FACTOR F430-LIKE CATALYSIS OF NI(TMTAA) (TMTAA = DIANION OF 6,8,15,17-TETRAMETHYL-5,14-DIHYDRODIBENZO[B,I][1,4,8,11]TETRAAZACYCLOTETRADECINE) FOR REDUCTIVE DEHALOGENATION OF ALKYL-HALIDES

被引：25

作者：

ARAI, T ^{[1
]}

KASHITANI, K ^{[1
]}

KONDO, H ^{[1
]}

SAKAKI, S ^{[1
]}

机构：

[1] KUMAMOTO UNIV, FAC ENGN, DEPT APPL CHEM, KUMAMOTO 860, JAPAN

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1994年 / 67卷 / 03期

关键词：

D O I：

10.1246/bcsj.67.705

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ni(tmtaa) efficiently catalyzes the reductive dehalogenation of alkyl halide. yielding alkane with either NaBH4 or NaBH(OMe)3 under mild condition. This system is considered to be a model of factor F430, the active center of the methyl coenzyme M reductase. Deuterium incorporation into the alkane suggests that the reaction involves not only an electron transfer, but also the nucleophilic substitution of a halide. The ESR spectrum of Ni(tmtaa)/NaBH4 shows the formation of the Nil species. which is probably a catalytic-active species.

引用

页码：705 / 709

页数：5

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