4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid

Base Information

Chemical Name:4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid
CAS No.:1325226-35-4
Molecular Formula:C₂₇H₂₇F₅O₄
Molecular Weight:510.501
Hs Code.:

Synonyms:4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid

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Chemical Property of 4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid

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Technology Process of 4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid

There total 4 articles about 4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid 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: 74.8%

: 622404-66-4
4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzaldehyde

: 1325226-35-4
4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid

Guidance literature:: With Jones reagent; In acetone; at -5 - 0 ℃; for 5h;
DOI:10.1002/cmdc.201800487

Reference yield:

: 91175-93-8
(5′R,8′S,10′R,13′S,14′S)-5,5,13′-trimethyl-1′,2′,6′,7′,8′,12′,13′,14′,15′,16′-decahydro-17′H-spiro[1,3-dioxane-2,3′-[5,10]epoxycyclopenta[a]phenanthren]-17′-one

: 1325226-35-4
4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid

Guidance literature:: Multi-step reaction with 4 steps

1.1: methyllithium lithium bromide / toluene; diethyl ether / 1 h / -70 - 0 °C

2.1: magnesium; ethylene dibromide / tetrahydrofuran / 1 h / 40 - 50 °C

2.2: 0.25 h / 0 °C

2.3: 13 h / 0 - 23 °C

3.1: acetic acid / 16 h / 30 °C

4.1: sulfuric acid; chromium(VI) oxide / acetone / 4.5 h / -15 - 0 °C

With methyllithium lithium bromide; sulfuric acid; chromium(VI) oxide; magnesium; acetic acid; ethylene dibromide; In tetrahydrofuran; diethyl ether; acetone; toluene;

Reference yield:

: 1325204-32-7
(5R,8S,11R,13S,14S,17S)-11-[4-(dimethoxymethyl)phenyl]-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-5,17(4H)-diol

: 1325226-35-4
4-[(17β)-20,20,21,21,21-pentafluoro-17-hydroxy-3-oxo-19-norpregna-4,9-dien-11-yl]benzoic acid

Guidance literature:: Multi-step reaction with 2 steps

1: acetic acid / 16 h / 30 °C

2: sulfuric acid; chromium(VI) oxide / acetone / 4.5 h / -15 - 0 °C

With sulfuric acid; chromium(VI) oxide; acetic acid; In acetone;