20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3

Base Information

Chemical Name:20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3
CAS No.:1309604-69-0
Molecular Formula:C₃₉H₇₂O₃Si₂
Molecular Weight:645.17
Hs Code.:

Synonyms:20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3

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Chemical Property of 20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3

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Technology Process of 20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3

There total 1 articles about 20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3 which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

: C₃₃H₅₁O₃PSi₂

: 733047-51-3
20(17->18)-abeo-de-A,B-25-hydroxy-22-homo-21-norcholestan-8-one

: 1309604-69-0
20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3

Guidance literature:: C₃₃H₅₁O₃PSi₂; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 1h;

20(17->18)-abeo-de-A,B-25-hydroxy-22-homo-21-norcholestan-8-one; In tetrahydrofuran; hexane; at -78 - -30 ℃; for 7h; Darkness;
DOI:10.1002/cmdc.201100021

Reference yield: 98.0%

: 1309604-69-0
20(17->18)-abeo-3-O-(triethylsilyl)-1α-[(triethylsilyl)oxy]-25-hydroxy-22-homo-21-norvitamin D3

: 20(17->18)-abeo-1α,25-dihydroxy-22-homo-21-norvitamin D3

Guidance literature:: With pyridine hydrofluoride; triethylamine; In dichloromethane; acetonitrile; at 20 ℃; for 1h; Darkness;
DOI:10.1002/cmdc.201100021