Technology Process of (3R,3aα,5aα,9aβ,11aα,12R)-3β,3bβ-(Epoxymethano)-4α,12-dihydroxy-3a,3b,4,5,5a,6,7,8,9,9a,9bα,10,11,11a-tetradecahydro-6,6,9a-trimethylphenanthro[1,2-c]furan-1(3H)-one 4-butyrate
There total 4 articles about (3R,3aα,5aα,9aβ,11aα,12R)-3β,3bβ-(Epoxymethano)-4α,12-dihydroxy-3a,3b,4,5,5a,6,7,8,9,9a,9bα,10,11,11a-tetradecahydro-6,6,9a-trimethylphenanthro[1,2-c]furan-1(3H)-one 4-butyrate which
guide to synthetic route it.
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synthetic route:
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(4aS,4bR,7aR,9aS,10R,11aS)-10-Hydroxy-1,1,4a-trimethyl-1,3,4,4a,4b,5,6,7,7a,10,11,11a-dodecahydro-2H-cyclobuta[j]phenanthrene-7-carboxylic acid
- Guidance literature:
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Multi-step reaction with 4 steps
1: diethyl ether
2: 89 percent / 4-pyrrolidinopyridine, triethylamine / 0.75 h / 0 °C
3: 84 percent / aq. KOH / methanol / 15 h / Ambient temperature
4: 1.) ozone, 2.) Me2S / 1) CH2Cl2, -78 deg C, few min; 2) CH2Cl2, RT, 18 h
With
potassium hydroxide; dimethylsulfide; 4-pyrrolidin-1-ylpyridine; ozone; triethylamine;
In
methanol; diethyl ether;
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152715-34-9
<3R-(3aα,5aS,7aα,11aβ,11bα)>-(-)-methyl 6α-butyroxy-1,3,3a,6,7,7a,8,9,10,11,11a,11b-dodecahydro-8,8,11a-trimethyl-2H-cyclobuta-phenanthrene-3β-carboxylate
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 84 percent / aq. KOH / methanol / 15 h / Ambient temperature
2: 1.) ozone, 2.) Me2S / 1) CH2Cl2, -78 deg C, few min; 2) CH2Cl2, RT, 18 h
With
potassium hydroxide; dimethylsulfide; ozone;
In
methanol;
-
-
152715-31-6
<3R-(3aα,5aS,7aα,11aβ,11bα)>-(+)-methyl 1,3,3a,6,7,7a,8,9,10,11,11a,11b-dodecahydro-6α-hydroxy-8,8,11a-trimethyl-2H-cyclobuta-phenanthrene-3β-carboxylate
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 89 percent / 4-pyrrolidinopyridine, triethylamine / 0.75 h / 0 °C
2: 84 percent / aq. KOH / methanol / 15 h / Ambient temperature
3: 1.) ozone, 2.) Me2S / 1) CH2Cl2, -78 deg C, few min; 2) CH2Cl2, RT, 18 h
With
potassium hydroxide; dimethylsulfide; 4-pyrrolidin-1-ylpyridine; ozone; triethylamine;
In
methanol;