(E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene

Base Information

Chemical Name:(E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene
CAS No.:83845-65-2
Molecular Formula:C₂₇H₃₂O₂S
Molecular Weight:420.616
Hs Code.:

(E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5<sup>(10)</sup>,17<sup>(20)</sup>-tetraene

Synonyms:(E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene

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Chemical Property of (E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene

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Technology Process of (E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene

There total 2 articles about (E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene 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: 55.0%

: 83915-64-4
3-methoxy-19-nor-17-β-pregna-1,3,5(10),20-tetraen-17-ol

: 83845-65-2
(E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene

Guidance literature:: DOI:10.1021/jo00149a023

Reference yield:

: 6885-48-9
17β-hydroxy-3-methoxy-17α-vinylestra-1,3,5(10)-triene

: 83845-65-2
(E)-3-methoxy-(R)-(p-phenylsulfinyl)-19-norpregna-1,3,5⁽¹⁰⁾,17⁽²⁰⁾-tetraene

Guidance literature:: Multi-step reaction with 3 steps

1: BuLi

2: 65 percent / trimethyl phosphite / methanol; various solvent(s) / 40 h / Heating

3: 55 percent

With n-butyllithium; phosphorous acid trimethyl ester; In methanol;
DOI:10.1021/jo00149a023