Direct conversion of cyclohexane into adipic acid with molecular oxygen catalyzed by N-hydroxyphthalimide combined with Mn (acac) 2 and Co (OAc) 2

T Iwahama, K Syojyo, S Sakaguchi…

Index: Iwahama, Takahiro; Syojyo, Kouichi; Sakaguchi, Satoshi; Ishii, Yasutaka Organic Process Research and Development, 1998 , vol. 2, # 4 p. 255 - 260

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Citation Number: 93

Abstract

Direct conversion of cyclohexane into adipic acid was achieved by the use of the radical catalyst, N-hydroxyphthalimide (NHPI), in the presence of a small amount of a transition metal. For instance, cyclohexane could be converted into adipic acid in 73% selectivity at 73% conversion under atmospheric oxygen (1 atm) in the presence of NHPI (10 mol%) and Mn (acac) 2 (1 mol%) at 100° C for 20 h. ESR measurements show that the formation of ...

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