Technology Process of 1-tosyl-3-oxa-1-azaspiro[4.4]non-8-ene-2,7-dione
There total 8 articles about 1-tosyl-3-oxa-1-azaspiro[4.4]non-8-ene-2,7-dione which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
pyridinium chlorochromate;
In
dichloromethane;
at 20 ℃;
for 4h;
Inert atmosphere;
DOI:10.1021/ol201236j
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: sodium hydride / tetrahydrofuran; mineral oil / 0 - 20 °C / Inert atmosphere
2.1: tetrahydrofuran; mineral oil / 0 - 20 °C / Inert atmosphere
3.1: sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C / Inert atmosphere
4.1: triethylamine / dichloromethane / 1.5 h / 20 °C / Inert atmosphere
4.2: 6 h / 20 °C / Inert atmosphere
5.1: pyridinium chlorochromate / dichloromethane / 4 h / 20 °C / Inert atmosphere
With
sodium hydride; sodium hydrogencarbonate; triethylamine; 3-chloro-benzenecarboperoxoic acid; pyridinium chlorochromate;
In
tetrahydrofuran; dichloromethane; mineral oil;
DOI:10.1021/ol201236j
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: lithium borohydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
2.1: sodium hydride / tetrahydrofuran; mineral oil / 0 - 20 °C / Inert atmosphere
3.1: tetrahydrofuran; mineral oil / 0 - 20 °C / Inert atmosphere
4.1: sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C / Inert atmosphere
5.1: triethylamine / dichloromethane / 1.5 h / 20 °C / Inert atmosphere
5.2: 6 h / 20 °C / Inert atmosphere
6.1: pyridinium chlorochromate / dichloromethane / 4 h / 20 °C / Inert atmosphere
With
lithium borohydride; sodium hydride; sodium hydrogencarbonate; triethylamine; 3-chloro-benzenecarboperoxoic acid; pyridinium chlorochromate;
In
tetrahydrofuran; dichloromethane; mineral oil;
DOI:10.1021/ol201236j