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di-tert-butyl dicarbonate
Nα-(9-fluorenylmethoxycarbonyl)-L-2,4-diaminobutyric acid
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
Conditions | Yield |
---|---|
With sodium hydroxide In water; acetone at 0 - 10℃; for 4h; pH=7.5 - 8; pH-value; | 86.62% |
With triethylamine In water; dimethyl sulfoxide | 74.2% |
With sodium hydrogencarbonate In water; acetonitrile for 6h; Yield given; |
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
Conditions | Yield |
---|---|
With lithium hydroxide In tetrahydrofuran at 20℃; | 73% |
9H-9-fluorenylmethyl (4S)-4-(3-azido-2-oxopropyl)-5-oxo-1,3-oxazolone-3-carboxylate
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 88 percent / toluene / 0.25 h / microwave irradiation 2: 73 percent / LiOH / tetrahydrofuran / 20 °C View Scheme |
Nα-Fmoc-Glu-5-oxazolidinone
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 94 percent / N-methylmorpholine; IBC-Cl; NaN3 / tetrahydrofuran / 0.5 h / -10 °C 2: 88 percent / toluene / 0.25 h / microwave irradiation 3: 73 percent / LiOH / tetrahydrofuran / 20 °C View Scheme |
N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-glutamine
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 88.9 percent / I,I-bis(trifluoroacetoxy)iodobenzene; H2O / dimethylsulfoxide / 20 h 2: 74.2 percent / triethylamine / H2O; dimethylsulfoxide View Scheme |
N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-glutamine
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine; bis-[(trifluoroacetoxy)iodo]benzene / 1.) CH3CN, H2O, 60 deg C, 2.) CH3CN, H2O, 60 deg C, 5 h 2: sodium hydrogencarbonate / water; acetonitrile / 6 h View Scheme |
diazomethane
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
Fmoc-L-Dbu(Boc)-OCH3
Conditions | Yield |
---|---|
In diethyl ether for 0.166667h; Methylation; | 100% |
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
benzylamine
(9H-fluoren-9-yl)methyl tert-butyl (4-(benzylamino)-4-oxobutane-1,3-diyl)(S)-dicarbamate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; diisopropyl-carbodiimide In DMF (N,N-dimethyl-formamide); dichloromethane at 35℃; | 100% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 2h; Inert atmosphere; | 98% |
Stage #1: (S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid With benzotriazol-1-ol; diisopropyl-carbodiimide In dichloromethane; N,N-dimethyl-formamide for 0.0833333h; Stage #2: benzylamine In dichloromethane; N,N-dimethyl-formamide at 35℃; | 98% |
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In acetonitrile at 20℃; for 3h; | 14.4 g |
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In acetonitrile at 20℃; for 2.5h; |
(S)-2-amino-3-phenylpropionamide hydrochloride
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
(1'S, 2S)-4-(N-Boc-amino)-N'-(1'-carbamoyl-2'-phenylethyl)-2-(N''-Fmoc-amino)butanamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine; diisopropyl-carbodiimide In DMF (N,N-dimethyl-formamide); dichloromethane | 100% |
With benzotriazol-1-ol; triethylamine; diisopropyl-carbodiimide In dichloromethane; N,N-dimethyl-formamide for 16h; |
(S)-4-tert-butoxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid
2-(3-chlorophenyl)ethylamine
4-(N-Boc-amino)-N'-2-(3-chlorophenyl)ethyl-(S)-2-(N''-Fmoc-amino)butanamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; diisopropyl-carbodiimide In DMF (N,N-dimethyl-formamide); dichloromethane at 35℃; | 100% |
Product Name: N-Fmoc-N'-Boc-L-2,4-diaminobutyric acid
Molecular Structure:
Molecular Formula: C24H28N2O6
Molecular Weight: 440.4889
Synonyms of N-Fmoc-N'-Boc-L-2,4-diaminobutyric acid (CAS NO.125238-99-5): Rarechem em wb 0101 ; N-2-(9-fluorenylmethoxycarbonyl)-n-4-t-butoxycarbonyl-l-2,4-diaminobutyric acid ; Nalpha-fmoc-ngamma-boc-l-2,4-diaminobutyric acid ; N-Alpha-fmoc-n-gamma-boc-l-diaminobutyric acid ; N-Alpha-fmoc-n-gamma-t-boc-l-alpha,gamma-diaminobutyric acid ; N-Alpha-fmoc-n-gamma-t-boc-l-diaminobutanoic acid ; N-Alpha-fmoc-n-gamma-t-butyloxycarbonyl-(s)-2,4-diaminobutyric acid ; N-Alpha-(9-fluorenylmethyloxycarbonyl)-n-gamma-t-butyloxycarbonyl-l-2,4-diaminobutyric acid
CAS NO: 125238-99-5
Classification Code: Unusual amino acids ; Amino Acids ; amino acid
Index of Refraction: 1.575
Molar Refractivity: 117.04 cm3
Molar Volume: 354.1 cm3
Surface Tension: 51.4 dyne/cm
Density: 1.243 g/cm3
Flash Point: 359.6 °C
Enthalpy of Vaporization: 103.56 kJ/mol
Boiling Point: 670.9 °C at 760 mmHg
Vapour Pressure of N-Fmoc-N'-Boc-L-2,4-diaminobutyric acid (CAS NO.125238-99-5): 6.47E-19 mmHg at 25°C
Hazard Codes of N-Fmoc-N'-Boc-L-2,4-diaminobutyric acid (CAS NO.125238-99-5): Xi
WGK Germany: 3
F: 10
HazardClass: IRRITANT