acetone for 44h; Stage #2: With 8-quinolinol; sodium carbonate In water; acetone for 1.5h; Stage #3: N-(Benzyloxycarbonyloxy)succinimide In water; acetone at 20℃; for 1.5h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: Na2CO3 / H2O; acetone / 0.5 h / -10 °C 2.1: Cu(CH3COO)2; NaOH / H2O; acetone / 44 h 2.2: 8-quinolinol; Na2CO3 / acetone; H2O / 1.5 h 2.3: H2O; acetone / 1.5 h / 20 °C View Scheme |
N5-((Ξ)-benzyliden)-L-ornithine
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: MgO / dioxane; H2O View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: MgO / dioxane; H2O View Scheme |
di-tert-butyl dicarbonate
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(II) View Scheme |
Conditions | Yield |
---|---|
With triethylsilane; trifluoroacetic acid In dichloromethane for 0.166667h; Ambient temperature; | 100% |
With trifluoroacetic acid In dichloromethane for 0.5h; | 92% |
With toluene-4-sulfonic acid; triethylamine In acetone for 1h; Heating; | 19.55 g |
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.166667h; Stage #2: L-valine methylester hydrochloride In N,N-dimethyl-formamide at 20℃; for 18h; Enzymatic reaction; | 99% |
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 86% |
Z-Orn(Boc)-OH
(S)-benzyl 1-amino-5-tert-butoxycarbonylamino-1-oxopentan-2-yl-ylcarbamate
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at -10℃; for 0.333333h; Inert atmosphere; Stage #2: With ammonium hydroxide In tetrahydrofuran; water at 10 - 20℃; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran for 0.166667h; Cooling with ice; Stage #2: benzylamine With 4-methyl-morpholine at 20℃; for 12h; pH=8; Cooling with ice; | 98.7% |
Stage #1: Z-Orn(Boc)-OH With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran for 0.166667h; Cooling with ice; Stage #2: benzylamine With 4-methyl-morpholine at 20℃; for 8h; pH=8; | 98.7% |
Z-Orn(Boc)-OH
N,O-dimethylhydroxylamine*hydrochloride
[4-benzyloxycarbonylamino-4-(methoxy-methyl-carbamoyl)-butyl]-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH; N,O-dimethylhydroxylamine*hydrochloride With 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 0℃; for 0.0833333h; Stage #2: With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 98% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine In N,N-dimethyl-formamide at 0℃; for 3h; | 95% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 98% |
With 2,6-dimethylpyridine; 1-[(1-(cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino)]-uronium hexafluorophosphate In water at 20 - 25℃; | 91% |
Stage #1: Z-Orn(Boc)-OH 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℃; for 0.25h; Inert atmosphere; Stage #2: methyl (L)-leucinate hydrochloride In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 98% |
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: Boc-threo-β-phenyl-Ser-Sta-NH(CH2)2Ph With hydrogenchloride In 1,4-dioxane at 20℃; for 1h; Stage #2: Z-Orn(Boc)-OH With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide for 18h; | 98% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; | 97% |
Conditions | Yield |
---|---|
96% |
Z-Orn(Boc)-OH
(2,2-dimethoxyethyl)aminoacetic acid tert-butyl ester
Conditions | Yield |
---|---|
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 2h; | 94% |
N-BOC-1,2-diaminoethane
Z-Orn(Boc)-OH
benzyl-{(1S)-4-[(tert-butoxycarbonyl)amino]-1-[({2-[(tert-butoxycarbonyl)amino]ethyl}amino)-carbonyl]butyl}carbamate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In water; N,N-dimethyl-formamide at 0 - 20℃; for 12h; | 94% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; for 12h; | 94% |
Z-Orn(Boc)-OH
β-benzyl-L-aspartic acid amide trifluoroacetate
Z-Orn(Boc)-Asp(OBzl)-NH2
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In tetrahydrofuran 1.) 0 deg C, 30 min, 2.) RT, 4 h; | 90% |
Z-Orn(Boc)-OH
benzyl bromide
Nα-(Benzyloxycarbonyl)-Nδ-(t-butoxycarbonyl)-L-ornithine benzyl ester
Conditions | Yield |
---|---|
With triethylamine In ethyl acetate for 8h; Heating; | 90% |
With triethylamine In N,N-dimethyl-formamide at 20℃; for 24h; | 79% |
With diisopropylamine In acetonitrile at 20℃; for 14h; | 7.89 g |
Z-Orn(Boc)-OH
(R)-3-Amino-hexadecanoic acid methyl ester
(R)-3-((S)-2-Benzyloxycarbonylamino-5-tert-butoxycarbonylamino-pentanoylamino)-hexadecanoic acid methyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 2h; | 90% |
Conditions | Yield |
---|---|
With hydrogenchloride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In chloroform at 0℃; for 2h; | 89% |
diazomethane
Z-Orn(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: Z-Orn(Boc)-OH With triethylamine; isobutyl chloroformate In tetrahydrofuran Stage #2: diazomethane In tetrahydrofuran; diethyl ether at 4℃; Stage #3: With hydrogenchloride In tetrahydrofuran; 1,4-dioxane; diethyl ether at -15℃; for 0.25h; | 88.9% |
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