Technology Process of 24-Homo-1,25-dihydroxyvitamin D3
There total 10 articles about 24-Homo-1,25-dihydroxyvitamin D3 which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
camphor-10-sulfonic acid;
In
methanol; water;
at 30 ℃;
for 6h;
DOI:10.1021/ja003976k
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 77 percent / pyridine / 16 h / Ambient temperature
2: 92 percent / hydrogen / 10percent Pd-C / ethyl acetate / 3 h / Ambient temperature
3: N-bromosuccinimide, tetra-n-butylammonium bromide, tetra-n-butylammonium fluoride
4: 1.) benzene, ethanol, irradiation, 0 deg C, 5 min; 2.) reflux, 1 h
5: 5percent KOH / methanol; tetrahydrofuran / 20 h / Ambient temperature
With
potassium hydroxide; N-Bromosuccinimide; tetrabutyl ammonium fluoride; tetrabutylammomium bromide; hydrogen;
palladium on activated charcoal;
In
tetrahydrofuran; pyridine; methanol; ethyl acetate;
DOI:10.1248/cpb.34.4508
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 93 percent / xylene / 2 h / Heating
2: 93 percent / tetrahydrofuran / 1 h / Ambient temperature
3: 95 percent / 6 M HCl / tetrahydrofuran / 2.5 h / 50 °C
4: 77 percent / pyridine / 16 h / Ambient temperature
5: 92 percent / hydrogen / 10percent Pd-C / ethyl acetate / 3 h / Ambient temperature
6: N-bromosuccinimide, tetra-n-butylammonium bromide, tetra-n-butylammonium fluoride
7: 1.) benzene, ethanol, irradiation, 0 deg C, 5 min; 2.) reflux, 1 h
8: 5percent KOH / methanol; tetrahydrofuran / 20 h / Ambient temperature
With
hydrogenchloride; potassium hydroxide; N-Bromosuccinimide; tetrabutyl ammonium fluoride; tetrabutylammomium bromide; hydrogen;
palladium on activated charcoal;
In
tetrahydrofuran; pyridine; methanol; ethyl acetate; xylene;
DOI:10.1248/cpb.34.4508