Technology Process of (2R,3S,4S,5S,6S,9S,10S,13R,14S)-2,5:10,14-dioxido-6,9,13-tris(methoxymethoxy)-1-trityloxytetracosane-3,4-diol
There total 36 articles about (2R,3S,4S,5S,6S,9S,10S,13R,14S)-2,5:10,14-dioxido-6,9,13-tris(methoxymethoxy)-1-trityloxytetracosane-3,4-diol which
guide to synthetic route it.
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synthetic route:
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220772-79-2
(2R,3S,4S,5S,6S,9S,10S,13R,14S)-2,5:10,14-dioxido-6,9,13-tris(methoxymethoxy)-1-trityloxytetracosane-3,4-diol
- Guidance literature:
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Multi-step reaction with 13 steps
1.1: 69 percent / pyridine / 19 h / 0 - 20 °C
2.1: 387 mg / imidazole / dimethylformamide / 18 h / 20 °C
3.1: 71 percent / lithium aluminium hydride / diethyl ether / 1 h / 0 °C
4.1: 68 percent / 2,6-di-tert-butyl-4-methylpyridine / CH2Cl2 / 6 h / -10 - 0 °C
5.1: oxalyl chloride / CH2Cl2; dimethylsulfoxide / 1 h / -70 °C
5.2: triethylamine / CH2Cl2; dimethylsulfoxide / -70 - 0 °C
6.1: 65 percent / ZnCl2 / CH2Cl2; diethyl ether; tetrahydrofuran / 18 h / -70 - 20 °C
7.1: 90 percent / N,N-diisopropylethylamine / CH2Cl2 / 24 h / 0 - 20 °C
8.1: 78 percent / n-BuLi; anhydrous cerium chloride / tetrahydrofuran; hexane / 5 h / -78 - -23 °C
9.1: hydrogen / PtO2 / ethyl acetate / 7 h / 20 °C
10.1: 44.5 mg / n-tetrapropylammonium perruthenate; N-methylmorpholine N-oxide; molecular sieves 4 Angstroem / CH2Cl2 / 1.2 h / 20 °C
11.1: Zn(BH4)2 / diethyl ether / -10 °C
12.1: N,N-diisopropylethylamine / CH2Cl2 / 18 h / 0 - 20 °C
13.1: 47.8 mg / tetrabutylammonium fluoride / tetrahydrofuran / 5.5 h / 20 °C
With
pyridine; 1H-imidazole; lithium aluminium tetrahydride; n-butyllithium; 2,6-di-tert-butyl-4-methylpyridine; cerium(III) chloride; tetrapropylammonium perruthennate; zinc(II) tetrahydroborate; oxalyl dichloride; 4 A molecular sieve; tetrabutyl ammonium fluoride; hydrogen; 4-methylmorpholine N-oxide; N-ethyl-N,N-diisopropylamine; zinc(II) chloride;
platinum(IV) oxide;
In
tetrahydrofuran; diethyl ether; hexane; dichloromethane; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jo020211h
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220772-79-2
(2R,3S,4S,5S,6S,9S,10S,13R,14S)-2,5:10,14-dioxido-6,9,13-tris(methoxymethoxy)-1-trityloxytetracosane-3,4-diol
- Guidance literature:
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Multi-step reaction with 16 steps
1.1: diethyl ether / 2.5 h / -78 °C
2.1: 1.17 g / triethylsilane; BF3*Et2O / CH2Cl2 / 3.5 h / -40 - -30 °C
3.1: hydrogen / 10percent Pd/C / methanol; ethyl acetate / 96 h / 20 °C
4.1: 10.4 g / imidazole / dimethylformamide / 18 h / 20 °C
5.1: trimethyl orthoformate; d-camphorsulfonic acid / CH2Cl2 / 3 h / 20 °C
5.2: 66 percent / 7 h / 130 °C
6.1: hydrogen / 10percent Pd/C / ethyl acetate; methanol / 8 h / 20 °C
7.1: sodium methoxide; Dowex 50W X-8 (H(1+)) resin / methanol; CH2Cl2 / 96 h / 20 °C
8.1: N,N-diisopropylethylamine / CH2Cl2 / 48 h / 0 - 20 °C
9.1: 3.64 g / tetrabutylammonium fluoride / tetrahydrofuran / 18 h / 20 °C
