Tetrahedron Letters

Sodium nitrite (NaNO 2) catalysed iodo-cyclisation of alkenes and alkynes using molecular oxygen

H Liu, Y Pan, CH Tan

Index: Liu, Hongjun; Pan, Yuanhang; Tan, Choon-Hong Tetrahedron Letters, 2008 , vol. 49, # 28 p. 4424 - 4426

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Citation Number: 7

Abstract

We have developed a convenient iodo-cyclisation reaction using NaNO2 as catalyst and molecular oxygen as the terminal oxidant. The reactive species, acetyl hypoiodite (IOAc), was generated in situ from TBAI and AcOH. The iodo-cyclisation reaction with a range of