Synthesis

Preparation and application of 1, 3, 4-triphenyl-4, 5-dihydro-1H-1, 2, 4-triazol-5-ylidene, a stable carbene

D Enders, K Breuer, U Kallfass, T Balensiefer

Index: Enders, Dieter; Breuer, Klaus; Kallfass, Ulrike; Balensiefer, Tim Synthesis, 2003 , # 8 p. 1292 - 1295

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Citation Number: 53

Abstract

Abstract The title compound 1, 3, 4-triphenyl-4, 5-dihydro-1H-1, 2, 4-triazol-5-ylidene has been prepared in quantitative yield from the corresponding 5-methoxytriazoline precursor by simple thermal decomposition in vacuo via α-elimination of methanol. The carbene is a stable solid in the absence of oxygen and moisture, and shows the typical reactivity of nucleophilic Wanzlick-type carbenes.

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Preparation and application of 1, 3, 4-triphenyl-4, 5-dihydro-1H-1, 2, 4-triazol-5-ylidene, a stable carbene

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