(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

Base Information

Chemical Name:(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid
CAS No.:1185143-65-0
Molecular Formula:C₂₇H₂₆F₄O₆
Molecular Weight:522.493
Hs Code.:

(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

Synonyms:(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

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Chemical Property of (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

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Technology Process of (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

There total 3 articles about (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic 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: 84.0%

: 1550-35-2
2,4-difluorobenzaldehyde

: 6α,9α-difluoro-11β,16α,17α-trihydroxy-3-oxoandrosta-1,4-diene-17β-carboxylic acid

: 1185143-65-0
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

Guidance literature:: perchloric acid; In tetrahydrofuran; at 20 ℃; for 2h;

Reference yield:

: 65751-34-0
11β-hydroxy-16α,17α-isopropylidenedioxy-3-oxo-6α,9α-difluoroandrosta-1,4-diene-17β-carboxylic acid

: 1185143-65-0
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: formic acid / 20 - 42 °C / Inert atmosphere

2: perchloric acid / tetrahydrofuran / 2 h / 20 °C

With formic acid; perchloric acid; In tetrahydrofuran;

Reference yield:

: 67-73-2
fluocinolone Acetonide

: 1185143-65-0
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(2,4-difluorophenyl)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-6b-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1: periodic acid / 1,4-dioxane; water / 4.5 h / 20 °C

2: formic acid / 20 - 42 °C / Inert atmosphere

3: perchloric acid / tetrahydrofuran / 2 h / 20 °C

With formic acid; periodic acid; perchloric acid; In tetrahydrofuran; 1,4-dioxane; water;