p-Nitrophenyl 2-Acetamido-2-deoxy-(6-O-2-acetamido-2-deoxy-b-D- glucopyranosyl)-a-D-galactopyranoside synthesis
- Product Name:p-Nitrophenyl 2-Acetamido-2-deoxy-(6-O-2-acetamido-2-deoxy-b-D- glucopyranosyl)-a-D-galactopyranoside
- CAS Number:235752-73-5
- Molecular formula:C22H31N3O13
- Molecular Weight:545.49
![4H-Pyrano[3,4-d]oxazol-2(3H)-one, 4-(ethylthio)tetrahydro-7-hydroxy-6-(hydroxymethyl)-, (3aR,4S,6R,7S,7aR)-](/CAS/20210305/GIF/501088-85-3.gif)
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235752-73-5
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![α-D-Galactopyranoside, 4-nitrophenyl 2-(acetylamino)-2-deoxy-6-O-[2-deoxy-2-[(methoxycarbonyl)amino]-β-D-glucopyranosyl]-](/CAS/20210305/GIF/1361957-07-4.gif)
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Yield:-
Steps:
Multi-step reaction with 5 steps
1.1: pyridine / 1 h / 0 °C / Cooling with ice
2.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 1.5 h / 0 °C / Cooling with ice
3.1: 2,6-di-tert-butyl-4-methylpyridine / dichloromethane / 0.33 h / 20 °C / Inert atmosphere; Molecular sieve
3.2: 1 h / 0 - 20 °C / Inert atmosphere; Molecular sieve
4.1: pyridine / 20 °C
5.1: methanol; dichloromethane / 0.5 h
5.2: Dowex H+
References:
Hollinger, Martin;Abraha, Fana;Oscarson, Stefan [Carbohydrate Research,2011,vol. 346,# 12,p. 1454 - 1466]
1147438-51-4
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100-02-7
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![α-D-Galactopyranoside, 4-nitrophenyl 2-azido-2-deoxy-4,6-O-[(S)-(4-methoxyphenyl)methylene]-, 3-benzoate](/CAS/20211123/GIF/1316823-00-3.gif)
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235752-73-5
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