1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2

Base Information

• Chemical Name: 1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2
• CAS No.: 1120346-61-3
• Molecular Formula: C₄₁H₅₉O₄PSi
• Molecular Weight: 674.976

Synonyms:1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2

Chemical Property of 1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2

Chemical Property:

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Technology Process of 1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2

There total 1 articles about 1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2 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:

1α-(tert-butylmethylsilyloxy)-3,5-cyclo-(20S)-(diphenylphosphonium)-19-nor vitamin D2 1-(tert-butylmethylsilyloxy), 6-methyl ether 1-(tert-butylmethylsilyloxy) + acetic acid (64-19-7,77671-22-8) → 1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2 (1120346-61-3)

Guidance literature:

at 55 ℃; for 1h;

Reference yield:

C9H20O2Si (1117930-79-6) + 1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2 (1120346-61-3) → C35H60O4Si (1120346-62-4)

Guidance literature:

1α-acetoxy-3-(tert-butyldimethylsilyloxy)-(20S)-(diphenylphosphonium)-19-norvitamin D2; With n-butyllithium; In tetrahydrofuran; hexanes; at -78 ℃; for 0.75h;

C₉H₂₀O₂Si; In tetrahydrofuran; hexanes; at -78 - 0 ℃; for 2.83333h;

With potassium tert-butylate; water; ammonium chloride; more than 3 stages;

upstream raw materials:

acetic acid

Downstream raw materials:

C₃₅H₆₀O₄Si

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