7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone

Base Information

• Chemical Name: 7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone
• CAS No.: 218900-63-1
• Molecular Formula: C₃₉H₅₀N₂O₈S₂
• Molecular Weight: 738.967

Synonyms:7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone

Chemical Property of 7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone

Chemical Property:

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Technology Process of 7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone

There total 1 articles about 7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone 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: 98.0%

toluene-4-sulfonic acid hydrazide (1576-35-8) + 2,2-Dimethyl-propionic acid (3S,8S,9S,10S,13S,14S,17S)-3-acetoxy-10-benzenesulfonylmethyl-13-methyl-7-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester (218900-62-0) → 7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone (218900-63-1)

Guidance literature:

In methanol; at 55 ℃; for 14h;

DOI:10.1135/cccc19981597

Reference yield: 67.0%

7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone (218900-63-1) → 2,2-Dimethyl-propionic acid (3S,9S,10S,13S,14S,17S)-3-acetoxy-10-benzenesulfonylmethyl-13-methyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester (218900-61-9)

Guidance literature:

With lithium hydride; In toluene; for 0.75h; Heating;

DOI:10.1135/cccc19981597

Reference yield:

7-oxo-19-(phenylsulfonyl)androst-5-ene-3β,17β-diyl 3-acetate 17-pivalate tosylhydrazone (218900-63-1) → 2,2-Dimethyl-propionic acid (1S,3aR,7aS)-4-{(S)-2-[(S)-5-acetoxy-2-methylene-cyclohex-(Z)-ylidene]-1-benzenesulfonyl-ethyl}-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-1-yl ester

Guidance literature:

Multi-step reaction with 2 steps

1: 67 percent / LiH / toluene / 0.75 h / Heating

2: benzene; diethyl ether / 0.25 h / 0 °C / Irradiation

With lithium hydride; In diethyl ether; toluene; benzene;

DOI:10.1135/cccc19981597

upstream raw materials:

toluene-4-sulfonic acid hydrazide

2,2-Dimethyl-propionic acid (3S,8S,9S,10S,13S,14S,17S)-3-acetoxy-10-benzenesulfonylmethyl-13-methyl-7-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

Downstream raw materials:

2,2-Dimethyl-propionic acid (3S,9S,10S,13S,14S,17S)-3-acetoxy-10-benzenesulfonylmethyl-13-methyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

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