02/03/2014  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.

TCI Chemistry Café and Seminar

TCIcafe


TCI will open TCI Chemistry Café and Seminar at NTU and NUS on Feb. 10 and 11, 2014!!

We are looking forward to meeting with you there.


» Click here for the event details

"Water Bottle" Campaign in March

Present Campaign


Order more than 3 products per one order, and get 1 free foldable water bottle!

Campaign Period: March 1 to April 15, 2014

Please contact our distibutor Tee Hai for more details.

[NEW] TCIMAIL No.160 - Paper Magazine

In the TCIMAIL, we mainly introduce our new reagents in the fields of Synthetic Organic Chemistry, Materials Chemistry, Bioscience and Analytical Science.  Examples of application and use are explained in an easy way to understand, using various schemes and charts.  The TCIMAIL also contains technical papers contributed by leading professors and scientists.

TCIMAIL No.160 January 2014

TCI Mail No.160
Research Articles
Innovative Molecular Design of Chiral 1,1′-Binaphthyl 2,2′-Disulfonic Acid (BINSA)
Manabu Hatano, Associate Professor,
Keisuke Nishikawa, Postdoctoral fellow,
Kazuaki Ishihara, Professor,
Graduate School of Engineering, Nagoya University

Chemistry Chat
Focusing on the Elements - Colors and Chemical Names (1)
Kentaro Sato
Visit to a School Science Lab - Visit to a Science Club: Chemistry Club at Shibuya Kyoiku Gakuen Makuhari Junior and Senior High School

Applications
- Short Topic: More ways to use | Organic Syntheses Utilizing the Chemical Properties of Chlorosulfonyl Isocyanate
- Pincer Type Rh Complex Catalyzed Asymmetric Diboration of Terminal Alkenes and Their Conversion to the Optically Active 1,2-Diols
- GABA Receptor Antagonist
- Bone Resorption Inhibitor

Synthetic Organic Chemistry

Research Article

AZADO Catalyzed One-Pot Oxidative Cleavage of Vicinal Diols to (Di)Carboxylic Acids

Iwabuchi et al. have reported an oxidative cleavage of vicinal diols to their (di)carboxylic acids with catalytic amounts of AZADO and stoichiometric amounts of PhI(OAc)2 under mild and transition metal free conditions.1) In this reaction, several nitroxy radicals are used as a catalyst revealing that AZADO shows higher reactivity.  AZADOL®, the corresponding hydroxylamine of AZADO, shows the same performance as AZADO in this reaction, because a preceding reaction mechanism converts AZADOL® in the presence of oxidants to AZADO.  Recently, Iwabuchi has reported a review on AZADO for oxidation of alcohols.2)
H1404

References

1) M. Shibuya, T. Shibuta, H. Fukuda, Y. Iwabuchi, Org. Lett. 2012, 14, 5010.
2) Y. Iwabuchi, Chem. Pharm. Bull 2013, 61, 1197.

    AZADOL® is a registered trademark of Nissan Chemical Industries, LTD.

New Products

Bioscience

A Plant Hormone Bearing the Name "Trauma"

Traumatic acid (1) was isolated from green string-beans as a substance eliciting renewed growth activity in the parenchyma cells of the wounded bean mesocarp.  It has been also reported that 1 in washed discs of a potato tuber provokes wound periderm formation consisting of protective tissues beneath injured surfaces. 1, a wound hormone in plant, has been named after Greek "τραúμα" (trauma) by A. J. Haagen-Smit et. al.1) 1 is biosynthesized from linolenic acid through multiple oxidations by enzymes etc.2,3)
D0029

References

1) J. English Jr., J. Bonner, A. J. Haagen-Smit, Science 1939, 90, 329.
2) D. C. Zimmerman, C. A. Coudron, Plant Physiol. 1979, 63, 536.
3) P. Gantet, N. Imbault, M. Thiersault, P. Doireau, Plant Cell Physiol. 1998, 39, 220.

New Products

Chromatography

HPLC Mixed-Mode columns “TCI Dual”

•Hydrophilic compounds can be retained on mix-mode columns
•Hydrophobic compounds also can be retained
•No ion-pair reagent is required

Target compound is basic : Choose ODS + Cation-Exchange Type
  TCI Dual ODS-CX10 / TCI Dual ODS-CX15 / TCI Dual ODS-CX20
Target compound is acidic : Choose ODS + Anion-Exchange Type
  TCI Dual ODS-AX20 / TCI Dual ODS-AX10 / Kaseisorb LC ODS-SAX Super
TCI Dual

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