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An alternative approach to amino porphyrins

✍ Scribed by Shi Weimin; Shen Qi; Wang Yucheng; Lan Lihong; Tao Jingchao


Publisher
Journal of Heterocyclic Chemistry
Year
2010
Tongue
English
Weight
118 KB
Volume
47
Category
Article
ISSN
0022-152X

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✦ Synopsis


Abstract

magnified image

Modified nitration of tetraphenylporphyrin at para of phenyl with HNO~3~/Cl~3~CCOOH and one‐pot nitration of free tetraarylporphyrins to metalized 2‐nitroporphyrin in high yield are described. A novel reducer of Zn/HCOONH~4~ has been developed for above nitro of porphyrin into amino effectively. J. Heterocyclic Chem., (2010).


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An Alternate Approach to Solitons for Fq
✍ Dinesh S. Thakur πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 170 KB

We describe an alternate approach to the solitons for F q [t] introduced by Anderson. The product of the monic polynomials in F q [t] of degree i in a given congruence class can be expressed in a compact form by the solitons ``for all i at once.'' They also link the arithmetic of F q [t] gamma value