Ruthenium catalyst to carry out a cross coupling of an aryl amine with a phenyl boronate

Ruthenium-Catalyzed Carbon−Carbon Bond Formation via the Cleavage of an Unreactive Aryl Carbon−Nitrogen Bond in Aniline Derivatives with Organoboronates

Satoshi Ueno, Naoto Chatani, and FumitoshiKakiuchi

Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan, and Department of Applied Chemistry, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan

J. Am. Chem. Soc., 2007, 129 (19), pp 6098–6099

http://pubs.acs.org/doi/abs/10.1021/ja0713431

 Ueno, Chatani and Kakiuchi used a ruthenium catalyst to carry out a cross coupling of an aryl amine with a phenyl boronate. What is remarkable is the fact that the transition metal did oxidative addition to an aryl-nitrogen bond

http://pubs.acs.org/doi/abs/10.1021/ja0713431

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Source of anticancer agents---Broccoli

Broccoli as a source of anticancer agents

Most of the people are aware of healthy benefits of broccoli but the active constituents which makes broccoli to possess anticancer property may not be well known., The anticancer effect of Selenium (Se)-enriched broccoli will be highlighted according to the work done by researcher from Gunma University, Japan (Abdulah, et al.).

As a member of Se-accumulator Brassica family, broccoli accumulates Se-methylselenocysteine as the major Se compound when it is germinated in Se-enriched media. Therefore, Se-enriched broccoli accumulates two active anticancer agents: sulforaphane and Se-methylselenocysteine. The anticancer property of Sulforaphane, belonging to isothiocyanates and Se-methylselenocysteine has already been reported (Nishikawa, et. al, and Kim et. al. respectively).

Recently, broccoli sprouts have received considerable attention, because they contain ten times more sulforaphane than broccoli florets. Many studies have shown that both cruciferous vegetables and selenium may reduce the incidence of prostate cancer. 

References

1. Abdulah, R., Faried, A., Kobayashi, K., Yamazaki, C., Suradji, E. W., Ito, K., Suzuki, K., Murakami, M., Kuwano, H., Koyama, H. BMC Cancer, 2009, 9, 414.
2. Kim, T., Jung, U., Cho, D. Y., Chung, A.-S. Carcinogenesis, 2001, 22, 4, 559-565.
3. Nishikawa, T., Tsuno, N. H., Tsuchiya, T., Yoneyama, S., Yamada, J., Shuno, Y., Okaji, Y., Tanaka, J., Kitayama, J., Takahashi, K., Nagawa, H. Ann Surg Oncol. 2009, 16, 534–543.

A Review on some Indian Medicinal Plants for Antiulcer Activity

A REVIEW ON SOME INDIAN MEDICINAL PLANTS FOR ANTIULCER ACTIVITy

Shristi Badhani1*, Neha Jasrotia, Indu Sharma, Bharat Parashar, Rajesh Gupta

shristibadhani0104@gmail.com

http://www.jsrponline.com/index.php?option=com_mtree&task=viewlink&link_id=74&Itemid=0
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World Chemistry Departments

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CHITIN AND CHITOSAN

IOSR Journal of Pharmacy and Biological Sciences (IOSRJPBS)
ISSN : 2278-3008 Volume 1, Issue 1 (May-June 2012), PP 01-06



http://iosrjournals.org/journals/iosr-jpbs/papers/vol1-issue1/1/A0110106.pdf
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