Citation: Hai Yang Liu, Ling Chen, Fei Yam, Hai Ying Zhan, Xiao Ying, Xiang Li Wang, Huan Feng Jiang, Chi Kwong Chang. Reductive demetalation of manganese corroles:The substituent effect[J]. Chinese Chemical Letters, ;2008, 19(8): 1000-1003. doi: 10.1016/j.cclet.2008.05.025 shu

Reductive demetalation of manganese corroles:The substituent effect

a Department of Chemistry, South China. University of Technology, Guangzhou 510641, China;
b Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong, China;
c Department of Applied Physics, South China. University of Technology, Guangzhou 510641, China

Received Date: 25 February 2008

Fund Project: This work was supported by National Natural Science Foundation of China (Nos.20771039Research Grant Council of Hong Kong20572027)

The roducfive demetalafion of manganese corroles was investigated in CH₂Cl₂/HCl (aqueous) solvent by using SnCl₂as reducing agent.It was found that the demetalation yields depend on the substituents of corrole macrocycle significantly.Electronrich manganese corrole undergoes reductive demetalation more easily than electron-deficient ones.The isolated reductive demetalation yield of manganese 5,10,15-tris(phenyl)corrole in present system is moderate (46%).As for electron-deficient Mn(III) 5,10,15-tris(pentafluorophenyl)corrole, the acid-induced demetalation in HOAc-H₂SO₄(V/V=3:1) is preferable with an isolated yield of 67%.
- Corrole,
- Manganese,
- Demetalation
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