Heptakis(2,3-diMethyl)-β-cyclodextrin

Base Information

• Chemical Name: Heptakis(2,3-diMethyl)-β-cyclodextrin
• CAS No.: 123155-05-5
• Molecular Formula: C56H98O35
• Molecular Weight: 1331.35632
• Mol file: 123155-05-5.mol

Synonyms:Heptakis(2,3-diMethyl)-β-cyclodextrin;2,3-DiMethyl-β-cyclodextrin;Heptakis(2,3-di-O-Methyl)-β-cyclodextrin

Chemical Property of Heptakis(2,3-diMethyl)-β-cyclodextrin

Chemical Property:

• Melting Point: 160-166 °C
• Boiling Point: 1155.7±65.0 °C(Predicted)
• PKA: 13.28±0.10(Predicted)
• PSA: 400.05000
• Density: 1.40±0.1 g/cm3(Predicted)
• LogP: -6.07320
• Storage Temp.: Refrigerator
• Solubility.: Chloroform (Slightly), DMSO (Slightly)

Purity/Quality:

97% ^*data from raw suppliers

2,3-Dimethyl-b-cyclodextrin ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: β-Cyclodextrin derivative which removed cholesterol from cells, reducing its toxicity.

Technology Process of Heptakis(2,3-diMethyl)-β-cyclodextrin

There total 3 articles about Heptakis(2,3-diMethyl)-β-cyclodextrin 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: 96.0%

per(2,3-di-O-methyl-6-O-triphenylmethyl)-β-cyclodextrin → heptakis(2,3-di-O-methyl)cyclomaltoheptaose (123155-05-5)

Guidance literature:

With tetrafluoroboric acid; In methanol; dichloromethane; water; for 3.5h; pH=Ca. 2;

DOI:10.1021/ol300358u

Reference yield: 95.0%

heptakis(6-O-tert-butyldimethylsilyl-2,3-di-O-methyl)cyclomaltoheptaose (123155-04-4) → heptakis(2,3-di-O-methyl)cyclomaltoheptaose (123155-05-5)

Guidance literature:

With ammonium fluoride; In methanol; for 24h; Heating;

DOI:10.1021/jo00061a035

Reference yield:

heptakis(6-O-tert-butyldimethylsilyl-2,3-di-O-methyl)-β-CD → heptakis(2,3-di-O-methyl)cyclomaltoheptaose (123155-05-5)

Guidance literature:

With ammonium fluoride; In methanol;

DOI:10.1016/j.molcata.2009.11.015

upstream raw materials:

heptakis(6-O-tert-butyldimethylsilyl-2,3-di-O-methyl)cyclomaltoheptaose

Downstream raw materials:

heptakis(2,3-di-O-methyl)-6^I-O-p-tolylsulfonyl-cyclomaltoheptaose

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