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Purity:99%
The preparation of mixed-sequence PNAs (...
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ethyl N-((N-4-(benzyloxycarbonyl)cytosin-1-yl)acetyl)-N-(2-Boc-aminoethyl)glycinate
N-((N-4-(benzyloxycarbonyl)cytosin-1-yl)acetyl)-N-(2-Boc-aminoethyl)glycine
| Conditions | Yield |
|---|---|
|
With
lithium hydroxide;
In
tetrahydrofuran;
at 0 ℃;
for 0.25h;
|
69% |
|
With
lithium hydroxide;
In
tetrahydrofuran; water;
at 0 ℃;
|
N-benzyloxycarbonyl cytosine
N-((N-4-(benzyloxycarbonyl)cytosin-1-yl)acetyl)-N-(2-Boc-aminoethyl)glycine
| Conditions | Yield |
|---|---|
|
Multi-step reaction with 4 steps
1: K2CO3 / dimethylformamide
2: aq. NaOH / 0.5 h
3: 3,4-dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine, DCC / dimethylformamide; CH2Cl2 / 1.) 0 deg C, 2 h, 2.) r.t., 1 h
4: 69 percent / 1 M aq. LiOH / tetrahydrofuran / 0.25 h / 0 °C
With
lithium hydroxide; sodium hydroxide; potassium carbonate; 3-hydroxy-3,4-dihydrobenzotriazine-4-one; dicyclohexyl-carbodiimide;
In
tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
|
|
|
Multi-step reaction with 4 steps
1: K2CO3 / dimethylformamide / Ambient temperature
2: aq. NaOH
3: DCC, DhbtOH / dimethylformamide; CH2Cl2 / 0 °C
4: LiOH / tetrahydrofuran; H2O / 0 °C
With
lithium hydroxide; sodium hydroxide; potassium carbonate; dicyclohexyl-carbodiimide;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide;
|
ethyl N-((N-4-(benzyloxycarbonyl)cytosin-1-yl)acetyl)-N-(2-Boc-aminoethyl)glycinate
benzyl chloroformate
N-benzyloxycarbonyl cytosine
[N4-[(benzyloxy)carbonyl]cytosine-1-yl]acetic acid
(2-{2-[[(4-benzyloxycarbonylamino-2-oxo-2H-pyrimidin-1-yl)-acetyl]-(2-tert-butoxycarbonylamino-ethyl)-amino]-acetylamino}-ethylamino)-acetic acid methyl ester
{(2-amino-ethyl)-[(4-benzyloxycarbonylamino-2-oxo-2H-pyrimidin-1-yl)-acetyl]-amino}-acetic acid
(E)-17-[N-(2-(tert-Butyloxycarbonylamino)ethyl)]-N-[N4-(benzyloxycarbonyl)cytosine-1-ylacetyl]glycinyloxy-4,7,10,13-tetraoxa-15-heptadecenoic acic
{[2-(2-{(2-amino-ethyl)-[(4-benzyloxycarbonylamino-2-oxo-2H-pyrimidin-1-yl)-acetyl]-amino}-acetylamino)-ethyl]-[(4-benzyloxycarbonylamino-2-oxo-2H-pyrimidin-1-yl)-acetyl]-amino}-acetic acid methyl ester
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