Technology Process of 4-nitro-benzoic acid 1-methyl-2-[1-(toluene-4-sulfonyl)-piperidin-2-yl]-ethyl ester
There total 11 articles about 4-nitro-benzoic acid 1-methyl-2-[1-(toluene-4-sulfonyl)-piperidin-2-yl]-ethyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
di-isopropyl azodicarboxylate; triphenylphosphine;
In
tetrahydrofuran;
at 0 - 20 ℃;
for 24h;
DOI:10.1016/j.tetlet.2007.01.082
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: imidazole / tetrahydrofuran / 8 h / 0 - 20 °C
2.1: tetrahydrofuran; diethyl ether / 6 h / -78 - 20 °C
3.1: BH3*DMS / tetrahydrofuran / 8 h / -10 - 20 °C
3.2: H2O2; NaOH / 2 h / 0 - 20 °C
4.1: diisopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 8 h / 0 - 20 °C
5.1: TBAF / tetrahydrofuran / 6 h / 20 °C
6.1: 95 percent / (COCl)2; DMSO; Et3N / 8 h / -78 - 20 °C
7.1: 30 percent / tetrahydrofuran; diethyl ether / 6 h / -78 - 20 °C
8.1: diisopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 24 h / 0 - 20 °C
With
1H-imidazole; oxalyl dichloride; di-isopropyl azodicarboxylate; dimethylsulfide borane complex; tetrabutyl ammonium fluoride; dimethyl sulfoxide; triethylamine; triphenylphosphine;
In
tetrahydrofuran; diethyl ether;
4.1: Mitsunobu condensation;
DOI:10.1016/j.tetlet.2007.01.082
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: 1,1'-(azodicarbonyl)dipiperidine; n-Bu3P / toluene / 16 h / 0 - 20 °C
2.1: imidazole / tetrahydrofuran / 8 h / 0 - 20 °C
3.1: tetrahydrofuran; diethyl ether / 6 h / -78 - 20 °C
4.1: BH3*DMS / tetrahydrofuran / 8 h / -10 - 20 °C
4.2: H2O2; NaOH / 2 h / 0 - 20 °C
5.1: diisopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 8 h / 0 - 20 °C
6.1: TBAF / tetrahydrofuran / 6 h / 20 °C
7.1: 95 percent / (COCl)2; DMSO; Et3N / 8 h / -78 - 20 °C
8.1: 30 percent / tetrahydrofuran; diethyl ether / 6 h / -78 - 20 °C
9.1: diisopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 24 h / 0 - 20 °C
With
1H-imidazole; oxalyl dichloride; tributylphosphine; di-isopropyl azodicarboxylate; dimethylsulfide borane complex; tetrabutyl ammonium fluoride; dimethyl sulfoxide; triethylamine; triphenylphosphine; 1,1'-azodicarbonyl-dipiperidine;
In
tetrahydrofuran; diethyl ether; toluene;
1.1: Mitsunobu condensation / 5.1: Mitsunobu condensation;
DOI:10.1016/j.tetlet.2007.01.082