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ChemicalBook CAS DataBase List 11,12-DIMETHOXYDIHYDROKAWAIN
93159-88-7

11,12-DIMETHOXYDIHYDROKAWAIN synthesis

3synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 6 steps
1.1: n-butyllithium / tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere
1.2: 0 - 20 °C / Inert atmosphere
2.1: selenium(IV) dioxide / 1,4-dioxane / 12 h / Reflux
3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.5 h / 0 °C / Inert atmosphere
3.2: 0.5 h / 0 °C / Inert atmosphere
3.3: 12.5 h / -78 - 20 °C / Inert atmosphere
4.1: potassium carbonate; methanol / 6 h / 20 °C / Inert atmosphere
5.1: acetone / 12 h / 20 °C
6.1: hydrogen; 5%-palladium/activated carbon / tetrahydrofuran / 2 h / 760.05 Torr

References:

Hati, Santanu;Hu, Qi;Huo, Zhiguang;Lu, Junxuan;Xing, Chengguo [ChemMedChem,2022,vol. 17,# 7,art. no. E202100727]