Technology Process of N-[(2S,3R,4R,5S,6R)-2-((2R,3S,4S,5R,6R)-3,5-Bis-benzyloxy-2-benzyloxymethyl-6-ethoxy-tetrahydro-pyran-4-yloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yl]-acetamide
There total 8 articles about N-[(2S,3R,4R,5S,6R)-2-((2R,3S,4S,5R,6R)-3,5-Bis-benzyloxy-2-benzyloxymethyl-6-ethoxy-tetrahydro-pyran-4-yloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yl]-acetamide which
guide to synthetic route it.
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synthetic route:
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183051-88-9
N-[(2S,3R,4R,5S,6R)-2-((2R,3S,4S,5R,6R)-3,5-Bis-benzyloxy-2-benzyloxymethyl-6-ethoxy-tetrahydro-pyran-4-yloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yl]-acetamide
- Guidance literature:
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Multi-step reaction with 4 steps
1: 1.) Ag2CO3, AgClO4, 4A molecular sieves, 2.) 4A molecular sieves / 1.) CH2Cl2, RT, 18 h, 2.) CH2Cl2, RT, 24 h
2: CH3ONa, CH3OH / 0.67 h / Ambient temperature
3: H2N-NH2*H2O / ethanol; H2O / 1 h / Heating
4: methanol / 0.5 h / Ambient temperature
With
methanol; 4 A molecular sieve; sodium methylate; silver perchlorate; hydrazine hydrate; silver carbonate;
In
methanol; ethanol; water;
DOI:10.1016/0968-0896(96)00105-8
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183051-88-9
N-[(2S,3R,4R,5S,6R)-2-((2R,3S,4S,5R,6R)-3,5-Bis-benzyloxy-2-benzyloxymethyl-6-ethoxy-tetrahydro-pyran-4-yloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yl]-acetamide
- Guidance literature:
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Multi-step reaction with 7 steps
1: 1.) Bu2SnO, 2.) tetrabutylammonium bromide, 4A molecular sieves / 1.) CH3OH, 70 deg C, 6 h, 2.) benzene, 80 deg C, 1.5 h
2: 1.) NaH / 1.) DMF, 0 deg C, 30 min, 2.) DMF, RT, 1 h
3: 94 percent / aq. Ce(NH4)2(NO3)6 / acetonitrile / 2 h / Ambient temperature
4: 1.) Ag2CO3, AgClO4, 4A molecular sieves, 2.) 4A molecular sieves / 1.) CH2Cl2, RT, 18 h, 2.) CH2Cl2, RT, 24 h
5: CH3ONa, CH3OH / 0.67 h / Ambient temperature
6: H2N-NH2*H2O / ethanol; H2O / 1 h / Heating
7: methanol / 0.5 h / Ambient temperature
With
methanol; ammonium cerium(IV) nitrate; 4 A molecular sieve; tetrabutylammomium bromide; sodium methylate; silver perchlorate; sodium hydride; di(n-butyl)tin oxide; hydrazine hydrate; silver carbonate;
In
methanol; ethanol; water; acetonitrile;
DOI:10.1016/0968-0896(96)00105-8
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183051-88-9
N-[(2S,3R,4R,5S,6R)-2-((2R,3S,4S,5R,6R)-3,5-Bis-benzyloxy-2-benzyloxymethyl-6-ethoxy-tetrahydro-pyran-4-yloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yl]-acetamide
- Guidance literature:
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Multi-step reaction with 6 steps
1: 1.) NaH / 1.) DMF, 0 deg C, 30 min, 2.) DMF, RT, 1 h
2: 94 percent / aq. Ce(NH4)2(NO3)6 / acetonitrile / 2 h / Ambient temperature
3: 1.) Ag2CO3, AgClO4, 4A molecular sieves, 2.) 4A molecular sieves / 1.) CH2Cl2, RT, 18 h, 2.) CH2Cl2, RT, 24 h
4: CH3ONa, CH3OH / 0.67 h / Ambient temperature
5: H2N-NH2*H2O / ethanol; H2O / 1 h / Heating
6: methanol / 0.5 h / Ambient temperature
With
methanol; ammonium cerium(IV) nitrate; 4 A molecular sieve; sodium methylate; silver perchlorate; sodium hydride; hydrazine hydrate; silver carbonate;
In
methanol; ethanol; water; acetonitrile;
DOI:10.1016/0968-0896(96)00105-8