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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 33, Number 5
JKCSEZ 33(5)
October 20, 1989

Title	Oxygen-atom Transfer of Bis(diethyldithiocarbamato)dioxomolybdenum (Ⅵ) with Triphenylphosphine in 1,2-Dichloroethane 1,2-디글로로에탄에서 트리페닐포스핀과 비스(디에틸디티오카바마토) 디옥소몰리브덴 (Ⅵ) 의 산소이동 반응
Author	Chang-Su Kim, Se-June Song, Chang-Eon Oh 김창수, 송세준, 오창언
Keywords
Abstract	1,2-디클로로에탄에서 [MoO2(S2CNEt2)2]와 트리페닐포스핀과의 산소이동 반응에 대한 속도를 분광학적인 방법으로 측정하였다. 이 때 시간에 따라 흡광도가 증가하였다가 감소하였는데, 흡광도가 증가되는 단계는 중간체인 [Mo2O3(S2CNEt2)4]의 생성 때문이고, 흡광도가 감소되는 단계는 이 생성물이 환원되는 과정이다. 제 1단계에서는 효소반응 메카니즘이, 그리고 제 2단계에서는 중간체인 μ-옥소몰리브덴(Ⅴ) 이합체가 감소되는 반응과 관련된 메카니즘이 제시된다. The rates of the reaction of [MoO2(S2CNEt2)2] with triphenylphosphine in 1,2-dichloroethane have been determined by the spectrophotometric method. The increase in the initial absorbance has been interpreted as a result of the production of [Mo2O3(S2CNEt2)4] and the decrease in absorbance then corresponds to the reduction of [M2O3(S2CNEt2)4]. The data suggest mechanisms involving the enzymatic reaction in the first stage and the decay of intermediate, μ-oxo molybdenum (Ⅴ) dimer in the second stage.
Page	477 - 483
Full Text	PDF

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