Technology Process of 2H-Pyran-2-ol,
5,6-dihydro-4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)-
There total 1 articles about 2H-Pyran-2-ol,
5,6-dihydro-4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 3 steps
1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / 3 h / Reflux
2: zinc / tetrahydrofuran / Reflux; Inert atmosphere
3: diisobutylaluminium hydride / tetrahydrofuran; dichloromethane / -78 - -40 °C
With
N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); diisobutylaluminium hydride; zinc;
In
tetrahydrofuran; tetrachloromethane; dichloromethane;
2: |Reformatsky Reaction;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: hydrogenchloride / 1,2-dichloro-ethane; water / 12.5 h / 40 °C
2.1: 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; n-butyllithium / tetrahydrofuran; hexane / 0.33 h / 0 °C
2.2: 1 h / -78 - 0 °C
3.1: diisobutylaluminium hydride / tetrahydrofuran; hexane / 1 h / -78 °C
4.1: methanol / 1 h / 20 °C / Inert atmosphere
5.1: potassium hydroxide / ethanol / 2.25 h / 20 - 70 °C
With
hydrogenchloride; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; n-butyllithium; diisobutylaluminium hydride; potassium hydroxide;
In
tetrahydrofuran; methanol; ethanol; hexane; water; 1,2-dichloro-ethane;
2.1: |Horner-Wadsworth-Emmons Olefination / 5.1: |Wittig Olefination;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: hydrogenchloride / 1,2-dichloro-ethane; water / 12.5 h / 40 °C
2.1: 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; n-butyllithium / tetrahydrofuran; hexane / 0.33 h / 0 °C
2.2: 1 h / -78 - 0 °C
3.1: diisobutylaluminium hydride / tetrahydrofuran; hexane / 1 h / -78 °C
4.1: methanol / 1 h / 20 °C / Inert atmosphere
With
hydrogenchloride; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; n-butyllithium; diisobutylaluminium hydride;
In
tetrahydrofuran; methanol; hexane; water; 1,2-dichloro-ethane;
2.1: |Horner-Wadsworth-Emmons Olefination;