Technology Process of [(2R,6R,8R,10S)-10-Benzyloxy-2-((S)-2-benzyloxy-1-methyl-ethyl)-8-vinyl-1,7-dioxa-spiro[5.5]undec-4-yloxy]-tert-butyl-dimethyl-silane
There total 12 articles about [(2R,6R,8R,10S)-10-Benzyloxy-2-((S)-2-benzyloxy-1-methyl-ethyl)-8-vinyl-1,7-dioxa-spiro[5.5]undec-4-yloxy]-tert-butyl-dimethyl-silane which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium hydride;
In
tetrahydrofuran;
DOI:10.1021/ol991345t
- Guidance literature:
-
Multi-step reaction with 12 steps
1.1: TiCl4; DIPEA / CH2Cl2
1.2: 95 percent / NaBH4 / tetrahydrofuran; H2O
3.1: SnCl4 / CH2Cl2
4.1: NaH / dimethylformamide
5.1: OsO4; NaIO4 / tetrahydrofuran; H2O
6.1: 84 percent / LiN(SiMe3)2 / tetrahydrofuran / -78 °C
7.1: 90 percent / 2,6-lutidine / CH2Cl2 / 0 °C
8.1: DDQ; aq. pH 7 buffer / CH2Cl2 / pH 7
9.1: 80 percent / TFA / benzene
10.1: [CuIPBu3]4 / tetrahydrofuran
11.1: 76 percent / L-Selectride / tetrahydrofuran
12.1: 98 percent / KH / tetrahydrofuran
With
2,6-dimethylpyridine; sodium periodate; osmium(VIII) oxide; tetrakis{iodo(tributylphosphine)copper(I)}; pH 7 buffer; titanium tetrachloride; tin(IV) chloride; potassium hydride; L-Selectride; sodium hydride; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; benzene;
1.1: Alkylation / 1.2: Reduction / 2.1: Oxidation / 3.1: Addition / 4.1: Etherification / 5.1: Oxidation / 6.1: Addition / 7.1: Condensation / 8.1: Hydrolysis / 9.1: Cyclization / 10.1: Addition / 11.1: Reduction / 12.1: Etherification;
DOI:10.1021/ol991345t
- Guidance literature:
-
Multi-step reaction with 11 steps
2: SnCl4 / CH2Cl2
3: NaH / dimethylformamide
4: OsO4; NaIO4 / tetrahydrofuran; H2O
5: 84 percent / LiN(SiMe3)2 / tetrahydrofuran / -78 °C
6: 90 percent / 2,6-lutidine / CH2Cl2 / 0 °C
7: DDQ; aq. pH 7 buffer / CH2Cl2 / pH 7
8: 80 percent / TFA / benzene
9: [CuIPBu3]4 / tetrahydrofuran
10: 76 percent / L-Selectride / tetrahydrofuran
11: 98 percent / KH / tetrahydrofuran
With
2,6-dimethylpyridine; sodium periodate; osmium(VIII) oxide; tetrakis{iodo(tributylphosphine)copper(I)}; pH 7 buffer; tin(IV) chloride; potassium hydride; L-Selectride; sodium hydride; trifluoroacetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; benzene;
1: Oxidation / 2: Addition / 3: Etherification / 4: Oxidation / 5: Addition / 6: Condensation / 7: Hydrolysis / 8: Cyclization / 9: Addition / 10: Reduction / 11: Etherification;
DOI:10.1021/ol991345t