3β-acetoxy-5α,25R-spirostan-11-one

Base Information

Chemical Name:3β-acetoxy-5α,25R-spirostan-11-one
CAS No.:4947-79-9
Molecular Formula:C₂₉H₄₄O₅
Molecular Weight:472.665
Hs Code.:

Synonyms:3β-acetoxy-5α,25R-spirostan-11-one

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Chemical Property of 3β-acetoxy-5α,25R-spirostan-11-one

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Technology Process of 3β-acetoxy-5α,25R-spirostan-11-one

There total 1 articles about 3β-acetoxy-5α,25R-spirostan-11-one 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:

: 82182-52-3
(3β,5α,12β,25R)-3,12-di(acetoxy)spirostan-11-one

: 4802-74-8
11-ketotigogenin

: 86023-87-2
3β,12β-dihydroxy-11-oxo-(25R)-5α-spirostane

: 4947-79-9
3β-acetoxy-5α,25R-spirostan-11-one

Guidance literature:: With 1-methyl-pyrrolidin-2-one; potassium hydroxide; tetrabutylammonium acetate; acetic acid; Yield given. Multistep reaction. Yields of byproduct given; 1.) THF, electrolysis, Pt anode, graphite cathode, constant current 125 mA (25 mA/cm³), 4.1 F/mol, 40 deg C, 2.) MeOH, room temperature, 4 h, 3.) H₂O, overnight;
DOI:10.1021/jo9513469

Reference yield:

: 4250-57-1,4732-32-5,4947-79-9,108146-27-6,120964-55-8,121009-61-8,122291-14-9
(25R)-3α-acetoxy-5β-spirostan-11-one

: 4970-39-2
3α-acetoxy-5β-pregn-16-ene-11,20-dione

Guidance literature:: With acetic anhydride; at 180 ℃; Behandeln des Reaktionsprodukts mit CrO₃ und Essigsaeure und anschliessend Erwaermen mit wss.-methanol.KHCO₃;
DOI:10.1021/ja01114a010

Reference yield:

: 4250-57-1,4732-32-5,4947-79-9,108146-27-6,120964-55-8,121009-61-8,122291-14-9
(25R)-3α-acetoxy-5β-spirostan-11-one

: 1610-52-2
3α-acetoxy-5β-pregnane-11,20-dione

Guidance literature:: Multi-step reaction with 2 steps

1: acetic acid anhydride / 180 °C / Behandeln des Reaktionsprodukts mit CrO₃ und Essigsaeure und anschliessend Erwaermen mit wss.-methanol.KHCO₃

2: palladium / Hydrogenation

With acetic anhydride; palladium;
DOI:10.1021/ja01114a010