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Journal Article Synthesis of Organic Carbonates with Alkyl/aryl 4,5-Dichloro-6-Oxopyridazine-1(6H)-Carboxylates and ROH/AlCl3 under Ambient Condition
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Authors
Gi Hyeon Sung, Bo Ram Kim, Ki Eun Ryu, Jeum-Jong Kim, Yong-Jin Yoon
Issue Date
2014-11
Citation
Bulletin of the Korean Chemical Society, v.35, no.9, pp.2758-2764
ISSN
0253-2964
Publisher
대한화학회 (KCS)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.5012/bkcs.2014.35.9.2758
Project Code
14ZC2100, 지능형 그린하우스 개발, Moon Ae Kyeung
Abstract
We demonstrated the synthesis of organic carbonates using alkyl/aryl 4,5-dichloro-6-oxopyridazine-1(6H)-carboxylates and alcohol in the presence of aluminum chloride. Alkyl/aryl 4,5-dichloro-6-oxopyridazine-1(6H)-carboxylates were reacted with alcohol in the presence of AlCl3 in toluene at room temperature to afford the corresponding unsymmetric and symmetric organic carbonates in good to excellent yields. These are efficient and convenient processes. Alkyl/aryl 4,5-dichloro-6-oxopyridazine-1(6H)-carboxylates are solid, stable and non-toxic CO2/CO2R(Ar) source. It is noteworthy that the reaction is carry out under an ambient and acidic conditions, the easy-to prepare and readily available starting materials and the quantitative isolation of reusable 4,5-dichloropyridazin-3(2H)-one.
KSP Keywords
Acidic conditions, Carry out, Organic carbonates, Room-temperature, aluminum chloride, ambient conditions, non-toxic