Technology Process of (E)-4-((2S,4aS,6S,7R,8aS,9aR,10aR)-6,10a-Dimethyl-2-phenyl-6-trimethylsilanyloxy-octahydro-1,3,8,10-tetraoxa-anthracen-7-yl)-2-methyl-but-2-en-1-ol
There total 15 articles about (E)-4-((2S,4aS,6S,7R,8aS,9aR,10aR)-6,10a-Dimethyl-2-phenyl-6-trimethylsilanyloxy-octahydro-1,3,8,10-tetraoxa-anthracen-7-yl)-2-methyl-but-2-en-1-ol which
guide to synthetic route it.
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synthetic route:
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361535-01-5
(E)-4-((2S,4aS,6S,7R,8aS,9aR,10aR)-6,10a-Dimethyl-2-phenyl-6-trimethylsilanyloxy-octahydro-1,3,8,10-tetraoxa-anthracen-7-yl)-2-methyl-but-2-enoic acid ethyl ester
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361534-81-8
(E)-4-((2S,4aS,6S,7R,8aS,9aR,10aR)-6,10a-Dimethyl-2-phenyl-6-trimethylsilanyloxy-octahydro-1,3,8,10-tetraoxa-anthracen-7-yl)-2-methyl-but-2-en-1-ol
- Guidance literature:
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With
diisobutylaluminium hydride;
In
hexane; toluene;
at -78 ℃;
for 0.166667h;
DOI:10.1021/ol016355k
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361534-81-8
(E)-4-((2S,4aS,6S,7R,8aS,9aR,10aR)-6,10a-Dimethyl-2-phenyl-6-trimethylsilanyloxy-octahydro-1,3,8,10-tetraoxa-anthracen-7-yl)-2-methyl-but-2-en-1-ol
- Guidance literature:
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Multi-step reaction with 13 steps
1.1: 2,6-lutidine / CH2Cl2 / 1 h / -78 °C
2.1: CH2Cl2 / 3 h / -78 - 0 °C
3.1: 1.33 g / molecular sieves 4 A / dimethylsulfoxide / 0.67 h / 80 °C
4.1: 87 percent / DIBAH / CH2Cl2; hexane / 1 h / -78 °C
5.1: 89 percent / tetrahydrofuran / 1 h / 0 - 20 °C
6.1: N-methylmorpholine N-oxide; molecular sieves 4 A / CH2Cl2 / 0.75 h / 20 °C
6.2: 93 percent / tetrapropylammonium perruthenate / CH2Cl2 / 1.5 h / 20 °C
7.1: 487 mg / n-Bu4NF*xH2O / tetrahydrofuran / 2.5 h / 20 °C
8.1: 544 mg / N-methylmorpholine / CH2Cl2 / 6 h / 20 °C
9.1: 99 percent / SmI2 / methanol; tetrahydrofuran / 0.08 h / 0 °C
10.1: 97 percent / 2,6-lutidine / CH2Cl2 / 0.25 h / 0 °C
11.1: 513 mg / DIBAH / toluene; hexane / 0.25 h / -78 °C
12.1: 565 mg / toluene / 100 °C
13.1: 480 mg / DIBAH / toluene; hexane / 0.17 h / -78 °C
With
4-methyl-morpholine; 2,6-dimethylpyridine; samarium diiodide; 4 A molecular sieve; tetrabutyl ammonium fluoride; diisobutylaluminium hydride; 4-methylmorpholine N-oxide;
In
tetrahydrofuran; methanol; hexane; dichloromethane; dimethyl sulfoxide; toluene;
5.1: Grignard reaction / 8.1: hetero-Michael reaction / 12.1: Wittig reaction;
DOI:10.1021/ol016355k
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361534-81-8
(E)-4-((2S,4aS,6S,7R,8aS,9aR,10aR)-6,10a-Dimethyl-2-phenyl-6-trimethylsilanyloxy-octahydro-1,3,8,10-tetraoxa-anthracen-7-yl)-2-methyl-but-2-en-1-ol
- Guidance literature:
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Multi-step reaction with 14 steps
1.1: 100 percent / PPTS / CH2Cl2 / 20 °C
2.1: 2,6-lutidine / CH2Cl2 / 1 h / -78 °C
3.1: CH2Cl2 / 3 h / -78 - 0 °C
4.1: 1.33 g / molecular sieves 4 A / dimethylsulfoxide / 0.67 h / 80 °C
5.1: 87 percent / DIBAH / CH2Cl2; hexane / 1 h / -78 °C
6.1: 89 percent / tetrahydrofuran / 1 h / 0 - 20 °C
7.1: N-methylmorpholine N-oxide; molecular sieves 4 A / CH2Cl2 / 0.75 h / 20 °C
7.2: 93 percent / tetrapropylammonium perruthenate / CH2Cl2 / 1.5 h / 20 °C
8.1: 487 mg / n-Bu4NF*xH2O / tetrahydrofuran / 2.5 h / 20 °C
9.1: 544 mg / N-methylmorpholine / CH2Cl2 / 6 h / 20 °C
10.1: 99 percent / SmI2 / methanol; tetrahydrofuran / 0.08 h / 0 °C
11.1: 97 percent / 2,6-lutidine / CH2Cl2 / 0.25 h / 0 °C
12.1: 513 mg / DIBAH / toluene; hexane / 0.25 h / -78 °C
13.1: 565 mg / toluene / 100 °C
14.1: 480 mg / DIBAH / toluene; hexane / 0.17 h / -78 °C
With
4-methyl-morpholine; 2,6-dimethylpyridine; samarium diiodide; 4 A molecular sieve; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; 4-methylmorpholine N-oxide;
In
tetrahydrofuran; methanol; hexane; dichloromethane; dimethyl sulfoxide; toluene;
6.1: Grignard reaction / 9.1: hetero-Michael reaction / 13.1: Wittig reaction;
DOI:10.1021/ol016355k