(S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate

Base Information

• Chemical Name: (S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate
• CAS No.: 1428878-34-5
• Molecular Formula: C₂₈H₃₆N₂O₆S
• Molecular Weight: 528.67
• Mol file: 1428878-34-5.mol

Synonyms:(S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate

Chemical Property of (S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate

There total 6 articles about (S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)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: 80.0%

(S)-tert-butyl 2-((5-(6-hydroxyhex-1-ynyl)-2-methylpyridin-3-yloxy) methyl)azetidine-1-carboxylate (1428878-24-3) + p-toluenesulfonyl chloride (98-59-9) → (S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate (1428878-34-5)

Guidance literature:

With dmap; triethylamine; In dichloromethane; at 0 - 20 ℃; Inert atmosphere;

DOI:10.1021/jm4000374

Reference yield: 34.0%

(S)-tert-butyl 2-((5-(6-hydroxyhex-1-ynyl)-2-methylpyridin-3-yloxy) methyl)azetidine-1-carboxylate (1428878-24-3) + p-toluenesulfonyl chloride (98-59-9) → (S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate (1428878-34-5) + (S)-tert-butyl 2-((5-(6-chlorohex-1-ynyl)-2-methylpyridin-3-yloxy)methyl)azetidine-1-carboxylate (1428878-35-6)

Guidance literature:

With pyridine; at 0 - 20 ℃; for 3h; Inert atmosphere;

Reference yield:

(S)-tert-butyl 2-((5-bromo-2-methylpyridin-3-yloxy)methyl)azetidine-1-carboxylate (1428878-16-3) → (S)-tert-butyl 2-(((2-methyl-5-(6-(tosyloxy)hex-1-ynyl)pyridin-3-yl)oxy)methyl)azetidine-1-carboxylate (1428878-34-5)

Guidance literature:

Multi-step reaction with 2 steps

1: triphenylphosphine; bis(triphenylphosphine)palladium(II) dichloride; copper(l) iodide; triethylamine / dimethyl sulfoxide / 60 h / 95 °C / Inert atmosphere; Sealed tube

2: triethylamine; dmap / dichloromethane / 0 - 20 °C / Inert atmosphere

With dmap; copper(l) iodide; bis(triphenylphosphine)palladium(II) dichloride; triethylamine; triphenylphosphine; In dichloromethane; dimethyl sulfoxide; 1: |Sonogashira Cross-Coupling;

DOI:10.1021/jm4000374

upstream raw materials:

(S)-tert-butyl 2-((5-(6-hydroxyhex-1-ynyl)-2-methylpyridin-3-yloxy) methyl)azetidine-1-carboxylate

p-toluenesulfonyl chloride

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

2-methyl-3-hydroxy-5-bromopyridine