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ChemicalBook CAS DataBase List Glabridin
59870-68-7

Glabridin synthesis

8synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 7 steps
1: 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(II) dichloride dihydrate / acetonitrile / 10 h / 20 °C
2: bromine / N,N-dimethyl-formamide / 2 h / Cooling with ice
3: 1.5 h / 180 °C
4: anhydrous sodium carbonate; palladium (II) [1,1'-bis(diphenylphosphanyl)ferrocene] dichloride / N,N-dimethyl-formamide; lithium hydroxide monohydrate / 2 h / 90 °C
5: lithium tetrahydridoborate / tetrahydrofuran / 20 °C
6: triphenylphosphine; di-isopropyl azodicarboxylate / dichloromethane / 10 h / Cooling with ice
7: tribromoborane / dichloromethane / 2 h / -78 °C / Inert atmosphere

References:

CN109232603,2019,A

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