(4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one

Base Information

• Chemical Name: (4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one
• CAS No.: 894790-92-2
• Molecular Formula: C₂₂H₂₀F₇NO₂
• Molecular Weight: 463.395
• Mol file: 894790-92-2.mol

Synonyms:(4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one

Chemical Property of (4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one

There total 5 articles about (4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one 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: 64.0%

C29H26F7NO4S (894790-90-0) → (4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one (894790-92-2)

Guidance literature:

In tetrahydrofuran; water; at 100 ℃; microwave irradiation;

DOI:10.1016/j.bmcl.2006.02.080

Reference yield:

(7R,8S)-8-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-7-(4-fluoro-phenyl)-1,4-dioxa-spiro[4.5]decane (894790-85-3) → (4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one (894790-92-2)

Guidance literature:

Multi-step reaction with 2 steps

1: aq. TFA / CH₂Cl₂

2: NaN₃; TiCl₄ / acetonitrile / Heating

With sodium azide; titanium tetrachloride; trifluoroacetic acid; In dichloromethane; acetonitrile; 2: Schmidt reaction;

DOI:10.1016/j.bmcl.2006.02.080

Reference yield:

(3R,4S)-4-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-3-(4-fluoro-phenyl)-cyclohexanone (894790-87-5) → (4R,5S)-5-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-4-(4-fluoro-phenyl)-azepan-2-one (894790-92-2)

Guidance literature:

Multi-step reaction with 3 steps

1: NH₂OH*HCl; aq. NaOH / ethanol / Heating

2: DMAP / CH₂Cl₂

3: 64 percent / tetrahydrofuran; H₂O / 100 °C / microwave irradiation

With dmap; sodium hydroxide; hydroxylamine hydrochloride; In tetrahydrofuran; ethanol; dichloromethane; water; 3: Beckmann rearrangement;

DOI:10.1016/j.bmcl.2006.02.080

upstream raw materials:

(3R,4S)-4-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-3-(4-fluoro-phenyl)-cyclohexanone

C₂₉H₂₆F₇NO₄S

(7R,8S)-8-[(R)-1-(3,5-Bis-trifluoromethyl-phenyl)-ethoxy]-7-(4-fluoro-phenyl)-1,4-dioxa-spiro[4.5]decane