(S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate

Base Information

• Chemical Name: (S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate
• CAS No.: 1434047-84-3
• Molecular Formula: C₂₃H₂₅FN₂O₄
• Molecular Weight: 412.461
• Mol file: 1434047-84-3.mol

Synonyms:(S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate

Chemical Property of (S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate

There total 6 articles about (S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate 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: 37.0%

→ (S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate (1434047-84-3)

Guidance literature:

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine; triphenylphosphine; In toluene; at 20 - 80 ℃; for 18h; Inert atmosphere;

With water; potassium hydroxide; In methanol; toluene; at 25 ℃; for 3h;

In methanol; toluene; at 80 ℃; for 16h;

Reference yield:

5-bromopyridine-3-ol (74115-13-2) → (S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate (1434047-84-3)

Guidance literature:

Multi-step reaction with 4 steps

1: triphenylphosphine / tetrahydrofuran; toluene / 48 h / -10 - 20 °C / Inert atmosphere

2: triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine / toluene / 18 h / 20 - 80 °C / Inert atmosphere

3: potassium hydroxide / methanol; water / 16 h / 25 °C

4: triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine / toluene / 16 h / 25 °C

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine; triphenylphosphine; potassium hydroxide; In tetrahydrofuran; methanol; water; toluene; 1: |Mitsunobu Displacement / 2: |Sonogashira Cross-Coupling / 4: |Sonogashira Cross-Coupling;

DOI:10.1021/jm4008455

Reference yield:

(S)-tert-butyl 2-((5-ethynylpyridin-3-yloxy)methyl)azetidine-1-carboxylate (1222139-46-9) + 1-fluoro-3-iodo-5-methoxybenzene (1167056-58-7) → (S)-tert-butyl 2-((5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate (1434047-84-3)

Guidance literature:

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine; triphenylphosphine; In toluene; at 25 ℃; for 16h;

DOI:10.1021/jm4008455

upstream raw materials:

(S)-2-(5-bromo-pyridin-3-yloxymethyl)-azetidine-1-carboxylic acid tert-butyl ester

(S)-tert-butyl 2-((5-((trimethylsilyl)ethynyl)pyridin-3-yloxy)methyl)azetidine-1-carboxylate

(S)-tert-butyl 2-((5-ethynylpyridin-3-yloxy)methyl)azetidine-1-carboxylate

1-fluoro-3-iodo-5-methoxybenzene

Downstream raw materials:

(S)-3-(azetidin-2-ylmethoxy)-5-((3-fluoro-5-methoxyphenyl)ethynyl)pyridine