Technology Process of Benzoic acid (2S,3S,4S,5R,6R)-6-azidomethyl-4-benzyloxy-5-methoxy-2-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-octyloxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester
There total 9 articles about Benzoic acid (2S,3S,4S,5R,6R)-6-azidomethyl-4-benzyloxy-5-methoxy-2-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-octyloxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester which
guide to synthetic route it.
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synthetic route:
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187173-17-7
Benzoic acid (2S,3S,4S,5R,6R)-6-azidomethyl-4-benzyloxy-5-methoxy-2-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-octyloxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester
- Guidance literature:
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With
N-iodo-succinimide; silver trifluoromethanesulfonate;
In
dichloromethane;
for 20h;
Ambient temperature;
DOI:10.1016/S0968-0896(96)00180-0
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125631-33-6,125647-51-0,132871-89-7,132871-95-5,132871-96-6,123487-65-0
(2R,3S,4S,5S,6S)-2-(hydroxymethyl)-6-(pent-4-en-1-yloxy)tetrahydro-2H-pyran-3,4,5-triol
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187173-17-7
Benzoic acid (2S,3S,4S,5R,6R)-6-azidomethyl-4-benzyloxy-5-methoxy-2-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-octyloxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester
- Guidance literature:
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Multi-step reaction with 9 steps
1: 46 percent / PPTS / dimethylformamide / 24 h
2: 1.) Bu2SnO / 1.) MeOH, reflux, 3 h, 2.) DMF, 100 deg C, 20 min
3: 81 percent / pyridine / Ambient temperature
4: 85 percent / NaBH3CN, mol. sieves 3A, TFA / dimethylformamide / 48 h / 0 - 20 °C
5: 90 percent / NaH / dimethylformamide / 3 h / -15 °C
6: 87 percent / DDQ / CH2Cl2; H2O / 5 h / Ambient temperature
7: 100 percent / pyridine / 7 h / Ambient temperature
8: 90 percent / NaN3 / dimethylformamide / 32 h / 20 - 40 °C
9: 48 percent / NIS, AgOTf / CH2Cl2 / 20 h / Ambient temperature
With
pyridine; N-iodo-succinimide; sodium azide; 3 A molecular sieve; silver trifluoromethanesulfonate; pyridinium p-toluenesulfonate; sodium hydride; di(n-butyl)tin oxide; sodium cyanoborohydride; trifluoroacetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0968-0896(96)00180-0
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187173-17-7
Benzoic acid (2S,3S,4S,5R,6R)-6-azidomethyl-4-benzyloxy-5-methoxy-2-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-octyloxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 1.) Bu2SnO / 1.) MeOH, reflux, 3 h, 2.) DMF, 100 deg C, 20 min
2: 81 percent / pyridine / Ambient temperature
3: 85 percent / NaBH3CN, mol. sieves 3A, TFA / dimethylformamide / 48 h / 0 - 20 °C
4: 90 percent / NaH / dimethylformamide / 3 h / -15 °C
5: 87 percent / DDQ / CH2Cl2; H2O / 5 h / Ambient temperature
6: 100 percent / pyridine / 7 h / Ambient temperature
7: 90 percent / NaN3 / dimethylformamide / 32 h / 20 - 40 °C
8: 48 percent / NIS, AgOTf / CH2Cl2 / 20 h / Ambient temperature
With
pyridine; N-iodo-succinimide; sodium azide; 3 A molecular sieve; silver trifluoromethanesulfonate; sodium hydride; di(n-butyl)tin oxide; sodium cyanoborohydride; trifluoroacetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0968-0896(96)00180-0