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One-Pot Synthesis of Substituted 2-Amino Isonicotinic Acids: Reminiscent of the Guareschi-Thorpe Condensation.

The Journal of organic chemistry

Jin X, Xing L, Deng DD, Yan J, Fu Y, Dong W.
PMID: 35007065
J Org Chem. 2022 Jan 10; doi: 10.1021/acs.joc.1c02483. Epub 2022 Jan 10.

This work describes a concise manner to make a wide variety of mono- or disubstituted 2-amino isonicotinic acids via the corresponding 2,4-dioxo-carboxylic acid ethyl esters and ethyl 3-amino-3-iminopropionate hydrochloride. The reaction likely proceeds through an

New manganese(II) azido coordination polymers with nicotinic/isonicotinic acids as coligands: synthesis, structure, and magnetic properties.

Inorganic chemistry

Yang Q, Zhao JP, Hu BW, Zhang XF, Bu XH.
PMID: 20329767
Inorg Chem. 2010 Apr 19;49(8):3746-51. doi: 10.1021/ic9021257.

The reactions of Mn(II) ions with azido ligands in the presence of nicotinic/isonicotinic acids gave two manganese(II) azido coordination polymers, [Mn(3)(L(1))(2)(N(3))(4)](n).nH(2)O (1) and [Mn(2)(L(2))(N(3))(3)](n) (2), where L(1) = nicotinate and L(2) = isonicotinate, with different topological structures. Complex 1...

Showing 1 to 2 of 2 entries