Patent ID: 7479570
Filing Date: 2009-01-20
Classification: B01J,C07C

Abstract:
1. A reducing process of carbon dioxide, comprising mixing carbon dioxide and water with an organometallic complex represented by general formula (1) so as to reduce carbon dioxide so that formic acid or alkali salt thereof is formed, where R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 independently represent a hydrogen atom or a lower alkyl group, M represents an element that can be coordinated to the benzene ring, X 1 and X 2 represent nitrogen-containing ligands, X 3 represents a hydrogen atom, a carboxylic acid residue, or H 2 O, X 1 and X 2 may be bonded to each other, Y represents an anion species, K represents a valency of a cation species, L represents a valency of an anion species, K and L independently represent 1 or 2, and K, m, L, and n are related to one another by K×m=L×n.