Technology Process of (2S,3R,4R,5R,6R,7S,8R)-3-(benzyloxymethoxy)-7,8-di(tert-butyldimethylsiloxy)-4,5-(cyclohexylidenedioxy)-2,4,6-trimethylnonanoic acid
There total 17 articles about (2S,3R,4R,5R,6R,7S,8R)-3-(benzyloxymethoxy)-7,8-di(tert-butyldimethylsiloxy)-4,5-(cyclohexylidenedioxy)-2,4,6-trimethylnonanoic acid which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
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916321-44-3
(2S,3R,4R,5R,6R,7S,8R)-3-(benzyloxymethoxy)-7,8-di(tert-butyldimethylsiloxy)-4,5-(cyclohexylidenedioxy)-2,4,6-trimethylnonanal
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916321-17-0
(2S,3R,4R,5R,6R,7S,8R)-3-(benzyloxymethoxy)-7,8-di(tert-butyldimethylsiloxy)-4,5-(cyclohexylidenedioxy)-2,4,6-trimethylnonanoic acid
- Guidance literature:
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With
sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene;
In
water; tert-butyl alcohol;
at 20 ℃;
for 2h;
DOI:10.1021/ol062058+
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916321-17-0
(2S,3R,4R,5R,6R,7S,8R)-3-(benzyloxymethoxy)-7,8-di(tert-butyldimethylsiloxy)-4,5-(cyclohexylidenedioxy)-2,4,6-trimethylnonanoic acid
- Guidance literature:
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Multi-step reaction with 14 steps
1.1: 95 percent / 2,6-lutidine / CH2Cl2 / 2 h / 0 °C
2.1: 100 percent / Et3SiH / Pd/C / acetone / 1.5 h / 0 °C
3.1: 95 percent / toluene / 6.5 h / 100 °C
4.1: 92 percent / L-Selectride(R) / tetrahydrofuran / 5 h / 20 °C
5.1: 100 percent / NMO; TPAP / CH2Cl2 / 2 h / 0 °C
6.1: 49.9 percent / tetrahydrofuran / 3 h / -78 °C
7.1: 96 percent / iPr2NEt / CH2Cl2 / 11 h / 60 °C
8.1: 92 percent / Red-Al(R) / toluene / 2 h / 0 °C
9.1: 93 percent / DMAP; pyridine / 1 h / 0 °C
10.1: OsO4 / pyridine / 48 h / 0 °C
10.2: 30 percent / H2S / tetrahydrofuran; hexane
11.1: 97 percent / CSA / CH2Cl2 / 8 h / 20 °C
12.1: 90 percent / K2CO3 / methanol / 12 h / 20 °C
13.1: 99 percent / NMO; TPAP / CH2Cl2 / 1 h / 0 °C
14.1: 92 percent / 2-methyl-2-butene; NaH2PO4; NaClO2 / 2-methyl-propan-2-ol; H2O / 2 h / 20 °C
With
pyridine; 2,6-dimethylpyridine; triethylsilane; dmap; sodium chlorite; sodium dihydrogenphosphate; osmium(VIII) oxide; N-methyl-2-indolinone; tetrapropylammonium perruthennate; 2-methyl-but-2-ene; camphor-10-sulfonic acid; L-Selectride; potassium carbonate; N-ethyl-N,N-diisopropylamine; sodium bis(2-methoxyethoxy)aluminium dihydride;
palladium on activated charcoal;
In
tetrahydrofuran; pyridine; methanol; dichloromethane; water; acetone; toluene; tert-butyl alcohol;
3.1: Wittig reaction;
DOI:10.1021/ol062058+
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916321-17-0
(2S,3R,4R,5R,6R,7S,8R)-3-(benzyloxymethoxy)-7,8-di(tert-butyldimethylsiloxy)-4,5-(cyclohexylidenedioxy)-2,4,6-trimethylnonanoic acid
- Guidance literature:
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Multi-step reaction with 13 steps
1.1: 100 percent / Et3SiH / Pd/C / acetone / 1.5 h / 0 °C
2.1: 95 percent / toluene / 6.5 h / 100 °C
3.1: 92 percent / L-Selectride(R) / tetrahydrofuran / 5 h / 20 °C
4.1: 100 percent / NMO; TPAP / CH2Cl2 / 2 h / 0 °C
5.1: 49.9 percent / tetrahydrofuran / 3 h / -78 °C
6.1: 96 percent / iPr2NEt / CH2Cl2 / 11 h / 60 °C
7.1: 92 percent / Red-Al(R) / toluene / 2 h / 0 °C
8.1: 93 percent / DMAP; pyridine / 1 h / 0 °C
9.1: OsO4 / pyridine / 48 h / 0 °C
9.2: 30 percent / H2S / tetrahydrofuran; hexane
10.1: 97 percent / CSA / CH2Cl2 / 8 h / 20 °C
11.1: 90 percent / K2CO3 / methanol / 12 h / 20 °C
12.1: 99 percent / NMO; TPAP / CH2Cl2 / 1 h / 0 °C
13.1: 92 percent / 2-methyl-2-butene; NaH2PO4; NaClO2 / 2-methyl-propan-2-ol; H2O / 2 h / 20 °C
With
pyridine; triethylsilane; dmap; sodium chlorite; sodium dihydrogenphosphate; osmium(VIII) oxide; N-methyl-2-indolinone; tetrapropylammonium perruthennate; 2-methyl-but-2-ene; camphor-10-sulfonic acid; L-Selectride; potassium carbonate; N-ethyl-N,N-diisopropylamine; sodium bis(2-methoxyethoxy)aluminium dihydride;
palladium on activated charcoal;
In
tetrahydrofuran; pyridine; methanol; dichloromethane; water; acetone; toluene; tert-butyl alcohol;
2.1: Wittig reaction;
DOI:10.1021/ol062058+