Technology Process of (3E,5E,7E,9E,11E,14S,15S,16R,18R,20R,22S,24S,26R,28R,29E,31S,32S)-14,16,18,20,22,24,26,28-octahydroxy-15,31-dimethyl-32-propan-2-yl-1-oxacyclodotriaconta-3,5,7,9,11,29-hexaen-2-one
There total 26 articles about (3E,5E,7E,9E,11E,14S,15S,16R,18R,20R,22S,24S,26R,28R,29E,31S,32S)-14,16,18,20,22,24,26,28-octahydroxy-15,31-dimethyl-32-propan-2-yl-1-oxacyclodotriaconta-3,5,7,9,11,29-hexaen-2-one which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
Multi-step reaction with 23 steps
2: RuCl3, NaIO4
3: benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate (BOP)
4: 1.) t-BuLi
5: NaBH4, CeCl3
6: O3, 4,6-dimethoxybenzene-1,3-disulfonyl chloride (DMS)
7: pyridine
8: Li/NH3, NaH2PO4
9: H+
10: tetrabutylammonium fluoride (TBAF)
13: n-BuLi
14: Ms2O, pyridine
15: sodium naphthalide
16: tetrabutylammonium fluoride (TBAF)
17: Dess-Martin reagent
18: 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)
19: 1.) LHMDS
20: LiOH
21: Et3N
22: toluene / Heating
23: 75 percent / Dowex H+, OHCH2CH2CH2OH
With
pyridine; ruthenium trichloride; lithium hydroxide; sodium tetrahydroborate; sodium periodate; sodium dihydrogenphosphate; n-butyllithium; cerium(III) chloride; Dowex H+; 4,6-dimethoxybenzene-1,3-bis(sulfonyl) chloride; tetrabutyl ammonium fluoride; ammonia; tert.-butyl lithium; hydrogen cation; lithium; sodium naphthalenide; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; Dess-Martin periodane; ozone; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; lithium hexamethyldisilazane; trimethyleneglycol; Methanesulfonic anhydride;
In
toluene;
DOI:10.1021/ja00061a057
- Guidance literature:
-
Multi-step reaction with 26 steps
1: O3, 4,6-dimethoxybenzene-1,3-disulfonyl chloride (DMS)
2: K2CO3 / methanol
3: NaBH4
5: RuCl3, NaIO4
6: benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate (BOP)
7: 1.) t-BuLi
8: NaBH4, CeCl3
9: O3, 4,6-dimethoxybenzene-1,3-disulfonyl chloride (DMS)
10: pyridine
11: Li/NH3, NaH2PO4
12: H+
13: tetrabutylammonium fluoride (TBAF)
16: n-BuLi
17: Ms2O, pyridine
18: sodium naphthalide
19: tetrabutylammonium fluoride (TBAF)
20: Dess-Martin reagent
21: 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)
22: 1.) LHMDS
23: LiOH
24: Et3N
25: toluene / Heating
26: 75 percent / Dowex H+, OHCH2CH2CH2OH
With
pyridine; ruthenium trichloride; lithium hydroxide; sodium tetrahydroborate; sodium periodate; sodium dihydrogenphosphate; n-butyllithium; cerium(III) chloride; Dowex H+; 4,6-dimethoxybenzene-1,3-bis(sulfonyl) chloride; tetrabutyl ammonium fluoride; ammonia; tert.-butyl lithium; hydrogen cation; lithium; sodium naphthalenide; potassium carbonate; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; Dess-Martin periodane; ozone; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; lithium hexamethyldisilazane; trimethyleneglycol; Methanesulfonic anhydride;
In
methanol; toluene;
DOI:10.1021/ja00061a057