(2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one

Base Information

• Chemical Name: (2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one
• CAS No.: 323578-18-3
• Molecular Formula: C₁₈H₂₂F₂O₃
• Molecular Weight: 324.368
• Mol file: 323578-18-3.mol

Synonyms:(2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one

Chemical Property of (2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one

There total 1 articles about (2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-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: 44.0%

(2R,5R)-2-(t-butyl)-5-[(1S)-3-oxocyclopentyl]-5-phenyl-1,3-dioxolan-4-one (203321-54-4) → (2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one (323578-18-3)

Guidance literature:

With diethylamino-sulfur trifluoride; In chloroform; for 60h; Heating;

DOI:10.1021/jm0003135

Reference yield: 92.0%

(2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one (323578-18-3) → (2R)-[(1S)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetic acid (203321-58-8)

Guidance literature:

With sodium hydroxide; In methanol; at 20 ℃; for 16h;

DOI:10.1021/jm0003135

Reference yield:

(2R,5R)-2-tert-butyl-5-[(1S)-3,3-difluorocyclopentyl]-5-phenyl-1,3-dioxolan-4-one (323578-18-3) → (2R)-N-[1-(4-methyl-3-pentenyl)piperidin-4-yl]-2-[(1S)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetamide

Guidance literature:

Multi-step reaction with 2 steps

1: 92 percent / 3 N aq. NaOH / methanol / 16 h / 20 °C

2: 73 percent / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide / CHCl₃ / 14 h / 20 °C

With sodium hydroxide; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; In methanol; chloroform;

DOI:10.1021/jm0003135

upstream raw materials:

(2R,5R)-2-(t-butyl)-5-[(1S)-3-oxocyclopentyl]-5-phenyl-1,3-dioxolan-4-one

Downstream raw materials:

(2R)-[(1S)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetic acid