Synthesis of Organic Carbonates with Alkyl/aryl 4,5-dichloro-6-oxopyridazine-1(6H)- carboxylates and ROH/AlCl3 under Ambient Condition 


Vol. 35,  No. 9, pp. 2758-2764, Sep.  2014
10.5012/bkcs.2014.35.9.2758


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  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.

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  Cite this article

[IEEE Style]

G. H. Sung, B. R. Kim, K. E. Ryu, J. Kim, Y. Yoon, "Synthesis of Organic Carbonates with Alkyl/aryl 4,5-dichloro-6-oxopyridazine-1(6H)- carboxylates and ROH/AlCl3 under Ambient Condition," Bulletin of the Korean Chemical Society, vol. 35, no. 9, pp. 2758-2764, 2014. DOI: 10.5012/bkcs.2014.35.9.2758.

[ACM Style]

Gi Hyeon Sung, Bo Ram Kim, Ki Eun Ryu, Jeum-Jong Kim, and Yong-Jin Yoon. 2014. Synthesis of Organic Carbonates with Alkyl/aryl 4,5-dichloro-6-oxopyridazine-1(6H)- carboxylates and ROH/AlCl3 under Ambient Condition. Bulletin of the Korean Chemical Society, 35, 9, (2014), 2758-2764. DOI: 10.5012/bkcs.2014.35.9.2758.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949