Technology Process of 1,4-dibenzyloxy-2,3-dimethoxy-5-methyl-6-(3',7',11',15',19',23',27',31',35'-nonamethylhexatriaconta-2'E,6'E,10'E,14'E,18'E,22'E,26'E,30'E,34'-nonaenyl)benzene
There total 1 articles about 1,4-dibenzyloxy-2,3-dimethoxy-5-methyl-6-(3',7',11',15',19',23',27',31',35'-nonamethylhexatriaconta-2'E,6'E,10'E,14'E,18'E,22'E,26'E,30'E,34'-nonaenyl)benzene which
guide to synthetic route it.
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synthetic route:
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114832-93-8
1,4-dibenzyloxy-2,3-dimethoxy-5-methyl-6-(3',7',11',15',19',23',27',31',35'-nonamethylhexatriaconta-2'E,6'E,10'E,14'E,18'E,22'E,26'E,30'E,34'-nonaenyl)benzene
- Guidance literature:
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With
sodium tetrahydroborate; sodium hydride;
Yield given. Multistep reaction;
1.) EtOH, ether, 25 deg C, 30 min, 2.) DMF, 25 deg C, 3 h;
DOI:10.1007/BF00958351
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114832-93-8
1,4-dibenzyloxy-2,3-dimethoxy-5-methyl-6-(3',7',11',15',19',23',27',31',35'-nonamethylhexatriaconta-2'E,6'E,10'E,14'E,18'E,22'E,26'E,30'E,34'-nonaenyl)benzene
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114832-94-9
1,4-dibenzyloxy-2,3-dimethoxy-5-methyl-6-(34'-bromo-35'-hydroxy-3',7',11',15',19',23',27',31',35'-nonamethylhexatriaconta-2'E,6'E,10'E,14'E,18'E,22'E,26'E,30'E-octaenyl)benzene
- Guidance literature:
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With
N-Bromosuccinimide; water;
In
tetrahydrofuran;
at 0 - 25 ℃;
for 3h;
DOI:10.1007/BF00958351
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114832-93-8
1,4-dibenzyloxy-2,3-dimethoxy-5-methyl-6-(3',7',11',15',19',23',27',31',35'-nonamethylhexatriaconta-2'E,6'E,10'E,14'E,18'E,22'E,26'E,30'E,34'-nonaenyl)benzene
- Guidance literature:
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Multi-step reaction with 6 steps
1: 75 percent / N-bromosuccinimide, H2O / tetrahydrofuran / 3 h / 0 - 25 °C
2: 93 percent / K2CO3 / methanol; diethyl ether / 2 h / 25 °C
3: 88 percent / 37percent HClO4 / tetrahydrofuran; H2O / 2 h / 25 °C
4: 74 percent / NaIO4, conc. H2SO4 / tetrahydrofuran; H2O / 0.5 h / 25 °C
5: 51 percent / tetrahydrofuran; hexane / 0.5 h / -45 °C
6: 1.) Li, EtNH2, 2.) air / 1.) THF, 2.) 25 deg C, 40 min
With
sodium periodate; N-Bromosuccinimide; perchloric acid; air; sulfuric acid; water; lithium; potassium carbonate; ethylamine;
In
tetrahydrofuran; methanol; diethyl ether; hexane; water;
DOI:10.1007/BF00958351