Technology Process of (5Z,8Z,10E)-12-(tert-Butyl-diphenyl-silanyloxy)-15-diazo-14-oxo-icosa-5,8,10-trienoic acid ethyl ester
There total 12 articles about (5Z,8Z,10E)-12-(tert-Butyl-diphenyl-silanyloxy)-15-diazo-14-oxo-icosa-5,8,10-trienoic acid ethyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
1H-imidazole; dmap;
In
dichloromethane;
at 20 ℃;
for 12h;
DOI:10.1021/jo001731k
- Guidance literature:
-
Multi-step reaction with 9 steps
2.1: PCC
3.1: KHMDS / tetrahydrofuran; toluene / 1 h / -78 °C
3.2: 75 percent / tetrahydrofuran / 1.5 h / -78 - 20 °C
4.1: 91 percent / aq. AcOH / 42 h / 20 °C
5.1: NaIO4; SiO2 / H2O; CH2Cl2 / 0.33 h / 20 °C
6.1: KHMDS / tetrahydrofuran; toluene / 1 h / -78 °C
6.2: 1.19 g / CH2Cl2 / 4 h / -78 - 20 °C
7.1: 97 percent / Dess-Martin periodinane / CH2Cl2 / 0.83 h / 20 °C
8.1: KHMDS / toluene / 0.17 h / -78 °C
8.2: 17.5 percent / toluene / 1 h
9.1: 2.43 g / imidazole; DMAP / CH2Cl2 / 12 h / 20 °C
With
1H-imidazole; dmap; sodium periodate; silica gel; potassium hexamethylsilazane; Dess-Martin periodane; acetic acid; pyridinium chlorochromate;
In
tetrahydrofuran; dichloromethane; water; toluene;
DOI:10.1021/jo001731k
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: K2CO3; TBAI; Cu / toluene / 3 h / Heating
1.2: 48 percent / toluene / 43 h / 50 °C
2.1: 73 percent / DBU; p-nitrobenzenesulfonyl azide / CH2Cl2 / 3 h / 0 °C
3.1: KHMDS / toluene / 0.17 h / -78 °C
3.2: 17.5 percent / toluene / 1 h
4.1: 2.43 g / imidazole; DMAP / CH2Cl2 / 12 h / 20 °C
With
1H-imidazole; dmap; p-nitrobenzenesulfonyl azide; tetra-(n-butyl)ammonium iodide; potassium hexamethylsilazane; copper; potassium carbonate; 1,8-diazabicyclo[5.4.0]undec-7-ene;
In
dichloromethane; toluene;
DOI:10.1021/jo001731k