(5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene

Base Information

Chemical Name:(5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene
CAS No.:1207630-74-7
Molecular Formula:C₃₀H₃₈ClNO₃
Molecular Weight:496.09
Hs Code.:

Synonyms:(5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene

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Technology Process of (5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene

There total 5 articles about (5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]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: 83.0%

: 89-98-5
2-chloro-benzaldehyde

: 3β-acetoxy-21-azidopregn-5-en-20β-ol

: 1207630-74-7
(5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene

Guidance literature:: With boron trifluoride diethyl etherate; In dichloromethane; at 0 - 20 ℃; stereoselective reaction;
DOI:10.1016/j.steroids.2009.08.001

Reference yield:

: 1778-02-5
Pregnenolone acetate

: 1207630-74-7
(5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene

Guidance literature:: Multi-step reaction with 6 steps

1: boron trifluoride diethyl etherate / methanol

2: potassium borohydride / methanol / 20 °C

3: aluminum oxide / Alkaline conditions; Microwave irradiation

4: triphenylphosphine; tetrachloromethane / Reflux

5: sodium azide / N,N-dimethyl-formamide / 90 °C

6: boron trifluoride diethyl etherate / dichloromethane / 6 h / 0 - 20 °C

With tetrachloromethane; aluminum oxide; sodium azide; potassium borohydride; boron trifluoride diethyl etherate; triphenylphosphine; In methanol; dichloromethane; N,N-dimethyl-formamide; 4: |Appel Halogenation;
DOI:10.1016/j.steroids.2014.05.009

Reference yield:

: 3β,21-diacetoxypregn-5-en-20β-ol

: 1207630-74-7
(5'R)-3β-acetoxy-17β-[2-(2-chlorophenyl)-phenyl-4,5-dihydrooxazol-5-yl]androst-5-ene

Guidance literature:: Multi-step reaction with 4 steps

1: aluminum oxide / Alkaline conditions; Microwave irradiation

2: triphenylphosphine; tetrachloromethane / Reflux

3: sodium azide / N,N-dimethyl-formamide / 90 °C

4: boron trifluoride diethyl etherate / dichloromethane / 6 h / 0 - 20 °C

With tetrachloromethane; aluminum oxide; sodium azide; boron trifluoride diethyl etherate; triphenylphosphine; In dichloromethane; N,N-dimethyl-formamide; 2: |Appel Halogenation;
DOI:10.1016/j.steroids.2014.05.009