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N-methyl-p-aminophenol
(R)-N2-[(4-amino-3,5-dichlorophenyl)sulphonyl]-N5-[amino(nitroimino)methyl]-ornithine
N-ethyl-N,N-diisopropylamine
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
Conditions | Yield |
---|---|
58% |
(R)-N5-[amino(nitroimino)methyl]-N2-[(2-naphthyl)carbonyl]-ornithine
2-naphthaloyl chloride
A
(R)-N5-[Amino(nitroimino)methyl]-N-[(4-hydroxyphenyl)-methyl]-N2-(2-naphthoyl)-ornithinamide
B
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
Conditions | Yield |
---|---|
A n/a B 36% |
diphenylacetic acid chloride
A
(R,S)-N5-(Aminocarbonyl)-N2-(diphenylacetyl)-N-[(4-hydroxyphenyl)methyl]-ornithinamide
B
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
Conditions | Yield |
---|---|
A n/a B 34% |
N,N,N',N'-tetramethylchlorformamidinium chloride
1-Hydroxy-1,2,3-benzotriazole potassium salt
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
Conditions | Yield |
---|---|
With potassium chloride; potassium tetrafluoroborate |
tetramethylurea
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: oxalyl chloride 2: KBF4,KCl View Scheme |
succinic acid anhydride
B
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
Conditions | Yield |
---|---|
With dmap; benzotriazol-1-ol In ethyl acetate; N,N-dimethyl-formamide |
pyrrolidine
4-bromo-2-methylbenzoic acid
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
N-ethyl-N,N-diisopropylamine
(4-bromo-2-methylphenyl)(pyrrolidin-1-yl)methanone
Conditions | Yield |
---|---|
In tetrahydrofuran; water | 98% |
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
1-t-Butoxycarbonylpiperazine
Conditions | Yield |
---|---|
With triethylamine In water; ethyl acetate; N,N-dimethyl-formamide | 97% |
diisopropylethyl amine
N-ethyl-N-[1-oxo-4-[1-[(phenylmethoxy)carbonyl]-4-piperidinyl]butyl]glycine
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N-methyl-acetamide; N,N-dimethyl-formamide | 95% |
Oleanolic acid
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate
1-benzotriazolyl 3β-hydroxyolean-12-en-28-oate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 12h; | 95% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; | 93% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 5h; Inert atmosphere; | 93% |
IUPAC Name of TBTU (125700-67-6): [benzotriazol-1-yloxy(dimethylamino)methylidene]-dimethylazanium; boron(3+); tetrafluoride
Synonyms:O-Benzotriazol-1-yl-N,N,N',N'-tetramethyluronium tetrafluoroborate; 2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
Molecular Formula: C11H16N5O.BF4
Molecular Weight : 321.08 g/mol
EINECS: 423-040-4
storage temp.: 2-8 °C
Melting point: 200 °C
solubility:acetonitrile: 0.1 g/mL, clear
Appearance: white or off-white crystalline powder
Following is the molecular structure of TBTU (125700-67-6):
Safty informations about TBTU (125700-67-6):
Hazard Symbols:Xi,F
Risk Codes :
R36/37/38:Irritating to eyes, respiratory system and skin.
R5 :Heating may cause an explosion.
Safety Description :
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S37/39: Wear suitable gloves and eye/face protection.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
F: 8-10-21
Hazard Note: Irritant/Flammable