Technology Process of 4-Bromo-benzoic acid (1S,2S,3R,5S)-3-hydroxy-5-methyl-3-((E)-2,5,5,9-tetramethyl-6-oxo-deca-2,9-dienoyl)-2-vinyl-cyclopentyl ester
There total 17 articles about 4-Bromo-benzoic acid (1S,2S,3R,5S)-3-hydroxy-5-methyl-3-((E)-2,5,5,9-tetramethyl-6-oxo-deca-2,9-dienoyl)-2-vinyl-cyclopentyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
di-isopropyl azodicarboxylate; triphenylphosphine;
In
tetrahydrofuran;
at 0 ℃;
for 2.5h;
DOI:10.1021/ol060115t
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: Mg / diethyl ether
1.2: 80 percent / diethyl ether / -78 - 20 °C
2.1: 98 percent / imidazole / CH2Cl2 / 5 h / 20 °C
3.1: 98 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / -78 - 20 °C
4.1: n-BuLi / tetrahydrofuran; hexane / 0.08 h / 0 °C
4.2: 45 percent / tetrahydrofuran; hexane / 12 h / Heating
5.1: 97 percent / TBAF / tetrahydrofuran / 0.08 h / 0 °C
6.1: 68 percent / pyridinium p-toluenesulfonate / ethanol / 5 h / 20 °C
7.1: 78 percent / Dess-Martin periodinane; pyridine / CH2Cl2 / 0.67 h / 0 °C
8.1: 99 percent / HF*pyridine / tetrahydrofuran / 1.25 h / 20 °C
9.1: 95 percent / PPh3; diisopropyl azodicarboxylate / tetrahydrofuran / 2.5 h / 0 °C
With
pyridine; 1H-imidazole; n-butyllithium; oxalyl dichloride; di-isopropyl azodicarboxylate; tetrabutyl ammonium fluoride; pyridinium p-toluenesulfonate; Dess-Martin periodane; pyridine hydrogenfluoride; magnesium; dimethyl sulfoxide; triethylamine; triphenylphosphine;
In
tetrahydrofuran; diethyl ether; ethanol; hexane; dichloromethane;
1.2: Grignard addition / 4.2: Horner-Wadsworth-Emmons olefination / 9.1: Mitsunobu reaction;
DOI:10.1021/ol060115t
- Guidance literature:
-
Multi-step reaction with 11 steps
1.1: DIBAL-H / CH2Cl2 / 0.5 h / -78 °C
2.1: 1.01 g / Py*SO3; Et3N / dimethylsulfoxide; CH2Cl2 / 0 - 20 °C
3.1: Mg / diethyl ether
3.2: 80 percent / diethyl ether / -78 - 20 °C
4.1: 98 percent / imidazole / CH2Cl2 / 5 h / 20 °C
5.1: 98 percent / oxalyl chloride; DMSO; Et3N / CH2Cl2 / -78 - 20 °C
6.1: n-BuLi / tetrahydrofuran; hexane / 0.08 h / 0 °C
6.2: 45 percent / tetrahydrofuran; hexane / 12 h / Heating
7.1: 97 percent / TBAF / tetrahydrofuran / 0.08 h / 0 °C
8.1: 68 percent / pyridinium p-toluenesulfonate / ethanol / 5 h / 20 °C
9.1: 78 percent / Dess-Martin periodinane; pyridine / CH2Cl2 / 0.67 h / 0 °C
10.1: 99 percent / HF*pyridine / tetrahydrofuran / 1.25 h / 20 °C
11.1: 95 percent / PPh3; diisopropyl azodicarboxylate / tetrahydrofuran / 2.5 h / 0 °C
With
pyridine; 1H-imidazole; n-butyllithium; oxalyl dichloride; di-isopropyl azodicarboxylate; tetrabutyl ammonium fluoride; sulfur trioxide pyridine complex; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; Dess-Martin periodane; pyridine hydrogenfluoride; magnesium; dimethyl sulfoxide; triethylamine; triphenylphosphine;
In
tetrahydrofuran; diethyl ether; ethanol; hexane; dichloromethane; dimethyl sulfoxide;
3.2: Grignard addition / 6.2: Horner-Wadsworth-Emmons olefination / 11.1: Mitsunobu reaction;
DOI:10.1021/ol060115t