10.1: oxalyl chloride / CH2Cl2; dimethylsulfoxide / 0.5 h / -70 °C
10.2: 100 percent / triethylamine / CH2Cl2; dimethylsulfoxide / -70 - 0 °C
11.1: 78 percent / n-BuLi; anhydrous cerium chloride / tetrahydrofuran; hexane / 5 h / -78 - -23 °C
12.1: hydrogen / PtO2 / ethyl acetate / 7 h / 20 °C
13.1: 44.5 mg / n-tetrapropylammonium perruthenate; N-methylmorpholine N-oxide; molecular sieves 4 Angstroem / CH2Cl2 / 1.2 h / 20 °C
14.1: Zn(BH4)2 / diethyl ether / -10 °C
15.1: N,N-diisopropylethylamine / CH2Cl2 / 18 h / 0 - 20 °C
16.1: 47.8 mg / tetrabutylammonium fluoride / tetrahydrofuran / 5.5 h / 20 °C
With
1H-imidazole; triethylsilane; n-butyllithium; cerium(III) chloride; tetrapropylammonium perruthennate; zinc(II) tetrahydroborate; oxalyl dichloride; 4 A molecular sieve; Dowex 50W X-8 (H(1+)) resin; boron trifluoride diethyl etherate; (1S)-10-camphorsulfonic acid; tetrabutyl ammonium fluoride; hydrogen; sodium methylate; 4-methylmorpholine N-oxide; N-ethyl-N,N-diisopropylamine; trimethyl orthoformate;
platinum(IV) oxide;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jo020211h
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220772-79-2
(2R,3S,4S,5S,6S,9S,10S,13R,14S)-2,5:10,14-dioxido-6,9,13-tris(methoxymethoxy)-1-trityloxytetracosane-3,4-diol
- Guidance literature:
-
Multi-step reaction with 16 steps
1.1: diethyl ether / 2.5 h / -78 °C
2.1: 1.17 g / triethylsilane; BF3*Et2O / CH2Cl2 / 3.5 h / -40 - -30 °C
3.1: hydrogen / 10percent Pd/C / methanol; ethyl acetate / 96 h / 20 °C
4.1: 10.4 g / imidazole / dimethylformamide / 18 h / 20 °C
5.1: trimethyl orthoformate; d-camphorsulfonic acid / CH2Cl2 / 3 h / 20 °C
5.2: 66 percent / 7 h / 130 °C
6.1: hydrogen / 10percent Pd/C / ethyl acetate; methanol / 8 h / 20 °C
7.1: sodium methoxide; Dowex 50W X-8 (H(1+)) resin / methanol; CH2Cl2 / 96 h / 20 °C
8.1: N,N-diisopropylethylamine / CH2Cl2 / 48 h / 0 - 20 °C
9.1: 3.64 g / tetrabutylammonium fluoride / tetrahydrofuran / 18 h / 20 °C
10.1: oxalyl chloride / CH2Cl2; dimethylsulfoxide / 0.5 h / -70 °C
10.2: 100 percent / triethylamine / CH2Cl2; dimethylsulfoxide / -70 - 0 °C
11.1: 78 percent / n-BuLi; anhydrous cerium chloride / tetrahydrofuran; hexane / 5 h / -78 - -23 °C
12.1: hydrogen / PtO2 / ethyl acetate / 7 h / 20 °C
13.1: 44.5 mg / n-tetrapropylammonium perruthenate; N-methylmorpholine N-oxide; molecular sieves 4 Angstroem / CH2Cl2 / 1.2 h / 20 °C
14.1: Zn(BH4)2 / diethyl ether / -10 °C
15.1: N,N-diisopropylethylamine / CH2Cl2 / 18 h / 0 - 20 °C
16.1: 47.8 mg / tetrabutylammonium fluoride / tetrahydrofuran / 5.5 h / 20 °C
With
1H-imidazole; triethylsilane; n-butyllithium; cerium(III) chloride; tetrapropylammonium perruthennate; zinc(II) tetrahydroborate; oxalyl dichloride; 4 A molecular sieve; Dowex 50W X-8 (H(1+)) resin; boron trifluoride diethyl etherate; (1S)-10-camphorsulfonic acid; tetrabutyl ammonium fluoride; hydrogen; sodium methylate; 4-methylmorpholine N-oxide; N-ethyl-N,N-diisopropylamine; trimethyl orthoformate;
platinum(IV) oxide;
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jo020211h