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N2-(benzyloxycarbonyl)-L-glutamic acid 1-(benzyl ester) 5-(2-<4-(hydroxymethyl)phenyl>hydrazide)
β-N-(γ-L(+)-glutamyl)-4-(hydroxymethyl)phenylhydrazine
Conditions | Yield |
---|---|
With hydrogen; Pd/C poisoned with quinoline-sulfur In methanol; water for 0.583333h; | 82% |
With hydrogen; palladium on activated charcoal |
N2-(benzyloxycarbonyl)-L-glutamic acid 1-(benzyl ester) 5-(2-<4-(hydroxymethyl)phenyl>hydrazide)
A
β-N-(γ-L(+)-glutamyl)-4-(hydroxymethyl)phenylhydrazine
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol; water for 0.583333h; Product distribution; other catalyst (poisoned with quinoline-sulfur); |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) DCC / 1.) CH2Cl2, -10 deg C, 4 h; 2.) CH2Cl2, -10 deg C, 1.5 h, -10 deg C --> room temp., 1.5 h 2: 82 percent / hydrogen / 10percent Pd/C poisoned with quinoline-sulfur / methanol; H2O / 0.58 h View Scheme | |
Multi-step reaction with 3 steps 1: (i) Et3N, ClCO2Et, (ii) /BRN= 387378/, Et3N 2: BH3 / tetrahydrofuran 3: H2 / Pd-C View Scheme |
(p-hydroxymethylphenyl)hydrazine
β-N-(γ-L(+)-glutamyl)-4-(hydroxymethyl)phenylhydrazine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) DCC / 1.) CH2Cl2, -10 deg C, 4 h; 2.) CH2Cl2, -10 deg C, 1.5 h, -10 deg C --> room temp., 1.5 h 2: 82 percent / hydrogen / 10percent Pd/C poisoned with quinoline-sulfur / methanol; H2O / 0.58 h View Scheme |
methyl 4-hydrazinobenzoate
β-N-(γ-L(+)-glutamyl)-4-(hydroxymethyl)phenylhydrazine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 58 percent / DIBAH / toluene / 0.5 h / -70 °C 2: 1.) DCC / 1.) CH2Cl2, -10 deg C, 4 h; 2.) CH2Cl2, -10 deg C, 1.5 h, -10 deg C --> room temp., 1.5 h 3: 82 percent / hydrogen / 10percent Pd/C poisoned with quinoline-sulfur / methanol; H2O / 0.58 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: (i) Et3N, ClCO2Et, (ii) /BRN= 387378/, Et3N 2: BH3 / tetrahydrofuran 3: H2 / Pd-C View Scheme |
4-[N'-((S)-4-Benzyloxycarbonyl-4-benzyloxycarbonylamino-butyryl)-hydrazino]-benzoic acid
β-N-(γ-L(+)-glutamyl)-4-(hydroxymethyl)phenylhydrazine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: BH3 / tetrahydrofuran 2: H2 / Pd-C View Scheme |
β-N-(γ-L(+)-glutamyl)-4-(hydroxymethyl)phenylhydrazine
4-t-butyl-1,2-benzoquinone
Conditions | Yield |
---|---|
With sodium phosphate buffer; tyrosinase Mechanism; pH 6.8 disappearance; |
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