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Facile synthesis of gold nanoribbons by L-cysteine at room temperature

✍ Scribed by Huang, Lan ;Zhang, Yu ;Guo, ZhiRui ;Gu, Ning

Book ID
107368873
Publisher
Elsevier
Year
2009
Tongue
English
Weight
517 KB
Volume
54
Category
Article
ISSN
2095-9273

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## Abstract magnified image Amidosulfonic acid NH~2~–SO~3~H catalyzed direct condensations of __o__‐phenylenediamines with α‐diketones at room temperature in organic solvents to afford quinoxalines in excellent yields. The amidosulfonic acid as a solid acid catalyst in this preparation was efficie