Technology Process of (2S,3R,4S,6S)-3-Benzyloxymethoxy-1-{(4S,5S)-5-[3-(4-methoxy-benzyloxy)-propyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-2,9-dimethyl-dec-9-ene-4,6-diol
There total 13 articles about (2S,3R,4S,6S)-3-Benzyloxymethoxy-1-{(4S,5S)-5-[3-(4-methoxy-benzyloxy)-propyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-2,9-dimethyl-dec-9-ene-4,6-diol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium tetrahydroborate; diethyl methoxy borane;
In
tetrahydrofuran; methanol;
at -78 - 20 ℃;
DOI:10.1021/ol0511833
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: 91 percent / KHMDS / tetrahydrofuran; toluene / 4 h / -78 °C
2.1: 95 percent / CSA / CH2Cl2; methanol / 3 h / 0 °C
3.1: 76 percent / AD-mix-α; (DHQ)2PHAL; CH3SO2NH2 / 2-methyl-propan-2-ol; H2O
4.1: 85 percent / PPTS / 20 °C
5.1: 91 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 6 h / 20 °C
6.1: Mg / tetrahydrofuran / 45 h / Heating
6.2: 90 percent / tetrahydrofuran / 2.5 h / -78 - -40 °C
7.1: 90 percent / Dess-Martin periodinane / CH2Cl2; pyridine / 2 h / 20 °C
8.1: 95 percent / TBAF / H2O; acetic acid / 48 h / 50 °C
9.1: 94 percent / Et2BOMe; NaBH4 / tetrahydrofuran; methanol / -78 - 20 °C
With
pyridine; sodium tetrahydroborate; AD-mix-α; Hydroquinone 1,4-phthalazinediyl diether; methanesulfonamide; camphor-10-sulfonic acid; diethyl methoxy borane; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; potassium hexamethylsilazane; Dess-Martin periodane; magnesium;
In
tetrahydrofuran; pyridine; methanol; dichloromethane; water; acetic acid; toluene; tert-butyl alcohol;
6.2: Grignard reaction;
DOI:10.1021/ol0511833
- Guidance literature:
-
Multi-step reaction with 11 steps
1.1: 98 percent / DIPEA; tetrabutylammonium iodide / CH2Cl2 / 96 h
2.1: O3 / CH2Cl2 / -78 °C
2.2: 96 percent / PPh3 / CH2Cl2 / 5 h / 20 °C
3.1: 91 percent / KHMDS / tetrahydrofuran; toluene / 4 h / -78 °C
4.1: 95 percent / CSA / CH2Cl2; methanol / 3 h / 0 °C
5.1: 76 percent / AD-mix-α; (DHQ)2PHAL; CH3SO2NH2 / 2-methyl-propan-2-ol; H2O
6.1: 85 percent / PPTS / 20 °C
7.1: 91 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 6 h / 20 °C
8.1: Mg / tetrahydrofuran / 45 h / Heating
8.2: 90 percent / tetrahydrofuran / 2.5 h / -78 - -40 °C
9.1: 90 percent / Dess-Martin periodinane / CH2Cl2; pyridine / 2 h / 20 °C
10.1: 95 percent / TBAF / H2O; acetic acid / 48 h / 50 °C
11.1: 94 percent / Et2BOMe; NaBH4 / tetrahydrofuran; methanol / -78 - 20 °C
With
pyridine; sodium tetrahydroborate; AD-mix-α; Hydroquinone 1,4-phthalazinediyl diether; methanesulfonamide; camphor-10-sulfonic acid; diethyl methoxy borane; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; tetra-(n-butyl)ammonium iodide; potassium hexamethylsilazane; Dess-Martin periodane; ozone; magnesium; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; pyridine; methanol; dichloromethane; water; acetic acid; toluene; tert-butyl alcohol;
8.2: Grignard reaction;
DOI:10.1021/ol0511833