C₂₁H₂₈O₇S

Base Information

• Chemical Name: C₂₁H₂₈O₇S
• CAS No.: 1349725-07-0
• Molecular Formula: C₂₁H₂₈O₇S
• Molecular Weight: 424.515
• Mol file: 1349725-07-0.mol

Synonyms:

Chemical Property of C₂₁H₂₈O₇S

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of C₂₁H₂₈O₇S

There total 6 articles about C₂₁H₂₈O₇S 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:

C14H20O3 (831228-09-2) → C21H28O7S (1349725-07-0)

Guidance literature:

Multi-step reaction with 2 steps

1: AD-mix α; methanesulfonamide / water; tert-butyl alcohol / 24 h / 0 °C

2: pyridine; dmap / 0 °C

With pyridine; dmap; methanesulfonamide; AD-mix α; In water; tert-butyl alcohol; 1: Sharpless dihydroxylation;

DOI:10.1002/asia.201100429

Reference yield:

C16H22O4 (213692-93-4) → C21H28O7S (1349725-07-0)

Guidance literature:

Multi-step reaction with 3 steps

1: diisobutylaluminium hydride / dichloromethane; toluene / 1 h / -78 °C

2: AD-mix α; methanesulfonamide / water; tert-butyl alcohol / 24 h / 0 °C

3: pyridine; dmap / 0 °C

With pyridine; dmap; methanesulfonamide; AD-mix α; diisobutylaluminium hydride; In dichloromethane; water; toluene; tert-butyl alcohol; 2: Sharpless dihydroxylation;

DOI:10.1002/asia.201100429

Reference yield:

p-methoxybenzyl chloride (824-94-2) → C21H28O7S (1349725-07-0)

Guidance literature:

Multi-step reaction with 6 steps

1.1: potassium hydroxide / dimethyl sulfoxide / 2 h / 0 °C

2.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 0.5 h / -78 °C

2.2: 20 °C

3.1: toluene / 5 h / 20 °C

4.1: diisobutylaluminium hydride / dichloromethane; toluene / 1 h / -78 °C

5.1: AD-mix α; methanesulfonamide / water; tert-butyl alcohol / 24 h / 0 °C

6.1: pyridine; dmap / 0 °C

With pyridine; dmap; oxalyl dichloride; methanesulfonamide; AD-mix α; diisobutylaluminium hydride; dimethyl sulfoxide; potassium hydroxide; In dichloromethane; water; dimethyl sulfoxide; toluene; tert-butyl alcohol; 2.1: Swern oxidation / 2.2: Swern oxidation / 3.1: Wittig reaction / 5.1: Sharpless dihydroxylation;

DOI:10.1002/asia.201100429

upstream raw materials:

C₁₆H₂₂O₄

C₁₄H₂₀O₃

p-methoxybenzyl chloride

p-toluenesulfonyl chloride

Downstream raw materials:

C₁₄H₂₀O₄

C₂₀H₃₄O₄Si

C₂₀H₃₄O₃Si

C₂₁H₃₆O₄Si