17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)

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Chemical Name:17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)
CAS No.:191029-91-1
Molecular Formula:C₂₈H₃₄O₄
Molecular Weight:434.576
Hs Code.:

Synonyms:17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)

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Chemical Property of 17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)

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Technology Process of 17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)

There total 2 articles about 17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal) 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: 57.0%

: 5720-07-0
4-methoxyphenylboronic acid

: 191029-90-0
17-{[(trifluoromethyl)sulfonyl]oxy}-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)

: 191029-91-1
17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)

Guidance literature:: With sodium carbonate; lithium chloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In ethanol; toluene; Heating;
DOI:10.1002/prac.19973390164

Reference yield:

: 168131-50-8
18a-methylestr-5-ene-3,11,17-trione cyclic 3-(1,2-ethanediyl acetal)

: 191029-91-1
17-(4-methoxyphenyl)-18a-homoestra-5,16-diene-3,11-dione cyclic 3-(1,2-ethanediyl acetal)

Guidance literature:: Multi-step reaction with 2 steps

1: 66 percent / 2,6-di-tert-butylpyridine / CH₂Cl₂ / Ambient temperature

2: 57 percent / LiCl, 2 M aq. Na₂CO₃ / Pd(PPh₃)4 / ethanol; toluene / Heating

With 2,6-di-tert-butyl-pyridine; sodium carbonate; lithium chloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In ethanol; dichloromethane; toluene;
DOI:10.1002/prac.19973390164