3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene

Base Information

Chemical Name:3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene
CAS No.:142645-78-1
Molecular Formula:C₃₂H₄₄O₇S
Molecular Weight:572.763
Hs Code.:

Synonyms:3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene

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Chemical Property of 3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene

Chemical Property:

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Technology Process of 3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene

There total 3 articles about 3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene 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: 60.0%

: 142645-77-0
10-(3-hydroxypropyl)estr-5-ene-3,17-dione cyclic bis(1,2-ethanediyl acetal)

: 98-59-9
p-toluenesulfonyl chloride

: 142645-78-1
3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene

Guidance literature:: In pyridine; diethyl ether;

Reference yield:

: 4855-96-3
3,17-bis(ethylenedioxy)-androst-5-en-19-al

: 142645-78-1
3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene

Guidance literature:: Multi-step reaction with 3 steps

1: 1) n-butyllithium / 1) THF, hexane, -60 deg C, 2) reflux, 24 h

2: 63 percent / lithium, liq. NH₃ / ethanol; diethyl ether / 1 h

3: pyridine / CHCl₃ / 72 h / 0 °C

With pyridine; n-butyllithium; ammonia; lithium; In diethyl ether; ethanol; chloroform;
DOI:10.1021/jo00045a028

Reference yield:

: 143060-79-1
3-<3,3:17,17-bis<1,2-ethanediylbis(oxy)>estr-5-en-10-yl>-2-propenoic aci ethyl ester

: 142645-78-1
3,3,17,17-bis(ethylenedioxy)-19-[2-(4-toluenesulfonyloxy)ethyl]androst-5-ene

Guidance literature:: Multi-step reaction with 2 steps

1: 63 percent / lithium, liq. NH₃ / ethanol; diethyl ether / 1 h

2: pyridine / CHCl₃ / 72 h / 0 °C

With pyridine; ammonia; lithium; In diethyl ether; ethanol; chloroform;
DOI:10.1021/jo00045a028