1/13/2015  TCI NEWS

We distribute TCI NEWS every four weeks, to our valued customers using research chemicals and chromatography products.
We hope that you find this helpful for your research.

Editor’s Greetings

Happy New Year!

Thank you for providing us the opportunity to serve you! We wish you great joy, success and prosperity in 2015.

Thanks to our extensive worldwide network of distributors, especially those in the Asia-Pacific region, TCI was able to serve a great many researchers in 2014. With their help, we will do our best to continue providing high quality products to our valuable clients.

As the new year gets underway, many professors and students will be starting a new term and beginning new research. TCI would be happy to assist you in these new endeavors! Information on our latest products is updated every week on our website.

We appreciate your loyal support and look forward to seeing you at conferences, exhibitions and other international events!

Sincerely yours,

Event Report

RACI
Thank you for visiting the booth at the RACI National Congress held in Adelaide, Australia last December!

Click here to see pictures from the event.

[NEW] Pamphlet - Aryne / Heteroaryne Precursors

Aryne
Aryne compounds, represented by benzyne, are highly reactive chemical species. Arynes are widely used as useful intermediates in various applications, such as the synthesis of heterocyclic compounds / natural compounds, or click chemistry.

• Lists Aryne precursors, such as benzynes and pyridynes.
• Contains an Overview and Application examples.
• Applications and related information for each product are also listed on our website.

Synthetic Organic Chemistry

Research Article

Aerobic Photooxidative Carbon–Carbon Bond Formation between Tertiary Amines and Carbon Nucleophiles

Itoh et al. have reported the aerobic photooxidative carbon–carbon bond formation between tertiary amines and carbon nucleophiles. According to their results, in the presence of molecular oxygen and 2-chloroanthraquinone catalyst, 2-aryl-1,2,3,4-tetrahydroisoquinoline reacts with carbon nucleophiles such as nitroalkanes to form a carbon–carbon bond by the visible-light irradiation promoted radical process. This reaction can be expected to be an environmentally-friendly catalytic oxidation method because it uses an organic photocatalyst with molecular oxygen as the terminal oxidant and visible light from a general-purpose fluorescent lamp.
C0123

References

T. Yamaguchi, T. Nobuta, N. Tada, T. Miura, T. Nakayama, B. Uno, A. Itoh, Synlett 2014, 25, 1453.

Product Highlight

Difluorocarbene Precursor for Difluoromethylation

Diethyl (Bromodifluoromethyl)phosphonate is a difluorocarbene precursor. The P-C bond can be hydrolyzed by KOH at -78 °C to room temperature to generate difluorocarbene (:CF2). When using phenols as substrates, the corresponding difluoromethyl ethers can be obtained via difluoromethylation in good yields. This reaction proceeds under very mild conditions, thus, even phenols bearing enolizable groups can be difluoromethylated at their phenolic hydroxy groups.
D3071

References

Y. Zafrani, G. Sod-Moriah, Y. Segall, Tetrahedron 2009, 65, 5278.

New Products

Bioscience

New Products

Chromatography -Analysis of Adenosine phophates (AMP, cAMP, ADP, ATP) by TCI Dual series

TCIDUal
TCI Dual series can analyze hydrophilic compounds without any of the ion-pair reagents that are required for ODS columns, because the TCI Dual series consists of both ODS ligands and Ion-exchange ligands.
This application is also suitable for LC/MS by using volatile buffers.

TCI Catalogs & Product Brochures

websitetip
TCI has a wide variety of specific catalogs and product brochures. Most of them are available in PDF format and can be downloaded from our website.
Please click the following links to pick up the catalogs and brochures you are interested in:

TCI Website Tips

Reagent Guide Online –Product Information Page in TCI Website

TCI Reagent Guides, product catalogs by category, are very useful as references for finding reagents. Did you know that Reagent Guides are also available online at our website?
Simply click the “Products” tab, and you can navigate our product information by category easily.

Additionally, there are many features that are specific to the online version;
-New products not included in the Reagent Guide are added every day.
-Product categories not included in the Reagent Guides are available, and new categories are updated regularly.

Please try the following product categories to find your chemicals!

Other Information

TCI Facebook Page

logo Various chemistry related information, news, and fun content are posted for you.  Visit us and like us on Facebook!

https://www.facebook.com/TCIchemicals

How to Order TCI Products

For order, please contact our local distributors as follow.

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Please visit each country/region's website from the following links and confirm the prices.


http://www.tcichemicals.com

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