Technology Process of Thiocarbonic acid O-((3aS,3bS,5R,7aR,7bS,8R,11aS,11bS)-2,2,3b,5,7b,11,11-heptamethyl-7-oxo-5-vinyl-dodecahydro-1,3,4-trioxa-cyclopenta[l]phenanthren-8-yl) ester O-phenyl ester
There total 6 articles about Thiocarbonic acid O-((3aS,3bS,5R,7aR,7bS,8R,11aS,11bS)-2,2,3b,5,7b,11,11-heptamethyl-7-oxo-5-vinyl-dodecahydro-1,3,4-trioxa-cyclopenta[l]phenanthren-8-yl) ester O-phenyl ester which
guide to synthetic route it.
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synthetic route:
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537038-62-3
(2S,7S,13S,6R,9R,14R)-14-hydroxy-4,4,7,9,13,17,17-heptamethyl-3,5,8-trioxa-9-vinyltetracyclo[11.4.0.02,6.07,12]heptadecan-11-one
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536742-37-7
Thiocarbonic acid O-((3aS,3bS,5R,7aR,7bS,8R,11aS,11bS)-2,2,3b,5,7b,11,11-heptamethyl-7-oxo-5-vinyl-dodecahydro-1,3,4-trioxa-cyclopenta[l]phenanthren-8-yl) ester O-phenyl ester
- Guidance literature:
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With
dmap;
In
chloroform;
for 23h;
Heating;
DOI:10.1016/S0040-4039(03)00236-3
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157201-96-2
(1S,7S,9S,3R,5R,8R,14R)-14-acetyloxy-8,9-dihydroxy-1,5,7,11,11-pentamethyl-6-oxa-5-vinyltricyclo[8.4.0.02,7]tetradec-3-yl acetate
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536742-37-7
Thiocarbonic acid O-((3aS,3bS,5R,7aR,7bS,8R,11aS,11bS)-2,2,3b,5,7b,11,11-heptamethyl-7-oxo-5-vinyl-dodecahydro-1,3,4-trioxa-cyclopenta[l]phenanthren-8-yl) ester O-phenyl ester
- Guidance literature:
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Multi-step reaction with 4 steps
1: 93 percent / p-toluenesulfonic acid / 24 h / 50 °C
2: 96 percent / lithium aluminumhydride / diethyl ether / 2.5 h / 20 °C
3: 89 percent / pyridinium chlorochromate; sodium acetate / CH2Cl2 / 3 h / 20 °C
4: 54 percent / (dimethylamino)pyridine / CHCl3 / 23 h / Heating
With
dmap; lithium aluminium tetrahydride; sodium acetate; toluene-4-sulfonic acid; pyridinium chlorochromate;
In
diethyl ether; dichloromethane; chloroform;
DOI:10.1021/jo060477e
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536742-37-7
Thiocarbonic acid O-((3aS,3bS,5R,7aR,7bS,8R,11aS,11bS)-2,2,3b,5,7b,11,11-heptamethyl-7-oxo-5-vinyl-dodecahydro-1,3,4-trioxa-cyclopenta[l]phenanthren-8-yl) ester O-phenyl ester
- Guidance literature:
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Multi-step reaction with 5 steps
1: 100 percent / potassium hydroxide / methanol / 13.5 h / 20 °C
2: 93 percent / p-toluenesulfonic acid / 24 h / 50 °C
3: 96 percent / lithium aluminumhydride / diethyl ether / 2.5 h / 20 °C
4: 89 percent / pyridinium chlorochromate; sodium acetate / CH2Cl2 / 3 h / 20 °C
5: 54 percent / (dimethylamino)pyridine / CHCl3 / 23 h / Heating
With
dmap; potassium hydroxide; lithium aluminium tetrahydride; sodium acetate; toluene-4-sulfonic acid; pyridinium chlorochromate;
In
methanol; diethyl ether; dichloromethane; chloroform;
DOI:10.1021/jo060477e