Technology Process of 9-(2-{4-[4-(cyclooct-2-yn-1-yloxy)benzoyl]piperazine-1-carbonyl}-phenyl)-6-hydroxy-3H-xanthen-3-one
There total 9 articles about 9-(2-{4-[4-(cyclooct-2-yn-1-yloxy)benzoyl]piperazine-1-carbonyl}-phenyl)-6-hydroxy-3H-xanthen-3-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
6-hydroxy-9-[2-(piperazine-1-carbonyl)phenyl]xanthen-3-one; 4-(cyclooct-2-yn-1-yloxy)benzoic acid;
With
benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine;
In
N,N-dimethyl-formamide;
Inert atmosphere;
With
dicyclohexyl-carbodiimide;
In
N,N-dimethyl-formamide;
at 20 ℃;
for 24h;
Inert atmosphere;
DOI:10.1002/ejoc.201301375
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: pyridinium p-toluenesulfonate / dichloromethane / 2 h
2.1: lithium diisopropyl amide / tetrahydrofuran / -78 °C / Inert atmosphere
3.1: toluene-4-sulfonic acid / methanol / 3 h
4.1: tetrahydrofuran / 0 °C / Inert atmosphere
4.2: 20 °C / Inert atmosphere
5.1: sodium hydroxide / water; tetrahydrofuran; methanol / 3 h / 50 °C
6.1: N-ethyl-N,N-diisopropylamine; benzotriazol-1-ol / N,N-dimethyl-formamide / Inert atmosphere
6.2: 24 h / 20 °C / Inert atmosphere
With
pyridinium p-toluenesulfonate; benzotriazol-1-ol; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine; sodium hydroxide; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
4.1: |Mitsunobu Displacement;
DOI:10.1002/ejoc.201301375
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: copper(ll) sulfate pentahydrate / water; dimethyl sulfoxide / 2 h / 100 °C
2.1: pyridinium p-toluenesulfonate / dichloromethane / 2 h
3.1: lithium diisopropyl amide / tetrahydrofuran / -78 °C / Inert atmosphere
4.1: toluene-4-sulfonic acid / methanol / 3 h
5.1: tetrahydrofuran / 0 °C / Inert atmosphere
5.2: 20 °C / Inert atmosphere
6.1: sodium hydroxide / water; tetrahydrofuran; methanol / 3 h / 50 °C
7.1: N-ethyl-N,N-diisopropylamine; benzotriazol-1-ol / N,N-dimethyl-formamide / Inert atmosphere
7.2: 24 h / 20 °C / Inert atmosphere
With
copper(ll) sulfate pentahydrate; pyridinium p-toluenesulfonate; benzotriazol-1-ol; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine; sodium hydroxide; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide;
5.1: |Mitsunobu Displacement;
DOI:10.1002/ejoc.201301375