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ChemicalBook CAS DataBase List 20E-DEHYDROCHOLESTEROL
34347-28-9

20E-DEHYDROCHOLESTEROL synthesis

6synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: 86 percent / benzene / Heating
2: 81 percent / LiAlH4 / tetrahydrofuran / 1 h / Heating
3: 2.1 g / 30percent H2O2 / methanol / Heating
4: 67 percent / Ba(OH)2*8H2O / pyridine / 12 h / 105 °C
5: H2 / Unichema Prikat 9906 Ni / ethyl acetate

References:

Kircher, Henry W.;Rosenstein, Fumiko U. [Journal of Organic Chemistry,1982,vol. 47,# 9,p. 1722 - 1724]

10211-88-8 Synthesis
(3β,20S)-20-Formyl-3-hydroxy-5-pregnene 3-O-Acetate

10211-88-8
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20E-DEHYDROCHOLESTEROL

34347-28-9
7 suppliers
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