Tetrahedron

Facile synthesis of 2-azaazulenes from thiobenzoyl isocyanates using trimethylsilyldiazomethane

M Morita, Y Hari, T Iguchi, T Aoyama

Index: Morita, Mikio; Hari, Yoshiyuki; Iguchi, Tomoe; Aoyama, Toyohiko Tetrahedron, 2008 , vol. 64, # 8 p. 1753 - 1758

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Abstract

Our interest in trimethylsilyldiazomethane (TMSCHN 2 ) as a synthetic reagent originated from the hazardous nature of diazomethane (CH 2 N 2 ), which has been widely used in various organic reactions. 1, 1a, 1b, 1c and 1d TMSCHN 2 is stable and safe in contrast to labile and explosive diazomethane. We have already demonstrated that TMSCHN 2 can be effectively used not only as a C1-unit introducing reagent and a [C–N–N]azole synthon in place of diazomethane ...

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